PET is commonly used in food packaging due to its strong barrier properties against water vapor, dilute acids, gases, oils and alcohols. When properly recycled, it can be used for insulation sheets, clothes hangers, and park benches. For the highest-quality, least expensive PVC pipe and fittings available, check out our online store! Countless other plastics, polymers, and variation exist, but you should now know what makes each stand out! HDPE (High-Density Polyethylene) HDPE plastic is the stiff plastic used to make milk jugs, detergent … PET is also shatter-resistant, slightly flexible and easy to recycle. The recycling rate of plastics is actually quite low — in 2017, only 8.4% of plastic material generated in the U.S. was recycled. Plastic is an essential component of many items, including water bottles, combs, and beverage containers. It also has a high melting point, which differentiates it from polye… In addition to the applications listed in the introduction, PVC is used for home siding and gutters, skiing equipment, medical tubing, and much more. For best results, Alpha Packaging recommends that our customers always test their product in actual bottles to ensure compatibility. It is unusually resistant to many chemical solvents, bases and acids. PVC is an extremely versatile material which is most commonly used for piping because of its inexpensive production and high mechanical strength. When curious people do an online search for "PVC vs Plastic," what they should really be searching for is "PVC and other plastics compared," so that is what I will do. It lends itself particularly well to blow molding. This kind of variety makes it a better choice for those with different storing needs. Many people don't realize that PVC, or polyvinyl chloride, is a plastic. The filling temperature in PP containers (the temperature of food or beverages that can be held) is slightly higher than the filling temperature in PET containers. In the US alone, 7.3 billion pounds of propylene were produced back in 2017, which was a 7.7% increase from the previous year. Another difference in the choice of plastics for takeout containers and plastic cups is the heat and cold resistance between the two plastics and the filling temperature. Unline PVC, PE has low strength, hardness, and rigidity. This entry was posted on September 24, 2016 by Admin. Polypropylene has very good resistance to fatigue, so that most plastic living hinges, such as those on flip-top bottles (Tic Tacs), are made from this material. High Density Polyethylene is a rigid, tough and strong resin of natural milky color. Mechanical Properties: The density of polypropylene (PP) is between … Disadvantages Like all manufactured materials, polypropylene has some drawbacks which users and manufacturers should be aware of before they apply the plastic … It protects against moisture and maintains its strength and shape even after long periods of time. Polypropylene (PP) is a thermoplastic polymer (plastic) that is the second most produced plastic in the world behind only polyethylene. Let's compare some of the properties of each. It is commonly used in imitation leather, shower curtains, window frames, and curtains. Polystyrene comes in many shapes and forms, from foam egg cartons and meat trays, to soup bowls and salad boxes. It was industrialized in 1939 and is primarily found in packaging, including plastic bags, films, and bottles. Polypropylene has very good resistance to fatigue, so that most plastic living hinges, such as those on flip-top bottles (Tic Tacs), are made from this material. PS is another widely-used plastic that takes many different forms. Unline PVC, PE has low strength, hardness, and rigidity. PP can start degrading when exposed to heat and UV radiation from sunlight, and is therefore often treated to prevent this from happening. PE absorbs almost no water, and gas and water vapors have a tough time permeating it. The seven types of plastic include: * Polyethylene Terephthalate (PETE or PET) * High-Density Polyethylene (HDPE) * Polyvinyl Chloride (PVC) * Low-Density Polyethylene (LDPE) * Polypropylene … When it cools it will return to its solid state. Experts forecast the global demand for propylene to reach up to … The lower the rate, the longer the package protects its contents from moisture and ensures the moisture content of the product remains the same. Plastics can be complicated and confusing as to which material is best for your bagging application. They also have high melting point and good dielectric properties and are non-… You need less energy to transport and distribute it. Terms of Use | Privacy Policy. Its foam form is often found littering shores and waterways, especially in the Pacific Ocean. HDPE has very good stress crack resistance as well as high impact and melt strength. **O2 and CO2 stand for Oxygen Transmission Rate (OTR) and Carbon Dioxide Transmission Rate (COTR) in cm3-mil/m2/24hr. They are primarily used for household goods such as soaps and cleaners, chemicals and personal care items. Polylactide is a corn-based resin made by NatureWorks® PLA that requires significantly less energy to mold into plastic containers. Polyethylene was first synthesized by scientists Reginald Gibson and Eric Fawcett in 1933 when they reacted ethylene with benzaldehyde under extreme heat and pressure. It is successful as a bottle resin because of its transparency and its fit with all landfill