So sánh vật liệu
Thông số kỹ thuật
| impact performance | Điều kiện kiểm tra | Phương pháp kiểm tra | SABIC INNOVATIVE MEXICO/R2000 GYMDNAT |
|---|---|---|---|
| Suspended wall beam without notch impact strength | 23°C4 | ISO 180/1U | 140 kJ/m² |
| 23°C | ASTM D4812 | 1700 J/m |
| mechanical properties | Điều kiện kiểm tra | Phương pháp kiểm tra | SABIC INNOVATIVE MEXICO/R2000 GYMDNAT |
|---|---|---|---|
| tensile strength | Yield | ASTM D638 | 56.0 Mpa |
| elongation | Break | ISO 527-2 | 32 % |
| Tensile modulus | ASTM D638 | 2410 Mpa | |
| Bending modulus | -- | ISO 178 | 2000 Mpa |
| tensile strength | Break | ISO 527-2 | 53.0 Mpa |
| elongation | Break | ASTM D638 | 27 % |
| tensile strength | Break | ASTM D638 | 55.0 Mpa |
| bending strength | -- | ASTM D790 | 82.0 Mpa |
| Wear factor | ASTM D3702 | 1.0E+7 10^-8 mm³/N·m | |
| Friction coefficient | Static | ASTM D3702 | 0.27 |
| Dynamic | ASTM D3702 | 0.36 | |
| elongation | Yield | ASTM D638 | 14 % |
| Bending modulus | -- | ASTM D790 | 2310 Mpa |
| bending strength | -- | ISO 178 | 65.0 Mpa |
| injection | Điều kiện kiểm tra | Phương pháp kiểm tra | SABIC INNOVATIVE MEXICO/R2000 GYMDNAT |
|---|---|---|---|
| drying time | 4.0 hr | ||
| Screw speed | 30 to 60 rpm | ||
| Suggested maximum moisture content | 0.15 to 0.25 % | ||
| Temperature in the middle of the barrel | 280 to 295 °C | ||
| Mold temperature | 80 to 95 °C | ||
| Temperature at the rear of the barrel | 265 to 275 °C | ||
| Processing (melt) temperature | 270 to 280 °C | ||
| drying temperature | 80 °C | ||
| Temperature at the front of the material cylinder | 295 to 305 °C | ||
| Back pressure | 0.200 to 0.300 Mpa |
| thermal performance | Điều kiện kiểm tra | Phương pháp kiểm tra | SABIC INNOVATIVE MEXICO/R2000 GYMDNAT |
|---|---|---|---|
| Hot deformation temperature | 1.8 MPa, Unannealed, 4.00 mm, 64.0 mm Span4 | ISO 75-2/Af | 85.0 °C |
| 1.8 MPa, Unannealed, 3.20 mm | ASTM D648 | 77.0 °C | |
| Linear coefficient of thermal expansion | Across Flow : -40 to 40°C | ASTM E831 | 1.0E-4 cm/cm/°C |
| Flow : -40 to 40°C | ASTM E831 | 7.7E-5 cm/cm/°C |
| Physical properties | Điều kiện kiểm tra | Phương pháp kiểm tra | SABIC INNOVATIVE MEXICO/R2000 GYMDNAT |
|---|---|---|---|
| Water absorption rate | 24 hr, 50% RH | ASTM D570 | 0.25 % |
| Shrinkage rate | Flow : 24hr | ASTM D955 | 1.8 - 2.2 % |
| Across FlowFlow : 24hr | ASTM D955 | 2.1 - 3.1 % |
