We use the PMMA material in the following processes：
- plastic injection moulding
- thermoplastic structure foaming (TSF)
PMMA Material Datasheet:
| 特性 Property | 测试方法 Test Method | 测试条件 | 单位Unit | 注塑级PMMA |
|---|---|---|---|---|
| 引张强度 Tensile Strength | ASTM D638 | 1/8", 6 mm/min. | Kg/cm² | 650 |
| 延伸率 Tensile Elongation | ASTM D638 | 1/8", 6 mm/min. | % | 5.0 |
| 弯曲强度 Flexural Strength | ASTM D790 | 1/4", 2.8 mm/min. | Kg/cm² | 930 |
| 弯曲弹性率 Flexural Modulus | ASTM D790 | 1/4", 2.8 mm/min. | Kg/cm² | – |
| IZOD冲击强度 IZOD Impact Strength | ASTM D256 (Notched) | 1/4", 23°C 1/8", 23°C | Kg-cm/cm Kg-cm/cm | 2.0 – |
| 流动系数 Melt Flow Index | ASTM D1238 | 200°C, 3.8 Kg | g/10min | 16 |
| 硬度 Hardness | ASTM D785 | 1/2" | R Scale | 113 |
| 密度 Density | ASTM D792 | 23°C | g/cm³ | 84 |
| 软化点 Vicat Softening Temp. | ASTM D1525 | 1/8", 50 °C/ hr | °C | 102 |
| 热变形温度H.D.T Annealed(85°C, 8hr ) Unannealed | ASTM D648 | 1/4", 120 °C/ hr | °C | 90 |
| 燃烧率 Flammability | UL94 | – | – | HB |