Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PMMA DR Atophina
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Plastic Datasheets
| Basic performance | Test Condition | Test Method | Atophina/DR |
|---|---|---|---|
| Water absorption rate | 浸水24hrs后增重 | ASTM D-570 | 0.4 % |
| melt mass-flow rate | ASTM D-1238 | 1.0 g/10min |
| Mechanical properties | Test Condition | Test Method | Atophina/DR |
|---|---|---|---|
| tensile strength | 初级应变速率0.1cm/cm/min | ASTM D-638 | 390(38) 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 | 136(14) kg-cm(J) |
| Flexural modulus | ASTM D-790 | 19000 kgf/cm | |
| bending strength | 横跨比=16 | ASTM D-790 | 720(71) kgf/cm |
| Impact strength of cantilever beam gap | Izod研磨缺口 | ASTM D256 | 5.9(57.9) kgf-cm/cm(J/m) |
| physical property | Test Condition | Test Method | Atophina/DR |
|---|---|---|---|
| transmittance | ASTM D-1003 | 91 % | |
| density | ASTM D-792 | 1.15 | |
| Shrinkage rate | (冷模/冷件),48hrs | ASTM D-935 | 0.3-0.8 % |
| refractive index | ASTM D-542 | 1.49 | |
| Rockwell hardness | ASTM D-758（M级） | 45 |
| Thermal performance | Test Condition | Test Method | Atophina/DR |
|---|---|---|---|
| vicat | 50℃/hr,1kg | ASTM D-1525，未退火 | 98 ℃ |
| 50℃/hr,5kg | ASTM D-1525，未退火 | 86 ℃ | |
| Temperature range for use | 与残余应力大小有关 | 71-82 ℃ | |
| Heat distortion temperature | 2℃/min,18.6kgf/cm，退火，HDT | ASTM D-648 | 79 ℃ |
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