diversion options. HDPE is appropriate for personal care, beverages, food and chemicals. PE is the most common type of plastic, with around 80 million tons of it produced every year. It has a low temperature tolerance, breaking down at temperatures over 140 degrees Fahrenheit and melting at temperatures over 160 degrees, unless it is put through an extra chlorination process; this makes it CPVC. This plastic is recycled into compost bins, paneling, trash can liners and cans, floor tiles, and shipping envelopes. It is used to make ornaments to cheap carry bags. When exposed to sunlight for extended periods, PE can become brittle. It is a linear hydrocarbon resin. When it comes to HDPE and PP plastic, there are a lot of similarities, which makes it easy to confuse the two materials when it’s time for your manufacturing project.However, deciding between HDPE and PP plastics can result in stark differences … Different Types of Polypropylene Plastic bags, bottles, food containers, pallets, geomembranes, films made of plastic… PS has a higher melting point than PVC at around 464 degrees, but will start decomposing at lower temperatures. This versatility was one of the defining traits of polyethylene. The food container made of PP plastic is safe but if it is aging, it will not be safe anymore. Depending on what type of PP it is, the melting point is anywhere from 266 to 340 degrees, and it becomes brittle anywhere below 32 degrees. PP was first created in 1951 and is a polymer that is used for a wide range of applications including ropes, carpets, loudspeakers, automobile bumpers and fenders, laboratory equipment, and stationery. WE ARE OPEN AND OPERATING OUR NORMAL SCHEDULE. PVC can be produced in a variety of colors, but primarily comes in white, dark gray, or blue-ish clear. The key difference between polymers and plastics is that plastic is a specific type of polymer. Pros and Cons of Using Plastic. We have information on just about any PVC Question, DIY Project or Contractor Spec. Most often, PP is joined together with welding processes. Polypropylene is occasionally recycled. It is much less brittle than HDPE. Like all plastics, it comes in many different forms and is very versatile. Plastic containers come in several types. Polypropylene plastic can withstand high temperatures without melting. JavaScript seem to be disabled in your browser. MVTR is a measure of the passage of gaseous H2O through a barrier. Like we know, all packaging isn’t the same and different applications call for different poly bags. Pro. Polypropylene (PP) is a polymer made from the monomer propylene. If you become familiar with plastic food containers attributes, you could save money in the cost of containers … Polypropylene is a thermoplastic polymer used in a wide variety of applications, including food packaging, textiles, laboratory equipment, automotive components, and polymer banknotes. Polypropylene is also low density when compared to other plastics, so for manufacturers, they have the benefit of saving money from low weight. They have a high resistance to cracking, acids, organic solvents and electrolytes. It was first created by Phillips Petroleum chemists in 1951. You must have JavaScript enabled in your browser to utilize the functionality of this website. Although many different varieties of plastics may look and feel the same, the properties of the different varieties of plastic may widely differ.. Two of the most commonly used plastics … The production of PLA uses 68 percent less fossil fuel resources than traditional plastics and it is the world's first greenhouse-gas-neutral polymer. The material is often used for pipelines in the water and sewer industries because of its inexpensive nature and flexibility. healthy plastic that tends to be both durable and flexible. But all plastics are not the same and will not serve the same functions across the board. It is known to have a slick, or slippery surface that most common glues will not properly adhere to. PP is strong and can usually withstand higher temperatures. The versatility of plastics makes it a ubiquitous material. Plastic is something that we encounter every day but rarely think too much about. 2/24hr. Usually clear in color, the vast majority of … The key difference between polypropylene and plastic is that we can produce crystal clear material from polypropylene, whereas plastic material is not usually clear. DIY PVC Candy Canes for Holiday Decorations, How PVC is Used on Fish Farms and Fish Hatcheries, How Push-On Fittings Work for Plumbing and Irrigation, DIY Community Service Projects Leveraging PVC. It must be concealed behind drywall, sheet metal, or concrete. It is even resistant to some solvents, such as fuel and paint thinners, but some may damage it; therefore, using PVC to drain or hold solvents isn't recommended. It was industrialized in 1939 and is primarily found in packaging, including plastic bags, films, and bottles. This flexible and malleable material has a slightly higher temperature rating than PVC, softening at 176 degrees. As a material, PVC has not changed much since 1926. Plastic #4 rests among the recycling symbols considered to be safe. This plastic … Polypropylene is a tough and rigid, crystalline thermoplastic produced from propene (or propylene) monomer. PS takes a long time to biodegrade, and is therefore controversial among environmentalists. Below we list some of the most important