Low-cost, chemically resistant, food-safe — cutting boards, tank fabrications, chute liners, packers. Tough and easy to machine.
| Property | Typical value |
|---|---|
| Density | 950–965 kg/m³ |
| Yield | ~25 MPa (typical) |
| Tensile | ~30 MPa |
| Elongation | >500 % |
| Young's E | ~1.0–1.4 GPa |
| Hardness | ~64 Shore D |
| CTE | ~150 µm/m·K |
| Thermal cond. | ~0.45 W/m·K |
| Max service | ~80 °C |
| Poisson ν | ~0.46 |
| Shear modulus G | ~0.4 GPa (derived) |
| Shear strength | — |
| Specific heat | ~1900 J/kg·K |
| Melting point (Tm) | ~130–135 °C |
Machines easily; sharp tools, light cuts — springy. Very high thermal expansion: allow clearance.
Hot-gas/extrusion weldable (standard for tank fabrication); cannot be adhesive-bonded.
| System | Designation |
|---|---|
| EN | ISO 1043-1 "PE-HD"; ISO 17855 (PE300 is a trade class) |
| DIN | DIN 7728 PE-HD |
| ASTM | D4976 |
Equivalents & alternatives: PE300 (HDPE); PE500 (HMW), PE1000 (UHMW) up the wear scale. Alt: UHMW-PE (wear), PP (stiffer, higher temp).
Tough, wear-resistant nylon — gears, rollers, wear pads, bushes. Cast grade for larger sections.
Engineering plasticLow-friction, dimensionally stable engineering plastic — precision parts, gears, bushes, manifolds.
Engineering plasticChemically inert, very low friction, wide temperature range — seals, slides, insulators, chem parts.
Engineering plasticUltra-high wear + impact resistance, self-lubricating — wear strips, guides, chute liners, star wheels.
