| About |
|---|
| LUBMER™ L4000 LUBMER™ L4000 is a High Molecular Weight Polyethylene material. It is available in North America. Primary attribute of LUBMER™ L4000: Flame Rated. Typical applications include: Engineering/Industrial Parts Automotive&&LUBMER™ L4000 LUBMER is a specially polyethylene developed by Mitusi Chemicals’ original polymerization technology. LUBMER has outstanding sliding properties, abrasion resistance and moldability. Especially, LUBMER is used for a wide range of applications for soundproofing parts of office automation equipments, automotive, electrical and electronic parts. In addition, LUBMER is making a significant contribution to the development of building materials, mechanical parts, etc.. attracting attention as a high-performance material that will build a future. Features: Sliding properties Food Safety Abrasion resistance Chemical resistance Electrical insulating properties Noiseless properties Applications: Electrical/office automation equipment parts Automotive parts General equipment parts, building materials, and other parts&& |
| Product Description | |
|---|---|
| Supplier | Mitsui |
| Generic | HMW-HDPE |
| Material Status | Commercial: Active |
| Features | HB |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.967 | g/cm³ | ASTM D792 |
| Shrinkage rate | |||
| TD：2.0 mm | 1.5 | % | ASTM D955 |
| MD：2.0 mm | 1.8 | % | ASTM D955 |
| Water absorption rate | |||
| 24hr | 0.010 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃，2mm | 190 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 80.0 | ℃ | ASTM D648 |
| Vicat Softening Temp | 130 | ℃ | ASTM D1525 4 |
| Linear coefficient of thermal expansion | |||
| MD | 1.3E-4 | 1/℃ | ASTM D696 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | 1.0E+17 | ohms·cm | ASTM D257 |
| Dielectric strength | 45 | kV/mm | ASTM D149 |
| Dielectric constant | |||
| 23℃ | 2.30 | ASTM D150 | |
| Dissipation factor | |||
| 1 MHz | 1.5E-4 | ASTM D150 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 1.60 mm | HB | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| Fracture, 23 ℃ | 41.0 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, 23 ℃ | 12 | % | ASTM D638 |
| Bending modulus | |||
| 23 ℃, 3 mm, 48 mm span | 1590 | MPa | ASTM D790 |
| bending strength | |||
| Yield, 23 ℃, 3 mm, 48 mm span | 37.0 | MPa | ASTM D790 |
| Rockwell hardness | |||
| R-level | 53 | ASTM D785 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Melt Temperature: 518°F |
| 3. Type IV, 2.0 in/min |
| 4. Type V, 2.0 in/min |
| 5. 0.20 in/min |
| 6. SUS 304 (surface roughness, 6S) |
| 7. Loading 1 (10 N) |
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