Polyethylene

Definition Polyethylene, PE

Polyethylene, PE is an organic polymer made by the polymerization of monomer subunits. The chemical formula of polyethylene is (C2H4) n. Polyethylene is a combination of similar polymers of ethylene with different values of n.

 Polyethylene, Polythene, PE is one of the world’s most popular plastics. Polyethylene, PE is an enormously versatile polymer that is suited to a wide range of applications. Polyethylene, PE is used for lining tubes and tanks, and to wrap pipes to protect against corrosive materials.

Advantage used Polyethylene, PE

 Polyethylene, PE is cheap, flexible, electrically and chemically resistant. Polyethylene has shown good mechanical, thermal, chemical, electrical and optical properties. Polyethylene can be processed into any shape for flexible or hard and strong products. The most widely used plastic in the world is Polyethylene, PE. That is flexible, weatherproof, low cost, good chemical resistance.

The properties of Polyethylene, PE:

  Light weight, long lasting, low friction, low cost, flexible, electrically resistant, sun resistant, corrosion resistant. PE can be recycled.PE in solid form is not toxic. Polyethylene is often used in food handling. Polyethylene could be toxic if inhaled or absorbed into the skin or eyes as a vapor or liquid, such as during manufacturing processes.

Application of Polyethylene, PE:

Polyethylene, PE is used Chemical drums, toys, household and kitchenware, cable insulation, carrier bags, food wrapping material.

Type of Polyethylene, PE:

The major type of polyethylene is:

 LDPE, Low Density Polyethylene

 LLDPE, Line Low Density Polyethylene

 HDPE, High Density Polyethylene

UHMW, Ultra High Molecular Weight Polyethylene

Different of types of Polyethylene, PE:

Low Density Polyethylene, LDPE is a very flexible material with very unique properties that makes it particularly suitable for plastic film applications such as shopping bags. Low Density Polyethylene, LDPE has high ductility but low tensile strength.

  Linear Low Density Polyethylene, LLDPE is similar to LDPE with the added advantage that the properties of LLDPE can be altered by adjusting the formula constituents and that the overall production process for LLDPE is typically less energy intensive than LDPE.

  High Density Polyethylene, HDPE is a strong plastic with a highly crystalline structure. HDPE is used as  plastic for milk cartons, laundry detergent, garbage bins, and cutting boards.

 Ultrahigh Molecular Weight Polyethylene (UHMW) is a dense type of polyethylene with molecular weights typically an order of greater than HDPE.UHMW can be spun into threads with tensile strengths many times greater than steel and can be used into high performance equipment like bulletproof vests.

Polyethylene, PE is primarily used in the packaging industry in the manufacturing of plastic milk and water jugs, detergent and shampoo bottles, and some plastic bags. As a wire and cable insulator and jacketing material, polyethylene is mixed with additives to make it softer and more flexible.

 The most common form of PE is a solid, non-foamed. Medium-density polyethylene, MDPE is a foamed version of PE, is also available and offers a lower dielectric constant than its solid counterpart. Solid PE carries a low flexibility value, which can vary depending on density used. Use of High-density polyethylene, HDPE will further reduce flexibility while Low-density polyethylene, LDPE tends to increase flexibility. In addition, Polyethylene can be cross-linked to increase its resistance to cracking, cut-through, soldering, and solvents.

Polyethylene is a semi-crystalline polymer available in a wide variety of versions with different chemical structures, molecular weights and densities determined by the various methods of polymerization.

PE polyethylene, thermoplastic material most widely used dielectric-material, is also used foamed to improve electrical values.

Exporting of Polyethylene, PE

ShinaDT Co exports the three  types of Polyethylene such as LDPE (Low Density Polyethylene), LLDPE (Line Low Density Polyethylene), and HDPE (High Density Polyethylene). If you want the updated price for Polyethylene or PE and knowing more about further details, please contact us.

Polyethylene, PE at a glance:

Uses

thermoplastics, fibers

Monomer

ethylene

Polymerization

free radical chain polymerization, Ziegler-Natta polymerization, metallocene catalysis polymerization

Morphology

highly crystalline (linear), highly amorphous (branched)

Melting temperature

137°C

Glass transition temperature

-130 to -80°C

 

 

 

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