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LLDPE-HDPE

BCPL is setting up an LLDPE/HDPE Swing unit which is designed to process 2, 20,000 TPA of LLDPE and HDPE.

Plant Configuration:

Capacity of the Unit   :  2, 20,000 TPA
Licensor  : M/s INEOS Technology, UK
Technology  : Gas Phase Polymerization
Raw Material  :  
  Monomer  : Ethylene
  Co Monomer  : Butene-1 and Hexene
  Catalyst  : Ziegler Natta Catalyst and Chromium (Future)
  Co Catalyst  : Tri Ethyl Aluminum (TEAL)


About Polyethylene-LLDPE/HDPE:

Polyethylene is a thermoplastic polymer consisting of long chains produced by combing the ingredient monomer ethylene (IUPAC name ethene).  It is manufactured from ethylene through gas phase polymerization in presence of a catalyst such as Ziegler Natta or Chromium (Future) in BCPL. Linear low-density polyethylene (LLDPE) is a substantially linear polymer (polyethylene), with significant numbers of short branches, commonly made by copolymerization of ethylene with longer-chain olefins. HDPE has a low degree of branching and thus stronger intermolecular forces and tensile strength.

Properties of LLDPE

  • Higher tensile strength than LDPE
  • Exhibits higher impact and puncture resistance than LDPE
  • Lower thickness film can be blown compared to LDPE
  • Better environmental stress cracking resistance
  • Semi rigid, Very tough and weather proof
  • Good Chemical resistance.

Properties of HDPE

  • Flexible, Translucent/Waxy and Weather proof
  • Good low temperature toughness(to -60° C)
  • Good chemical resistance
  • Easy to process by most methods and low cost


Application of LLDPE and HDPE:

LLDPE is used for plastic bags and sheets (where it allows using lower thickness than comparable LDPE), plastic wrap, stretch wrap ,pouches, toys, covers, lids, pipes, buckets and containers, covering of cables, geo-membranes,  and mainly flexible tubing.

HDPE is used in products and packaging such as milk jugs, detergent bottles, margarine tubs, garbage containers and water pipes.

 
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