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 properties
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| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Abrasion | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Coefficient of Expansion | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Coefficient of Friction (COF) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Limit PV Value | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index) | 0.0 Visible After Login | Visible After Login | Visible After Login |