UHMWP
- Ultra-high molecular weight polyethylene is a linear thermoplastic engineering plastic. Its core characteristic is extremely high molecular weight, typically above 1.5 million. This ultra-long molecular chain structure endows it with a series of exceptionally superior properties, making it an ideal alternative to metals, other plastics, and even ceramics in many harsh operating conditions.
UHMWPE ROD
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I. Specifications & Technical Parameters
| Parameter Category | Specific Parameter | Typical Range | Remarks |
|---|---|---|---|
| Reference Standard | UHMWPE Rod Material | GB/T (or relevant national standards), ISO (or international standards), enterprise internal control standards | |
| Size Specifications | Diameter | 5 mm – 500 mm+ (typically φ10–φ300 mm) | Larger diameters available on request; standard range: φ10–φ300 mm. |
| Length | 1 m, 2 m, 3 m (custom cutting available) | Custom lengths supported; small-diameter rods can be supplied in coil form. | |
| Molecular Properties | Molecular Weight | 3 million / 5 million+ / 8–9 million+ grade | |
| Physical Properties | Density | 0.93 – 0.98 g/cm³ | |
| Tensile Strength | 20 – 45 MPa | ||
| Impact Strength (Unnotched) | 150 kJ/m² | ||
| Coefficient of Friction (Dynamic) | 0.05 – 0.2 | Excellent self-lubrication; significantly reduces friction and energy consumption. | |
| Long-Term Use Temperature | –100°C to +80°C (short-term up to +100°C) | ||
| Water Absorption Rate | 0.01% | Extremely low absorption ensures dimensional stability over time. | |
| Shore Hardness | D 50–75 | ||
| Color | Color | White (natural), black, green, blue, yellow, red; custom colors available | Full color customization supported. |
| Modification Options | Lubrication Modification | MoS₂, silicone oil, etc. | Further reduces friction; enhances wear resistance and anti-stick performance for high-sliding applications. |
| Strength Enhancement | Glass fiber (GF), carbon fiber (CF) | Improves strength, rigidity, and dimensional stability; ideal for structural or heavy-duty use. | |
| Weather Resistance | UV stabilizers | Resists outdoor aging; extends service life in sunlight-exposed environments. | |
| Flame Retardant | Flame retardant additives | Achieves fire safety ratings (e.g., UL94 V-0); suitable for regulated environments. | |
| Conductive / Antistatic | Conductive carbon black, carbon fiber | Provides ESD or conductivity; prevents static buildup and associated hazards. |