Modified PP Automotive Materials
1.High Impact, Low temperature
2.High rigidity, Low shrinkage
3.Bumpers, dashboards etc.
Modified PP Automotive Materials
1. Performance
(ITEM) | (UNIT) | (STANDARD) | PP-1 | PP-2 | PP-3 | PP-4 | PP-5 |
Tensile Strength | MPa | ISO 527-2 | 18 | 20 | 22 | 27 | 35 |
Tensile Elongation | % | ISO 527-2 | 400 | 150 | 200 | 100 | 25 |
Flexural Strength | MPa | ISO 178 | 18 | 30 | 32 | 42 | 55 |
Flexural Module | MPa | ISO 178 | 1000 | 2000 | 2000 | 2100 | 3500 |
Charpy Notch Impact | KJ/m2 | ISO 179-1 | 50 | 40 | 25 | 9 | 4.5 |
Izod Notch Impact | KJ/m2 | ISO 180 | 45 | 35 | 20 | 8 | 3.5 |
Melt flow rate
| g/10min | ISO 1133 | 4-8 | 15-25 | 10-20 | 8-15 | 3-8 |
Mass Density | g/cm3 | ISO 1183 | 0.97 | 1.03 | 1.03 | 1.03 | 1.2 |
H.D.T | °C | ISO 75 | 90 | 135 | 110 | 130 | 140 |
Shrinkage For Injection Molding | % | GB/T-15585 | 1.2-1.5 | 0.5-0.7 | 1.1-1.3 | 1.0-1.3 | 0.5-0.8 |
Characteristics |
|
| High Impact
| High rigidity
| General | High rigidity | High rigidity
|
Application |
|
| Bumpers | Bumpers, dashboards
| Interior,
| dashboards | Filter housing
|
2.Modified PP Automotive Materials
By PP and elastomers, rigid particle compound modification, can increase the PP of the low temperature toughness and heat resistance, aging resistance, weather resistance, reduce mold shrinkage, can be widely used in automobile bumpers, steering wheel, instrument panel and interior , heater hood, fenders, front door shield assembly, filter housing and other components.
3.Recommended processing conditions:
Drying temperature :90-100, 2H
Feeding section: 200 ~ 210 °C the middle section: 210 ~ 240 °C nozzle section: 210 ~ 230 °C
Injection pressure of 50 ~ 90MPa
Holding pressure 40 ~ 70 Mpa
Mold temperature 30 ~ 50 °C
Back pressure 5 ~ 10 Mpa
