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| Material name | Shrinkage rate | Density | Temperature absorption | Weather resistance | Mechanical properties and chemical stability |
|---|---|---|---|---|---|
| AS | 0.2~0.7% | 1.06~1.10 | 0.5-0.66% | Moderate weather resistance | Poor fatigue resistance, less susceptible to cracking due to stress, 88-92% light transmission |
| ABS | 0.40~0.80% | 1.05 | 0.35% | Poor weather resistance | Chemically stable, resistant to acids, alkalis and salts, insoluble in alcohol |
| ABS+PC | 0.5% | 1.15 | — | Indoor UV stability | Excellent dimensional stability, good light stability, chemical stability |
| P\MA | 0.4~0.7% | 1.42 | 0.3~0.37% | Good weather resistance | Cold resistance, corrosion resistance, dimensional stability, light transmission 90-92% |
| POM | 2~3.5% | 1.42 | 0.4~0.45% | Exposure to the sun is easy to age | Fatigue resistance, good abrasion reduction, low water absorption, good dimensional stability |
| PP | 1.0~3.5% | 0.9 | 0.02% | Bad weather resistance | Good resistance to bending, can be repeatedly folded without damage, not high abrasion resistance |
| PS | 0.6~0.8% | 1.05 | 0.05% | Easy to appear turbidity and yellowing when exposed | Good chemical stability, not resistant to organic solvents such as benzene and petrol, good electrical insulation |
| PE | 1.5~3.6% | 0.9~0.96 | 0.03% | Good irradiation resistance | High impact strength, chemically stable, excellent corrosion resistance |
| PC | 0.5~0.8% | 1.2 | 0.18% | Resistance to aging | Rigid and tough, high impact strength, good dimensional stability, good creep resistance |
| PA | 1.01~1.02% | 1.14 | 3.00% | Good low temperature resistance, poor high temperature stability | High fatigue strength, good wear resistance and self-lubrication, dimensionally stable under humidity |
| PET | 1.3~1.57% | 1.37 | — | Good weather resistance | Outstanding strength and rigidity, high hardness, excellent wear resistance, not easily deformed, good dimensional stability |
| TPU | 1% | 1.05~1.25 | — | Good weather resistance | Tensile strength, compression properties, tear strength. Good resilience and abrasion resistance, flexural resistance, etc |
| TPR | 1.5~2.5% | 0.9~1.3 | — | Moderate weather resistance | Excellent colourability, soft to the touch, fatigue and temperature resistance, excellent softness to the touch |
| TPE | 1.5% | 0.9~1.3 | — | Good weather resistance and high temperature resistance | Fire rated to IL 94V-0, hardness 50A |