Introduction
Procurement specifications for engineering plastics often focus on two key metrics: Density and Shore D Hardness. For buyers selecting PE1000 (UHMWPE), these numbers are the primary indicators of material quality, molecular weight, and suitability for the job.
JSLT Polymers provides this guide to help you interpret the physical data on your next technical inquiry.
1. Density: Why it Matters for Shipping and Sizing
Standard PE1000 has a density of approximately 0.93 - 0.95 g/cm³.
- **Floatability:** PE1000 is one of the few engineering plastics that floats in water.
- **Verification:** If a "PE1000" sheet is too heavy (e.g., density over 1.0), it may contain heavy fillers or be a different polymer entirely.
- **Nesting:** Knowing the density allows for precise weight calculation for sea-freight logistics.
2. Shore D Hardness: The Balance of Toughness
Hardness is measured using the Shore D scale. For JSLT PE1000, this typically falls between 62 and 68.
- **Impact vs. Abrasion:** A higher hardness usually improves abrasion resistance but can make a material more brittle. PE1000 achieves the perfect "sweet spot"—it is hard enough to resist wear but flexible enough to absorb massive impacts without cracking.
- **Machining:** This hardness level makes the material easy to drill, mill, and turn into precision components.
3. Comparison of Typical Properties
| Material | Density (g/cm³) | Shore D Hardness |
|---|---|---|
| **PE1000 (UHMWPE)** | 0.93 | 64 |
| **Nylon PA6** | 1.15 | 82 |
| **POM (Acetal)** | 1.41 | 85 |
| **HDPE** | 0.95 | 60 |
### Conclusion
Density and hardness are the fundamental data points for any polymer design. JSLT provides a full Certificate of Analysis (COA) with every shipment to ensure your project meets its engineering targets.
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🔗 Material Guide: UHMWPE vs Nylon Comparison
