Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
POM MT754 ASAHI JAPAN
TENAC™-C
Keyboard components
Low warpage、High rigidity、Mineral reinforcement
UL
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Plastic Datasheets
| Mechanical properties | Test Condition | Test Method | ASAHI JAPAN/MT754 |
|---|---|---|---|
| Rockwell hardness | ASTM D785 | 98 M | |
| bending strength | ASTM D790 | 108 Mpa | |
| Tensile modulus | ASTM D638/ISO 527 | 4900(MPa) kg/cm²(MPa)[Lb/in²] | |
| Impact strength of cantilever beam gap | ASTM D256 | 39 J/m | |
| elongation at break | ASTM D638 | 7 % | |
| Flexural modulus | ASTM D790 | 5880 Mpa | |
| tensile strength | ASTM D638 | 60 Mpa |
| other | Test Condition | Test Method | ASAHI JAPAN/MT754 |
|---|---|---|---|
| characteristic | 矿物填料 |
| Physical properties | Test Condition | Test Method | ASAHI JAPAN/MT754 |
|---|---|---|---|
| Shrinkage rate | ASTM D955 | 1.0-1.2 % | |
| density | ASTM D792/ISO 1183 | 1.58 |
| physical property | Test Condition | Test Method | ASAHI JAPAN/MT754 |
|---|---|---|---|
| Shrinkage rate | 垂直方向 | 旭化成法 | 1.0-1.2 % |
| 平行方向 | 旭化成法 | 1.0-1.2 % | |
| Water absorption rate | ASTM D570 | 0.2 % |
| Thermal performance | Test Condition | Test Method | ASAHI JAPAN/MT754 |
|---|---|---|---|
| Combustibility (rate) | UL 94 | HB | |
| melt mass-flow rate | ASTM D1238 | 20 g/10min | |
| Heat distortion temperature | 0.45MPa，HDT | ASTM D648 | 163 °C |
| 1.82MPa，HDT | ASTM D648 | 150 °C | |
| UL flame retardant rating | UL 94 | HB | |
| Linear coefficient of thermal expansion | TMA法 | 6 |
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