Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PMMA V920 Atophina
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Plastic Datasheets
| Basic performance | Test Condition | Test Method | Atophina/V920 |
|---|---|---|---|
| Water absorption rate | 浸水24hrs后增重 | ASTM D-570 | 0.3 % |
| melt mass-flow rate | ASTM D-1238 | 8.0 g/10min |
| Mechanical properties | Test Condition | Test Method | Atophina/V920 |
|---|---|---|---|
| tensile strength | 初级应变速率0.1cm/cm/min | ASTM D-638 | 700(69) kgf/cm |
| Impact strength of cantilever beam gap | 落锤(15.2×15.2×0.3cm重1.4kg半径0.64cm) | ASTM D256 | 14(1.4) kg-cm(J) |
| Flexural modulus | ASTM D-790 | 32000 kgf/cm | |
| bending strength | 横跨比=16 | ASTM D-790 | 1050(103) kgf/cm |
| Impact strength of cantilever beam gap | Izod研磨缺口 | ASTM D256 | 1.2(12.3) kgf-cm/cm(J/m) |
| physical property | Test Condition | Test Method | Atophina/V920 |
|---|---|---|---|
| transmittance | ASTM D-1003 | 92 % | |
| density | ASTM D-792 | 1.19 | |
| Rockwell hardness | ASTM D-1525，未退火 | 95 | |
| Shrinkage rate | (冷模/冷件),48hrs | ASTM D-935 | 0.2-0.6 % |
| refractive index | ASTM D-542 | 1.49 |
| Thermal performance | Test Condition | Test Method | Atophina/V920 |
|---|---|---|---|
| Glass Transition Temperature | Tg | 100 ℃ | |
| vicat | 50℃/hr,1kg | ASTM D-1525，未退火 | 100 ℃ |
| 50℃/hr,5kg | ASTM D-1525，未退火 | 91 ℃ | |
| Temperature range for use | 与残余应力大小有关 | 71-85 ℃ | |
| Heat distortion temperature | 2℃/min,18.6kgf/cm，退火，HDT | ASTM D-648 | 91 ℃ |
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