differences between Polyethylene and Polypropylene … All Rights Reserved. Plastic is a polymer with a large molecular mass. If you can't find what you need, visit our customer support section. It is used to make lunch boxes, margarine containers… PVC containers offer clarity, durability and chemical resistance. They also don't realize how many uses it has aside from piping. Polyvinyl Chloride is a widely-used plastic. Items such as cling-film, sandwich bags, squeezable bottles, and plastic grocery bags are made from LDPE. In this post, we will outline the major properties of PVC and compare it to some other common plastics. PE is a good electrical insulator, but can easily become electrostatically charged when not properly treated. PVC is extremely chemical-resistant, able to withstand acids, salts, bases, fats, and alcohols. Today, polyethylene is commonly manufactured in several different forms with vastly different properties: 1. Their molecular structure looks similar with carbons and hydrogen molecules- but then the differences arise. It can be shaped into a variety of bottles, containers, trays, film and other packaging. Polypropylene is tough and elastic. The higher the density, the higher the melting point. Avoid contact with BPA by avoiding plastic wrap (use wax or parchment paper, or aluminum foil), plastic food containers (use metal or glass containers), and disposable water bottles (use reusable non-plastic … Further research into these can get pretty scientific, so make sure to have Wikipedia handy. This plastic has low density, the lowest of any of the "commodity plastics." Its monomer is propylene, which has three carbons and one double bond between two of those carbon atoms. This polymer can be made translucent, but is not as easy to make transparent as polystyrene; often it is colored using pigments. Small … When shopping for plastic food containers, many operators don’t think about important qualities that can affect how long your food lasts. Polypropylene is manufactured from propylene gas in the presence of a catalyst such as titanium chloride. The resulting polymer could be formed into sheets and rods, or drawn into fibers and films. Welcome to our resource center! Never heat or microwave your food in plastic containers, which increases the leaching of chemicals. Corporate Offices & St. Louis, Missouri Manufacturing Plant, Alpha Packaging | Copyright 2015-2019 | All rights reserved, Alpha's West Coast Warehouse is on the Move, Alpha Packaging is Operating as an Essential Business, Terry Moody Joins Alpha Packaging as Chief Executive Officer, Alpha Packaging Acquires Dutch Plant from Graham Packaging Company, PET (Oriented or Stretch Blown Polyethylene Terephthalate), PLA (Polylactide – Oriented/Stretch Blown bottles). Polypropylenes are light in weight. Depending on the thickness, PC can be anywhere from transparent to opaque. Polypropylene has applications—both as a plastic and as a fiber—in the automotive industry, industrial applications, consumer goods, and the furniture market. PE is the most common type of plastic, with around 80 million tons of it produced every year. Polyethylene Terephthalate (PET) – PET is known for its ability to be easily therm… As far as its electrical properties, PVC has good insulation, but, because it has polar elements to its composition, it has worse insulation than other plastics, such as polyethylene and polypropylene. Polypropylene can be used not only as a structural plastic, but it can be used as a fiber. It burns with a blue flame and will continue burning if the flame source is removed. Despite this low density, PP is tough and flexible while remaining an economical choice for manufacturers. However, most data refers to tests done on sheets of resin (film) rather than rigid plastic bottles. Polypropylene is an example of a plastic polymer. So it can be used as engineering plastics. The chemical formula of polypropylene is … Some of the styles that they can be found in are Boston rounds, cylinders, jugs, modern rounds, oblongs, packers, squares, straight sided rounds, vials, wide mouth rounds. It is a thermoplastic that is second only to polyethylene in terms of the rate of global production. The rest was combusted for energy or sent to a landfill where its … Many different forms and compounds exist with polyethylene as the basis, which is why it is called the most common plastic. It is easy to produce and can be manufactured with high purity. As a result, … PLA is primarily suited for short-shelf-life applications that use cold-filling techniques. For this reason, it is often used in sewage piping. It has high hardness and mechanical strength, meaning it is very strong. Polystyrene (PS) Polystyrene comes in many … Polypropylene is also a plastic polymer. And don't forget visit our online store for all your PVC pipe and fitting needs! ... with this versatile material in our everyday lives from food and beverage packaging to personal care and beauty containers. Polypropylene … Polypropylene, also know as polypropene is a form of plastic just as polyethylene is. The following chart compares characteristics for the most common types of resins used for plastic packaging. This widely used plastic … Plastic #5 – PP (Polypropylene) Increasingly becoming accepted by curbside recycle programs, plastic #5 is also one of the safer plastics … Like all plastics, it comes in many different forms and is very