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  • LUBMER™
  • LUBMER™
  • LUBMER is a special polyethylene developed by Mitsui Chemicals using proprietary polymerization technology. It can be injection molded or extrusion molded with high sliding properties, which is a characteristic of ultra-high molecular weight polyethylene. In addition to standalone molding, it can also be used as an additive to improve the sliding properties and abrasion resistance of engineering plastics and rubbers.
Generic Term Form Molecular Weight Molding Method
Special polyethylene with high sliding properties Pellets
Pellets
< 1,000,000 - Injection Molding
- Extrusion Molding

Sliding propertiesIt exhibits almost the same low abrasion coefficient as fluoropolymers

Demonstrates a low friction coefficient similar to fluoropolymers and exhibits superior abrasion resistance to other polyolefins and engineering plastics.

Suzuki Method Ring Abrasion Test
Suzuki Method Ring Abrasion Test
Testing Temperature: 23ºC, Opposite Material: S45C, Load: 0.75MPa, Speed: 30m/min., Distance: 3km
Suzuki Method Ring Abrasion Test

Abrasion resistanceLUBMER exhibits superior overall abrasion resistance compared to polyacetal, nylon and PBT

It possesses the abrasion resistance that is characteristic to ultra-high molecular weight polyethylene.

Suzuki Method Ring Abrasion Test
Suzuki Method Ring Abrasion Test
Testing Temperature: 23ºC, Opposite Material: S45C, Load: 0.75MPa, Speed: 30m/min., Distance: 3km
Suzuki Method Ring Abrasion Test

Chemical resistanceStable against various chemicals

LUBMER L4000 Press Sheet (1 mm thickness)

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QuietUsed in silencer gears and rollers, etc

As a material that does not easily generate a squeaking noise even when combined with various packaging materials, it is ideal for automotive and OA component uses where quiet operation is required.

Suzuki Method Ring Abrasion Test
Suzuki Method Ring Abrasion Test
Testing Temperature: 23ºC, Opposite Material: Change the ring's material., Load: 0.2MPa, Speed: 30m/min.
Suzuki Method Ring Abrasion Test

ModifiersWhen added to engineering plastics, sliding properties are significantly enhanced

The modifying sliding property effects on nylon are superior to when PTFE is added.

Improved sliding properties compared to PTFE addition

PA6/LUBMER additive effects: friction coefficient
Suzuki Method Ring Abrasion Test
> Even with only a small amount added, the friction coefficient is reduced. The effects surpass those obtained when PTFE or molybdenum disulfide are added.
PA66/LUBMER additive effects: abrasion resistance
Suzuki Method Ring Abrasion Test
> Longer life is achieved thanks to minimal abrasive wear.
Suzuki Method Ring Abrasion Test
Testing Temperature: 23ºC, Opposite Material: S45C, Load: 0.75MPa, Speed: 30m/min., Distance: 3km
Suzuki Method Ring Abrasion Test

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