| About |
|---|
| GT 275 is a 20% mineral filled polypropylene compound intended for injection moulding. The product is available in natural (GT 275) but other colours can be provided on request. GT 275 has an good balance between the impact strength and show very good antistatic performance, excellent scratch resistance, UV stabilised. APPLICATIONS Automotive interior parts Motor housing&& |
| Product Description | |
|---|---|
| Generic | PP not specified |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Weather resistance is good,Antistatic property,High scratch resistance,HB |
| Availabilitys | Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.05 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 230℃，2.16kg | 20 | g/10min | ISO 1133 |
| Shrinkage rate | |||
| MD：23℃ | 1.2 | % | ISO 294-4 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| Yield, 23 ℃, injection molding | 25.0 | MPa | ISO 527-2/50 |
| Tensile strain | |||
| Yield, 23 ℃, injection molding | 3.0 | % | ISO 527-2/50 |
| Bending modulus | |||
| 23 ℃, injection molding | 2450 | MPa | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -20 ℃, injection molding | 2.0 | kJ/m² | ISO 179/1eA |
| 23 ℃, injection molding | 4.5 | kJ/m² | ISO 179/1eA |
| Charpy Unnotch Impact strength | ISO 179/1eU | ||
| -20 ℃, injection molding | 25 | kJ/m² | ISO 179/1eU |
| 23 ℃, injection molding | 59 | kJ/m² | ISO 179/1eU |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 110 | ℃ | ISO 75-2/B |
| 1.8 MPa, unannealed | 60.0 | ℃ | ISO 75-2/A |
| Vicat Softening Temp | |||
| — | 148 | ℃ | ISO 306/A |
| — | 68.0 | ℃ | ISO 306/B |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | HB | UL 94 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 80 | °C | |
| Drying time | 3.0 | hr | |
| Processing (melt) temperature | 210 to 260 | °C | |
| Mold temperature | 30 to 50 | °C | |
| Injection speed | 中等 | ||
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 0.079 in/min |
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