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
|