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LUBMER™ L4000

Technical Datasheet | Supplied by Mitsui Chemicals
LUBMER™ L4000 by Mitsui Chemicals is an ultra-high molecular weight polyethylene (UHMWPE) having high mechanical properties. Used as a tribology modifier of engineering plastics or a replacement for PTFE. It can reduce a squeaking sound with a variety of materials. Exhibits low friction and high processability. It is suitable for processing by injection molding, co-extrusion or insert mold. It contributes to increased product efficiency and total cost reduction. Improves durability due to high abrasion resistance. LUBMER™ L4000 is designed for lightweight gears and bearings.
Product Type
Other Surface Modifiers
Chemical Composition
Ultra-high Molecular Weight Polyethylene (UHMWPE)
Physical Form
Pellets
Appearance
Natural
Product Status
COMMERCIAL
Applications/ Recommended for
  • Gears
  • Extrusion > Coextrusion
  • Injection molding - thermoplastics
  • Cost reduction
  • Mechanical/ physical performance > Sound dampening

LUBMER™ L4000 Properties

Property

Value & Unit
Test Condition
Test Method
Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)
6 g/10 min
(At 190°C. 10kgf)
MCI Method
Density
967 kg/m3
ASTM D1505
Coefficient of Expansion
1.9×10-4 1/°C
(At -30-120°C)
ISO 11359-1/2

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