pmma mf-001 PMMA
类别：聚合物；热塑性塑料；丙烯酸（有机玻璃）；丙烯酸。
材料说明：acrypet®是注册商标标记的diapolyacrylate有限公司。
物性表：
| |
| Physical Properties |
Metric |
English |
Comments |
| Density |
1.19 g/cc |
0.0430 lb/in³ |
ASTM D792 |
| Water Absorption |
0.30 % |
0.30 % |
24 hrs.; ASTM D570 |
| Linear Mold Shrinkage |
0.0020 - 0.0060 cm/cm |
0.0020 - 0.0060 in/in |
ASTM D955 |
| Melt Flow |
14 g/10 min
@Load 3.80 kg,
Temperature 230 °C |
14 g/10 min
@Load 8.38 lb,
Temperature 446 °F |
ASTM D1238 |
| |
| Mechanical Properties |
Metric |
English |
Comments |
| Hardness, Rockwell M |
90 |
90 |
ASTM D785 |
| Tensile Strength at Break |
65.7 MPa |
9530 psi |
ASTM D638 |
| Elongation at Break |
4.0 % |
4.0 % |
ASTM D638 |
| Modulus of Elasticity |
3.23 GPa |
469 ksi |
ASTM D638 |
| Flexural Yield Strength |
98.04 MPa |
14220 psi |
ASTM D790 |
| Flexural Modulus |
3.040 GPa |
440.9 ksi |
ASTM D790 |
| Compressive Yield Strength |
97.9 MPa |
14200 psi |
ASTM D695 |
| Izod Impact, Notched |
0.196 J/cm |
0.368 ft-lb/in |
0.250 inches; ASTM D256 |
| Impact |
115 |
115 |
cm Falling Ball Impact |
| |
| Thermal Properties |
Metric |
English |
Comments |
| CTE, linear |
59.9 µm/m-°C
@Temperature 20.0 °C |
33.3 µin/in-°F
@Temperature 68.0 °F |
ASTM D696 |
| Specific Heat Capacity |
1.46 J/g-°C |
0.349 BTU/lb-°F |
|
| Thermal Conductivity |
0.209 W/m-K |
1.45 BTU-in/hr-ft²-°F |
ASTM D177 |
| Deflection Temperature at 1.8 MPa (264 psi) |
83.00 °C |
181.4 °F |
ASTM D648 |
| Vicat Softening Point |
98.00 °C |
208.4 °F |
ASTM D1525; 1 kg |
| |
| Optical Properties |
Metric |
English |
Comments |
| Refractive Index |
1.49 |
1.49 |
ASTM D542 |
| Transmission, Visible |
93 %
@Thickness 3.20 mm |
93 %
@Thickness 0.126 in |
ASTM D1003
|
|
图：
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