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Top 5 engineering plastic in China

Here we introduce top 5 engineering plastic in China.

1.High Density Polyethylene Sheet (HDPE)

Economic,strong against impact,abrasion resistant,and exhibits a low coefficient of friction,HDPE sheet is wide used in many industry in China.In 2015 SHENGTONG extrusion hdpe  sheets sales is more than 200 tons, this year the market is also still growing strongly.
Sheet hdpe is also moisture, stain, and odor resistant, and is FDA approved for use in the food processing industry (mainly for cutting boards).
HDPE sheet can be used for water tanks,chute linings,bottle/bottle cap production and numerous other industrial uses. Borated HDPE offers radiation protection in nuclear facility applications.

2.Ultra high molecular weight polyethylene (UHMW-pe)

SHENGTONG uhmw pe sheet has extremely long chains, with a molecular mass usually between 3.5 and 7.5 million . The longer chain serves to transfer load more effectively to the polymer backbone by strengthening intermolecular interactions. This results in a very tough material, with the highest impact strength of any thermoplastic presently made
Shengtong UHMWPE wear resistance exceed certain metals, comparing with other engineering plastics, UHMWPE mortar abrasion index is only 1/5 of PA66, HDPE and PVC 1/10;
Compared with the metal, is 1/7 of the carbon steel, brass 1/27.
 
 3.Polyvinyl chloride (PVC)

 Pure poly(vinyl chloride) is a white, brittle solid. It is insoluble in alcohol but slightly soluble in tetrahydrofuran.
Polyvinyl chloride, more correctly but unusually poly(vinyl chloride), commonly abbreviated PVC, is the world's third-most widely produced synthetic plastic polymer, after polyethylene and polypropylene.
PVC comes in two basic forms: rigid (sometimes abbreviated as RPVC) and flexible. The rigid form of PVC is used in construction for pipe and in profile applications such as doors and windows. It is also used for bottles, other non-food packaging, and cards (such as bank or membership cards). It can be made softer and more flexible by the addition of plasticizers, the most widely used being phthalates. In this form, it is also used in plumbing, electrical cable insulation, imitation leather, signage, inflatable products, and many applications where it replaces rubber.

4.Nylon 6

Nylon 6 or polycaprolactam is a polymer developed by Paul Schlack at IG Farben to reproduce the properties of nylon 6,6 without violating the patent on its production. It is a semicrystalline polyamide. Unlike most other nylons, SHENGTONG nylon 6 is not a condensation polymer, but instead is formed by ring-opening polymerization; this makes it a special case in the comparison between condensation and addition polymers. Its competition with nylon 6,6 and the example it set have also shaped the economics of the synthetic fiber industry. It is sold under numerous trade names including Perlon, Nylatron, Capron, Ultramid, Akulon, Kapron, and Durethan.

5.Polypropylene (PP)

Polypropylene, also known as polypropene, is a thermoplastic polymer used in a wide variety of applications including packaging and labeling, textiles, stationery, plastic parts and reusable containers of various types, laboratory equipment, loudspeakers, automotive components, and polymer banknotes. An addition polymer made from the monomer propylene, it is rugged and unusually resistant to many chemical solvents, bases and acids.

    SHEGNTONG PP Density: 0.55 oz/in³ (0.95 g/cm³)
    Melting point: 130 °C
    Chemical formula: (C3H6)n
    IUPAC ID: poly(propene)







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