| About |
|---|
| Texin 4215 resin is a blend of polyester-based polyurethane and polycarbonate. This aromatic grade has a Shore hardness of approximately 75D. It can be processed by injection molding or extrusion.&& |
| Product Description | |
|---|---|
| Supplier | Covestro |
| Generic | PC+TPU |
| Material Status | Commercial: Active |
| Features | Good Rigidity,High impact resistance,Antifreeze,HB |
| Availabilitys | North America |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.21 | g/cm³ | ASTM D792 |
| Density | 1.21 | g/cm³ | ISO 1183 |
| Shrinkage rate | ISO 2577 | ||
| TD：2.54 mm | 0.80 | % | ASTM D955 |
| MD：2.54 mm | 0.80 | % | ASTM D955 |
| TD：2.54 mm | 0.80 | % | ISO 2577 |
| MD：2.54 mm | 0.80 | % | ISO 2577 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s D | 75 | ISO 868 | |
| Shaw’s D | 75 | ASTM D2240 | |
| Bending modulus | |||
| 23℃ | 1100 | MPa | ISO 178 |
| 23℃ | 1100 | MPa | ASTM D790 |
| Taber abraser | |||
| 1000 cycles, 1000 g, H-18 wheels | 85.0 | mg | ISO 4649 |
| 1000 cycles, 1000 g, H-18 wheels | 85.0 | mg | ASTM D1044 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| yield | 45.5 | MPa | ISO 37 |
| yield | 45.5 | MPa | ASTM D412 |
| Tensile strain | |||
| fracture | 130 | % | ASTM D412 |
| fracture | 130 | % | ISO 37 |
| tear strength | 167 | kN/m | ASTM D624 |
| tear strength | 170 | kN/m | ISO 34-1 |
| Basho’s elasticity | 52 | % | ASTM D2632 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | ASTM D256 | ||
| -30℃，3.2mm | 80 | J/m | ASTM D256 |
| 23℃，3.2mm | 960 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 74.0 | ℃ | ASTM D648 |
| 1.8 MPa, unannealed | 74.0 | ℃ | ISO 75-2/A |
| 0.45 MPa, unannealed | 108 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed | 108 | ℃ | ISO 75-2/B |
| Embrittlement temperature | < -68.0 | ℃ | ASTM D746 |
| Embrittlement temperature | < -68.0 | ℃ | ISO 974 |
| Glass transition temperature | -35.0 | ℃ | DMA |
| Vicat Softening Temp | 140 | ℃ | ASTM D1525 3 |
| Vicat Softening Temp | 140 | ℃ | ISO 306/50 |
| Linear coefficient of thermal expansion | |||
| MD | 9.0E-5 | 1/℃ | ASTM D696 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | HB | UL 94 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Compression load | ASTM D575 | ||
| 10% deflection | 31.7 | MPa | ASTM D575 |
| 15% deflection | 41.4 | MPa | ASTM D575 |
| 2% deflection | 3.45 | MPa | ASTM D575 |
| 20% deflection | 56.5 | MPa | ASTM D575 |
| 25% deflection | 68.9 | MPa | ASTM D575 |
| 5% deflection | 13.8 | MPa | ASTM D575 |
| 50% deflection | 130 | MPa | ASTM D575 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Extrusion | Nominal value | Unit | Test method |
| Drying temperature – hot air dryer | 115 to 120 | °C | |
| Drying time – hot air dryer | 2.0 | hr | |
| Recommended maximum moisture content | < 0.030 | % | |
| Recommended injection volume | 40 to 80 | % | |
| Proposed maximum recycled material ratio | 20 | % | |
| Barrel rear temperature | 221 to 232 | °C | |
| Barrel middle temperature | 227 to 238 | °C | |
| Barrel front temperature | 227 to 238 | °C | |
| Nozzle temperature | 227 to 241 | °C | |
| Processing (melt) temperature | 232 to 238 | °C | |
| Mold temperature | 16 to 43 | °C | |
| Injection pressure | 41.4 to 103 | MPa | |
| Injection speed | Slow-Moderate | ||
| Hold pressure | 27.6 to 55.2 | MPa | |
| Back pressure | 0.345 to 1.38 | MPa | |
| Screw speed | 40 to 80 | rpm | |
| Clamping force | 4.1 to 6.9 | kN/cm² | |
| Cushion | < 3.18 | mm | |
| Screw length to diameter ratio | 20.0:1.0 | ||
| Screw compression ratio | 2.5:1.0 to 3.0:1.0 | ||
| Drying temperature | 115 to 120 | °C | |
| Drying time | 2.0 | hr | |
| Barrel 1 zone temperature | 210 to 227 | °C | |
| Barrel 2 zone temperature | 216 to 232 | °C | |
| Barrel 3 zone temperature | 216 to 238 | °C | |
| Melt temperature | 232 to 243 | °C | |
| Nozzle temperature | 221 to 243 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Die C |
| 3. Rate A (50°C/h) |
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