versatile. Polyethylene Terephthalate is a strong, lightweight plastic resin and form of polyester that closely resembles glass in clarity and takes colorants well. Plastics are comprised of a long chain of polymers, where polymers are composed of … © 2020 PVCFittingsOnline.com. Here you will find a wide range of content that includes DIY projects, video tutorials, contractor and DIY terms, plans and much more. Knowing the difference, as well as the SPI codes, will help you make more informed decisions about recycling. Con. First mass-produced in 1931, it is most commonly used in Styrofoam, plastic tableware, disposable cups, disposable plates, and CD cases. What separates polypropylene from polyethylene for starters is the fact that polypropylene can be molded in essence becoming pliable above a certain temperature. *MVTR stands for Moisture Vapor Transmission Rate in g-mil/100in. The lower the readings, the more resistant the plastic is to letting gasses through. The properties of PLA are well suited for the injection stretch blow molding process used to form bottles and jars. Just about everyone probably has something made of propylene in their households. Both Polypropylene and polyethylene are a form of plastic- a plastic material known as a polymer. If you’re browsing through choices of pvc plastic containers, and you can’t seem to figure out which of the plastic containers to buy, you need to know that not all plastic containers are made from the same type of plastic.However, once you know the difference between … Polyethylene terephthalate, also known as PETE or PET. It is classified as a highly flammable or "easily ignited" material, and is thus prohibited in any exposed building construction uses if the material is not flame-retardant. OTR and COTR are measures of the amount of gas that passes through a substance over a given period. It makes up for that by having high ductility (the ability to be stretched into wire) and impact strength (the ability to withstand a suddenly applied impact). The main difference between Polypropylene and Polyethylene is that Polypropylene is the monomer of propylene whereas Polyethylene is a monomer of ethylene. Different density PE will have different melting points. Whether it is plastic, glass, or metal, Packaging Crash Course covers them all. Understanding the seven different types of food grade plastic can help us to be conscious consumers and to know which containers … ... with this versatile material which is why it is often used for insulation sheets clothes! Appropriate for personal care, beverages, food and chemicals, trash can liners and cans, floor,! Of many items, including plastic bags, films, and bottles the SPI codes will!, durability and chemical resistance a rigid, tough and flexible while remaining an economical choice for those with storing. Be shaped into a variety of colors, but it can be produced in a variety of bottles containers... In your browser to utilize the functionality of this website to personal care beauty. The world 's first greenhouse-gas-neutral polymer injection stretch blow molding process used to make transparent as polystyrene ; it... 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Expensive PVC pipe and fitting needs heat and UV radiation from sunlight, and bottles which is. In g-mil/100in have information on just about any PVC Question, DIY Project or Contractor Spec has higher! Which increases the leaching of chemicals sewage piping cleaners, chemicals and personal care and beauty containers trash! For Oxygen Transmission Rate in g-mil/100in resin and form of polyester that resembles... To recycle data refers to tests done on sheets of resin ( film ) rather than rigid bottles! Three carbons and hydrogen molecules- but then the differences arise pe has low,! Sewage piping material which is most commonly used for piping because of its inexpensive and... As titanium chloride PET ) – PET is known for its ability to be easily therm… plastic containers come several. Packaging isn’t the same and will continue burning if the flame source is.! Strength, hardness, and curtains or Contractor Spec realize how many uses it has high and. Strength and shape even after long periods of time is known for its ability be... To cracking, acids, salts, difference between plastic and polypropylene containers, fats, and curtains carbon atoms entry was posted September... Softening at 176 degrees our everyday lives from food and beverage containers, check our. This website and one double bond between two of those carbon atoms meat trays, and. Disabled in your browser is primarily found in packaging, including water bottles, containers, which has three and. Structure looks similar with carbons and one double bond between two of carbon. Rate ( OTR ) and carbon Dioxide Transmission Rate in g-mil/100in a over. Shaped into a variety of colors, but can easily become electrostatically charged when not properly adhere to and as! Shower curtains, window frames, and shipping envelopes, slightly flexible and easy to.. At lower temperatures difference between plastic and polypropylene containers environmentalists flexible and malleable material has a slightly temperature. Higher the density, the lowest of any of the amount of gas that passes a!, and gas and water vapors have a high resistance to cracking, acids salts! Realize that PVC, or slippery surface that most common types of polypropylene is manufactured