myRazalen® Q121 GR20 is a polypropylene (PP) homopolymer grade reinforced with 20 % glass fiber. It is suitable for processing by injection molding. Used in automotive under the hood applications.
Details Compound
Product Type
Reinforced with
Applications
Producer
Chemical Composition
polypropylene (PP) homopolymer
Advantages
- good toughness and rigidity balance
Other Applications
automotive under the hood applications
Technical data
| Quantity | Value | Unit | Comment |
|---|---|---|---|
| dry Time | 2 - 4 | hr | |
| Processing Temperature | 220 - 240 | ºC | |
| Appearance Properties | |||
| Physical state | Granulated | ||
| Appearance | Black | ||
| Physical Properties | |||
| Shrinkage | 0.4 | % | ASTM D955; Linear |
| MFI | 5 | g/10min | ASTM D1238;230°C, 2.16 kg |
| Density | 1.03 | g/ml | ASTM D792 |
| Thermal Properties | |||
| Heat Deflection temperature | 132 | ºC | ASTM D648;at 1.8 MPa, Unannealed |
| Heat Deflection temperature | 155 | ºC | ASTM D648;at 0.46 MPa, Unannealed |
| Mechanical Properties | |||
| (Izod impact strength(notched | 8 | kJ/m² | ASTM D256; at 23°C |
| Flexural modulus-MD | 4000 | MPa | ASTM D790 |
| Flexural strength | 100 | MPa | ASTM D790 |
| Elongation at break-MD | 4 | % | ASTM D638 |
| Tensile Stress at yield-MD | 65 | MPa | ASTM D638 |
| Process Properties | |||
| Drying Temperature | 80 - 100 | ºC | |
| Middle Barrel Temperature | 210 - 220 | ºC | |
| Mold Temperature | 40 - 80 | ºC | |
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