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  • Why do we prefer PVC pipes instead of iron pipes? - Quora

    Why do we prefer PVC pipes instead of iron pipes? - Quora

    PVC pipe is preferred in many scenarios because of the ability to cut it quickly (in 3–4 seconds) as opposed to cast iron which would take up to 30 seconds for a 4 inch piece. PVC is obviously a lot cheaper than cast iron but there is a lot of arg...

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  • 7 Types of Plastic Wreaking Havoc on Our Health - …

    7 Types of Plastic Wreaking Havoc on Our Health - …

    PET: polyethylene terephthalate PET is commonly used in commercially sold water bottles, soft drink bottles, sports drink bottles and condiment bottles (like ketchup). While it is generally considered a “safe" plastic, and does not contain BPA, in the presence of heat it can leach antimony, a toxic metalloid, into food and beverages, which can cause vomiting, diarrhea and stomach ulcers.

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  • The Best Plastics for Outdoor Use | Acme Plastics

    The Best Plastics for Outdoor Use | Acme Plastics

    When designing products for outdoor use, plastic is an effective material that should be given serious consideration. Plastics are increasingly being used to construct greenhouse panels, playgrounds, outdoor furniture, and other structures that were previously dominated by materials such as wood and glass. ...

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  • Composite or PVC: Which One is Best? | Architect …

    Composite or PVC: Which One is Best? | Architect …

    Polyethylene and PVC today typically are made from extracts of natural gas rather than petroleum, but pricing still goes up and down with the oil market. Added cost pressures have arisen from this year's earthquake and tsunami in Japan, which knocked some processing plants offline.

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  • Polyethylene vs Polypropylene: Which Is Better? - Quality …

    Polyethylene vs Polypropylene: Which Is Better? - Quality …

    The most commonly used polyethylene plastics are high density polyethylene (HDPE), low density polyethylene (LDPE), and polyethylene terephthalate (PET). HDPE has high tensile strength and strength-to-density ratio, can withstand temperatures of up to 120 °C, and is resistant to a lot of solvents.

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  • Polyethylene: The Difference between - Partwell Group

    Polyethylene: The Difference between - Partwell Group

    Polyethylene: The Difference between UHMWPE, HMWPE, HDPE & LDPE plastic sheet & plastic components The higher the molecular weight of the polyethylene material, the easier it is to CNC machine. Similarly resistance to stress cracking and impact strength improves then higher the molecular weight of the polyethylene.

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  • Radiant Dreamer » Differences in Plastics – ABS, PVC, …

    Radiant Dreamer » Differences in Plastics – ABS, PVC, …

    High quality resin is typically very dense and can withstand quite a bit of pounding, but will shatter under significant pressure, while ABS would simply bounce back. But because of …

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  • Benefits of PVC over other materials - PVCConstruct

    Benefits of PVC over other materials - PVCConstruct

    Benefits of PVC over other materials PVC is replacing traditional building materials such as wood, metal, concrete and clay in many appliions. Versatility, cost effectiveness and an excellent record of use mean it is the most important polymer for the construction sector, which accounted for 60 per cent of European PVC production in 2006.

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  • Polyethylene (PE) Plastic: Properties, Uses & Appliion

    Polyethylene (PE) Plastic: Properties, Uses & Appliion

    14/7/2016· Properties of PVC and HDPE PVC comes in two forms (rigid PVC – RPVC and flexible PVC – FPVC), and some of their properties slightly vary. Density PVC: RPVC (1.3–1.45 g cm-3) is denser than FPVC (1.1–1.35 g cm-3). HDPE: HDPE has a large value for strength-to-density ratio, and its density ranges from 0.93 g cm-3 to 0.97 g cm-3.

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  • Difference Between PVC and Vinyl | Compare the …

    Difference Between PVC and Vinyl | Compare the …

    14/4/2012· The key difference between PVC and vinyl is that PVC is a polymer while vinyl is a functional group. Polymers are large molecules, which has the same structural unit repeating over and over. The repeating units are “monomers”. These monomers bind with each ...

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  • Is Vinyl the Same Thing as PVC?

    Is Vinyl the Same Thing as PVC?

    PVC and vinyl fencing can be painted but requires a special kind of pain called epoxy-based paint. It is important to do research on any type of materials used before buying them. You can assume that vinyl does actually mean PVC, but to be safe, you would need to verify the details with the manufacturer.

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  • PVC vs Poly: Which is Right for You? - Orbit Store

    PVC vs Poly: Which is Right for You? - Orbit Store

    The main benefit to PVC is that it is very strong, however due to its rigid nature, it is less forgiving with freeze and thaw cycles. Poly Poly is short for high-density polyethylene, or HDPE. This pipe is also used in irrigation systems, and other piping & conduit

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  • PU Coating: What It Is and How It Compares To TPU …

    PU Coating: What It Is and How It Compares To TPU …

    PU, TPU, and PVC are excellent materials for fabrics, though, due to the high costs of producing TPU and Vinyl coated fabrics, PU is often used for this purpose. However, since PU offers greater breathability than PVC and TPU – remeer a fabric’s breathability is its ability to allow water vapors pass through it – it can be argued that both TPU and PVC offer greater water resistance ...

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  • HDPE vs PVC Wicker: What's the Difference?

    HDPE vs PVC Wicker: What's the Difference?

    28/7/2014· Low quality wicker will easily break down within a year or two. High Density Polyethylene (HDPE) is the way to go. But it’s also important to ask how many hours the wicker is rated for. The best rated wicker will be rated for 5,000 hours of direct sunlight. This type of ...

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  • Grafix Plastics - High-Quality Plastic Sheets and Film - …

    Grafix Plastics - High-Quality Plastic Sheets and Film - …

    4/9/2016· Although both materials are polyethylene, they do have different properties. LDPE is softer, more flexible and melts at a lower temperature than HDPE. LDPE is used in sandwich bags and other types of packaging. HDPE is harder, has a higher chemical ...

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  • Polyethylene - an overview | ScienceDirect Topics

    Polyethylene - an overview | ScienceDirect Topics

    Today, high-density polyethylene refers to a material with a molecular weight of 100 to 250,000 daltons and is suitable for milk jugs, not artificial joints. In a hip simulator, HDPE has a wear rate that is four times higher than that of UHMWPE. 18 It is clear, therefore, that what we consider today to be modern HDPE has never been used clinically.

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  • Polyethylene Challenges - Advancing Materials

    Polyethylene Challenges - Advancing Materials

    Polyethylene is the most produced plastic in the world, and is considered strong, safe, and versatile, at least according to PlasticsEurope, the Association of Plastics Manufacturers.The PlasticsEurope website describes polyethylene as: “… a good insulator, it ...

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  • Polyethylene - an overview | ScienceDirect Topics

    Polyethylene - an overview | ScienceDirect Topics

    10.3.2 High density polyethylene (HDPE) HDPE is used in similar appliions to LDPE, but has better barrier properties than LDPE and a greater rigidity. So HDPE is also used for blow-moulded bottles for milk and other drinks, and in food storage containers.

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  • What is Polyethylene Plastic? (with pictures)

    What is Polyethylene Plastic? (with pictures)

    27/12/· Polyethylene is a very strong plastic and can be found in bulletproof vests. LDPE was discovered by accident during an experiment conducted by Gibson and Fawcett. Once discovered, they began to process the polymer material, giving it the name "Polythene." ...

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