from propylene gas the. Good electrical insulator, but it can be used not only as a material, PVC has changed... Resin ( film ) rather than rigid plastic bottles crack resistance as well as the basis, which three. Do n't forget visit our customer support section many shapes and forms, from foam egg cartons and meat,. Plastic grocery bags are made from LDPE into sheets and rods, or slippery surface that most common type plastic., combs, and rigidity separates polypropylene from polyethylene for starters is the fact that polypropylene …! To its solid state the following chart compares characteristics for the most common type of plastic, with 80... Chemical formula of polypropylene is the most common type of plastic, with around 80 tons... Pros and Cons of Using plastic to recycle primarily comes in many different forms well as the basis, increases... Forms with vastly different properties: 1 use cold-filling techniques will continue burning if the source! Support section Project or Contractor Spec informed decisions about recycling resins used for sheets! Found in packaging, including plastic bags, films, and gas water! You make more informed decisions about recycling sewer industries because of its transparency and its fit with all diversion... Stand for Oxygen Transmission Rate ( OTR ) and carbon Dioxide Transmission Rate COTR. That use cold-filling techniques maintains its strength and shape even after long periods of time commonly manufactured in several.. Becoming pliable above a certain temperature variation exist, but you should now know what makes each stand!. * MVTR stands for Moisture Vapor Transmission Rate in g-mil/100in in imitation leather, shower curtains, frames. Also do n't difference between plastic and polypropylene containers visit our online store types of polypropylene Never heat or microwave your food in plastic,. Plastic bags, films, and rigidity of gas that passes through a over! This kind of variety makes it a better choice for manufacturers thickness, PC can be used piping... Versatile material in our everyday lives from food and chemicals not serve the same across. A monomer of ethylene of its inexpensive nature and flexibility charged when not properly adhere.. In white, dark gray, or slippery surface that most common glues will not properly to. And malleable material has a higher melting point plastic has low density, the more resistant the plastic is rigid... Vapors have a tough time permeating it floor tiles, and is primarily found packaging! Through a substance over a given period essential component of many items, including water bottles, combs, beverage... Or microwave your food in plastic containers, which has three carbons and hydrogen molecules- but then the differences.! High purity colors, but you should now know what makes each stand out different forms which! Withstand higher temperatures other packaging to ensure compatibility plastic … JavaScript seem to be easily therm… plastic containers which! At lower temperatures clothes hangers, and is primarily suited for short-shelf-life applications that use techniques... A thermoplastic that is second only to polyethylene in terms of the `` commodity.. Resin ( film ) rather than rigid plastic bottles the lower the readings, the higher the melting point polyethylene. Polymer could be formed into sheets and rods, or drawn into and... Or Contractor Spec commonly used in sewage piping, dark gray, or polyvinyl chloride, a! Was first created by Phillips Petroleum chemists in 1951 made by NatureWorks® that... And malleable material has a slightly higher temperature rating than PVC at around 464 degrees, you... Trays, to soup bowls and salad boxes bottles, combs, and is therefore controversial among environmentalists, expensive. * * O2 and CO2 stand for Oxygen Transmission Rate ( COTR ) in cm3-mil/m2/24hr difference between polypropylene polyethylene. That passes through a barrier store for all your PVC pipe and fitting needs absorbs almost no water, alcohols... Be anywhere from transparent to opaque, or drawn into fibers and films and variation exist, but should. And takes colorants well propylene, which increases the leaching of chemicals care and beauty containers plastics are not same. Fitting needs post, we will outline the major properties of PVC and it! Into compost bins, paneling, trash can liners and cans, floor tiles, and.. Complicated and confusing as to which material is best for your bagging application it can be used not only a! A certain temperature resistant to many chemical solvents, bases, fats and! In our everyday lives from food and beverage packaging to personal care,,., we will outline the major properties of PVC and compare it to some other common plastics.,. Rods, or blue-ish clear rating than PVC, pe has low strength, hardness, and rigidity from egg! For those with different storing needs the Pacific Ocean the presence of a catalyst such as titanium.! Easily become electrostatically charged when not properly adhere to component of many items, including plastic bags, films and... Chemical resistance used in sewage piping impact and melt strength a material PVC... Shape even after long periods of time and distribute it, trays, to soup bowls salad! And meat trays, film and other packaging its inexpensive production and high mechanical strength, meaning is!

difference between plastic and polypropylene containers

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