| About |
|---|
| C-Clear™ K8272 is a high impact strength and super high heat resistance PC/ABS resin with low VOCs. C-Clear™ K8272 has been widely used in Auto and Household appliance,such as panel , car lamp and so on.&& |
| Product Description | |
|---|---|
| Supplier | KumhoSunny |
| Generic | PC+ABS |
| Material Status | Commercial: Active |
| Features | High impact resistance,High Heat Resistance,Low odor |
| Availabilitys | Asia Pacific |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.14 | g/cm³ | ISO 1183 |
| Shrinkage rate | |||
| 23℃ | 0.50 to 0.70 | % | ISO 294-4 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | 58.0 | MPa | ISO 527-2/50 |
| Bending modulus | 2300 | MPa | ISO 178 |
| bending strength | 76.0 | MPa | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179 | ||
| -30℃ | 35 | kJ/m² | ISO 179 |
| 23℃ | 55 | kJ/m² | ISO 179 |
| Charpy Unnotch Impact strength | |||
| 23℃ | 无断裂 | ISO 179 | |
| Impact strength of cantilever beam notch | |||
| 23℃ | 52 | kJ/m² | ISO 180 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 110 | ℃ | ISO 75-2/A |
| Vicat Softening Temp | |||
| B50 | 126 | ℃ | ISO 306 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | > 1.0E+15 | ohms | IEC 60093 |
| Volume resistivity | > 1.0E+15 | ohms·cm | IEC 60093 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 100 to 110 | °C | |
| Drying time | 4.0 to 6.0 | hr | |
| Recommended maximum moisture content | 0.020 | % | |
| Barrel rear temperature | 220 to 230 | °C | |
| Barrel middle temperature | 240 to 250 | °C | |
| Barrel front temperature | 260 to 270 | °C | |
| Nozzle temperature | 250 to 260 | °C | |
| Processing (melt) temperature | 250 to 270 | °C | |
| Mold temperature | 60 to 80 | °C | |
| Back pressure | 0.300 to 1.00 | MPa | |
| Screw speed | 30 to 70 | rpm | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 0.079 in/min |
| 3. Condition: 4 J |
| 4. Condition: 5.5 J |
| 5. 120°C/h |
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