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LUBMER™ L4640

Technical Datasheet | Supplied by Mitsui Chemicals
Mitsui Chemicals
LUBMER™ L4640 is a filled, ultra-high molecular weight polyethylene (UHMWPE) by Mitsui Chemicals. It functions as a tribology modifier of engineering plastics or a replacement for PTFE. Applicable for lightweight gears and bearings. It can reduce a squeaking sound with a variety of materials. It is suitable for processing by injection molding, co-extrusion or insert mold. Exhibits high mechanical properties, low friction and high processability. Improves durability due to high abrasion resistance. LUBMER™ L4640 contributes to increased product efficiency and total cost reduction.
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LUBMER™ L4640
Technical Datasheet | Supplied by Mitsui Chemicals
REQUEST A SAMPLE ORIGINAL DATASHEET CONTACT SUPPLIER
See 4 related documents by Mitsui Chemicals
Product Type
Other Surface Modifiers
Chemical Composition
Ultra-high Molecular Weight Polyethylene (UHMWPE)
Physical Form
Pellets
Appearance
Light brown
Product Status
COMMERCIAL
Applications/ Recommended for
  • Gears
  • Extrusion > Coextrusion
  • Injection molding - thermoplastics
  • Cost reduction
  • Mechanical/ physical performance > Sound dampening

LUBMER™ L4640 Properties

Property

Value & Unit
Test Condition
Test Method
Abrasion Loss
200×10-3 mm3/kg-km
(Counter material:S45C ring. Load:0.75MPa. Velocity:30m/min. Time:100min)
MCI Method
Coefficient of Expansion
1.8×10-4 1/°C
(At -30-120°C)
ISO 11359-1,2
Coefficient of Friction (COF)
0.2
(Kinetic. Counter material:S45C ring. Load:0.75MPa. Velocity:30m/min. Time:100min)
MCI Method
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Last edited February 02, 2024
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