| About |
|---|
| Product Description | |
|---|---|
| Supplier | Sumitomo |
| Generic | PMMA |
| Material Status | Commercial: Active |
| Features | Good liquidity,Optical performance,HB |
| Availabilitys | North America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.19 | JIS K7112 | |
| Melt Flow Rate | |||
| 230℃，3.80kg | 20.0 | g/10min | JIS K7210 |
| Shrinkage rate | |||
| MD | 0.20 to 0.60 | % | ASTM D955 |
| Water absorption rate | |||
| 24hr | 0.30 | % | JIS K7209 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | 1.1 | kJ/m² | JIS K7110 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, annealed | 92.0 | ℃ | JIS K7207 |
| Vicat Softening Temp | |||
| B50 | 103 | ℃ | JIS K7206 |
| Linear coefficient of thermal expansion | |||
| MD | 7.0E-5 | 1/℃ | ASTM D696 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | > 1.0E+16 | ohms | JIS K6911 |
| Volume resistivity | > 1.0E+15 | ohms·cm | JIS K6911 |
| Dielectric constant | 3.10 | JIS K6911 | |
| Dissipation factor | 0.040 | JIS K6911 | |
| insulation resistance | > 1.0E+15 | ohms | JIS K6911 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 1.60 mm, all colors | HB | UL 94 | |
| Burning rate | 30 | mm/min | ASTM D63 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Refractive index | 1.490 | JIS K7105 | |
| Transmittance | 93.0 | % | JIS K7105 |
| Haze | < 0.50 | % | JIS K7105 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Electrical resistance | 20.0 | kV/min | JIS K6911 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | 70.0 | MPa | JIS K7113 |
| Tensile strain | |||
| fracture | 3 | % | JIS K7113 |
| Bending modulus | 3100 | MPa | JIS K7203 |
| Rockwell hardness | |||
| M-level | 95 | JIS K7202 |
| Process Conditions | |||
|---|---|---|---|
| Injection | Nominal value | Unit | Test method |
| drying temperature | 80 to 90 | °C | “null” |
| Drying time | 4.0 to 6.0 | hr | “null” |
| Temperature at the rear of the barrel | 220 to 260 | °C | “null” |
| Temperature in the middle of the barrel | 220 to 260 | °C | “null” |
| Front temperature of material barrel | 220 to 260 | °C | “null” |
| Mold temperature | 60 to 85 | °C | “null” |
| Injection pressure | 78.5 to 137 | MPa | “null” |
| Notes |
|---|
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