About |
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Plexiglas® HFI10G is an impact modified thermoplastic acrylic resin formulated for injection molding. This grade is formulated for approved medical applications and has improved gamma resistance compared to HFI10. It has high melt flow, enhanced mold release properties and provides 10 times the impact resistance of standard acrylics while maintaining excellent optical properties.&& |
Product Description | |
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Supplier | ROHM |
Generic | PMMA |
Material Status | Commercial: Active |
Features | Weather resistance is good,Good Clarity,Good flexibility,High impact resistance,Good Dimensional Stability,High liquidity,Gamma radiation,Low contractility,E-beam disinfection,Good color stability,No BPA,High scratch resistance,Heat Stabilized,Ethylene oxide disinfection,HB |
Availabilitys | North America |
Process Methods | Injection Molding |
Technical Data | |||
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PHYSICAL | Nominal value | Unit | Test method |
Density | 1.15 | g/cm³ | ASTM D792 |
Melt Flow Rate | |||
230℃,3.80kg | 3.3 | g/10min | ASTM D1238 |
Shrinkage rate | |||
MD | 0.30 to 0.80 | % | ASTM D955 |
Water absorption rate | |||
24hr | 0.40 | % | ASTM D570 |
IMPACT | Nominal value | Unit | Test method |
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Impact strength of cantilever beam notch | |||
23℃ | 48 | J/m | ASTM D256 |
THERMAL | Nominal value | Unit | Test method |
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Hot deformation temperature | |||
1.8 MPa, annealed | 79.4 | ℃ | ASTM D648 |
0.45 MPa, annealed | 88.9 | ℃ | ASTM D648 |
Vicat Softening Temp | |||
— | 93.9 | ℃ | ASTM D1525 3 |
— | 82.8 | ℃ | ASTM D1525 4 |
Thermal conductivity coefficient | 0.22 | W/m/K | ASTM C177 |
FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
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Flame retardant level | HB | UL 94 |
optical performance | Nominal value | Unit | Test method |
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Refractive index | 1.490 | ASTM D542 | |
Transmittance | |||
3180 µm | 90.0 | % | ASTM D1003 |
Haze | |||
3180 µm | < 1.0 | % | ASTM D1003 |
Supplementary information | Nominal value | Unit | Test method |
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ASTM Classification | PMMA 0231V3 | ASTM D788 |
MECHANICAL | Nominal value | Unit | Test method |
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Tensile modulus | 1860 | MPa | ASTM D638 |
tensile strength | |||
yield | 37.9 | MPa | ASTM D638 |
Tensile strain | |||
fracture | 50 | % | ASTM D638 |
Bending modulus | 1860 | MPa | ASTM D790 |
bending strength | |||
yield | 71.0 | MPa | ASTM D790 |
Rockwell hardness | |||
M-level | 38 | ASTM D785 |
Process Conditions | |||
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injection | Nominal value | Unit | Test method |
Drying temperature | 79 | °C | |
Drying time | 3.0 to 4.0 | hr | |
Barrel rear temperature | 227 to 249 | °C | |
Barrel middle temperature | 238 to 260 | °C | |
Barrel front temperature | 232 to 254 | °C | |
Nozzle temperature | 232 to 254 | °C | |
Processing (melt) temperature | 243 to 266 | °C | |
Mold temperature | 32 to 77 | °C | |
Screw speed | 50 to 100 | rpm |
Notes |
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1. Typical properties: these are not to be construed as specifications. |
2. Annealing cycle: 4hrs @ 176°F |
3. Rate A (50°C/h), Loading 1 (10 N) |
4. Rate A (50°C/h), Loading 2 (50 N) |
5. ND @ 72°F |
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