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Polyethylene polyethene current price
Color:Transparent/Translucent/Opaque
Melt flow rate or Melt index:2-60
CAS:9002-88-4
Packing:25KG/Bag
Introduction of polyethylene
Polyethylene or polyethene is athermoplastic polymer
Basic monomer unit is ethen
Polyethylene classification
Designation | Acronym | Density g/cc |
High Density Polyethylene | HDPE | >0.941 |
Low Density polyethylene | LDPE | 0.910~0.941 |
Linear Low density polyethylene | LLDPE | 0.915~0.925 |
Ultra High Molecular Weight Polyethylene | UHMWPE | 0.930~0.935 |
Comparison of properties of polyethylene
Properties | LDPE | HDPE | LLDPE | UHMWPE |
Molecular mass | 87000 | 96000 | 96000 | 4.5X106 |
Yield strength MPa | 12.4 | 26.5 | 10.3 | 22 |
Reputure srtength MPa | 12 | 21.1 | 25.3 | 44 |
Impact energy KJ/m2 | 61 | 5 | 63 | 210 |
Polyethylene application area
LDPE
Film for food packaging
Sealants and insulators
Adhesives
Carry out bags Squeeze bottles molded laboratory equipment
HDPE
Water pipes
Containers (milk, laundry detergent etc.)
Electrical wire insulation
Other plastics packaging (caps, trays etc.)
Trash Bags
Industrial drums
LLDPE
Plastic bags and sheets (where it allows using Lower thickness than comparable LDPE) Plastic wrap
Flexible tubing
Toys
Buckets and containers
UHMWPE
High modulus fibers for bulletproof vests
Orthopedic implants (artificial hips, knees)
Due to its low friction and wear resistance it is
used in industrial impact, wear, and sliding
applications in both normal and corrosive
environment
Coatings for grain silos
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