myRazalen® Q121 CR20 is a black colored polypropylene (PP) grade reinforced with 20 % calcium carbonate. It is suitable for processing by injection molding. Used in various industrial and high performance applications.
Details Compound
Product Type
Reinforced with
Applications
Producer
Chemical Composition
polypropylene (PP)
Advantages
- high stiffness
- good scratch resistance
Other Applications
various industrial and high performance applications
Technical data
| Quantity | Value | Unit | Comment |
|---|---|---|---|
| Processing Temperature | 220 - 240 | ºC | |
| dry Time | 2 - 4 | hr | |
| Appearance Properties | |||
| Physical state | Granulated | ||
| Appearance | Black | ||
| Physical Properties | |||
| Shrinkage | 1.1 | % | ASTM D955; Linear |
| MFI | 10 | g/10min | ASTM D1238;230°C, 2.16 kg |
| Density | 1.05 | g/ml | ASTM D792 |
| Thermal Properties | |||
| Vicat softening temperature | 110 | ºC | ASTM D 1525 |
| Heat Deflection temperature | 115 | ºC | ASTM D648;at 66 psi (0.46 MPa), Unannealed |
| Mechanical Properties | |||
| Izod impact strength (notched) | 30 | J/m | ASTM D256; at 23°C |
| Flexural modulus-MD | 2400 | MPa | ASTM D790 |
| Flexural strength | 40 | MPa | ASTM D790 |
| Tensile Stress at yield-MD | 20 | MPa | ASTM D638 |
| Elongation at break-MD | 50 | % | ASTM D638 |
| Process Properties | |||
| Mold Temperature | 40 - 70 | ºC | |
| Middle Barrel Temperature | 205 - 210 | ºC | |
| Drying Temperature | 80 - 100 | ºC | |
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