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Technical Datasheet | Supplied by Mitsui Chemicals
LUBMER™ TM-80B by Mitsui Chemicals is a weather resistant ultra-high molecular weight polyethylene (UHMWPE). Improves durability due to high abrasion resistance. It functions as a tribology modifier of engineering plastics or a replacement for PTFE. Exhibits low friction, high mechanical properties and high processability. It contributes to increased product efficiency and total cost reduction. It can reduce a squeaking sound with a variety of materials. Used in lightweight gears and bearing applications. LUBMER™ TM-80B is designed for processing by injection molding, co-extrusion or insert mold.
Product Type
Other Surface Modifiers
Chemical Composition
Ultra-high Molecular Weight Polyethylene (UHMWPE)
Physical Form
Product Status
Applications/ Recommended for
  • Gears
  • Injection molding - thermoplastics
  • Extrusion > Coextrusion
  • Polymer protection > Weatherability (UV, moisture, Oxygen...)
  • Cost reduction
  • Mechanical/ physical performance > Sound dampening

LUBMER™ TM-80B Properties


Value & Unit
Test Condition
Test Method
Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)
11 g/10 min
(At 190°C. 10kgf)
MCI Method
971 kg/m3
ASTM D1505
Coefficient of Friction (COF)
(Kinetic. Counter material:S45C ring. Load:0.75MPa. Velocity:30m/min. Time:100min)
MCI Method

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