| About |
|---|
| CYREX 953 alloy is an opaque, acrylic-polycarbonate alloy with an impact strength that is higher than polycarbonate. Typical properties of CYREX® acrylic-polycarbonate alloys are: outstanding impact strength and toughness excellent processing characteristics very good chemical resistance good heat resistance The special properties of CYREX 953 alloy are: high impact strength at cold temperature high melt flow rate Application: Used for injection molding and extrusion of both thin and thick wall applications.&& |
| Product Description | |
|---|---|
| Supplier | Evonik |
| Generic | PC+ PMMA |
| Material Status | Commercial: Active |
| Features | Excellent Processability,Good flexibility,High impact resistance,Heat Resistance, Good,Solvent resistance |
| Availabilitys | North America,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.15 | g/cm³ | ASTM D792 |
| Apparent density | 0.65 | g/cm³ | ASTM D1895 |
| Melt Flow Rate | |||
| 230℃，3.80kg | 1.9 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD | 0.40 to 0.80 | % | ASTM D955 |
| Water absorption rate | |||
| saturated | 0.26 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | ASTM D256 | ||
| 0℃，3.2mm | 910 | J/m | ASTM D256 |
| 23℃，3.2mm | 1400 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, annealed | 103 | ℃ | ASTM D648 |
| Vicat Softening Temp | 135 | ℃ | ASTM D1525 |
| Linear coefficient of thermal expansion | |||
| MD：0~100℃ | 9.4E-5 | 1/℃ | ASTM D696 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Transmittance | Opaque | ASTM D1003 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 2070 | MPa | ASTM D638 |
| tensile strength | 54.2 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 88 | % | ASTM D638 |
| yield | 4.2 | % | ASTM D638 |
| Bending modulus | 2070 | MPa | ASTM D790 |
| bending strength | 86.2 | MPa | ASTM D790 |
| Rockwell hardness | |||
| M-level | 44 | ASTM D785 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 82 | °C | |
| Drying time | 3.0 to 4.0 | hr | |
| Barrel rear temperature | 199 to 266 | °C | |
| Barrel middle temperature | 238 to 266 | °C | |
| Barrel front temperature | 199 to 266 | °C | |
| Nozzle temperature | 199 to 266 | °C | |
| Processing (melt) temperature | 238 to 266 | °C | |
| Mold temperature | 66 to 99 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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