| About |
|---|
| Provisional – PP random co-polymer for Injection moulding QR6731K is specially developed for producing injection molded & ISBM articles with very high clarity at low processing temperatures and also has better impact properties than homo PP counterparts. This grade contains advance clarifier & anti-static agent. QR6731K has following features: Consistent processability Good stiffness Exceptional clarity Lower energy consumption & less cycle time due to low processing temperatures Typical Applications QR6731K can be used for clear houseware items, caps & closures, food containers, bottles (ISBM), lids and CD-boxes.&& |
| Product Description | |
|---|---|
| Supplier | SABIC |
| Generic | PP copolymer |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Excellent Processability,Good Clarity,High impact resistance,Quick molding cycle,Food contact compliance,Random copolymer,Antistatic property |
| Availabilitys | North America,Latin America |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.905 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 230℃，2.16kg | 25 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD | 1.2 to 2.0 | % | |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23 ℃, injection molding | 65 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 83.0 | ℃ | ASTM D648 |
| Vicat Softening Temp | 127 | ℃ | ASTM D1525 3 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| R-level | 94 | ASTM D785 | |
| tensile strength | |||
| Yield, injection molding | 28.0 | MPa | ASTM D638 |
| Tensile strain | |||
| Yield, injection molding | 12 | % | ASTM D638 |
| Bending modulus | |||
| 1% cut, injection molding | 1050 | MPa | ASTM D790-A |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Barrel rear temperature | 190 to 220 | °C | |
| Barrel middle temperature | 190 to 220 | °C | |
| Barrel front temperature | 190 to 220 | °C | |
| Mold temperature | 15 to 40 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 23°C |
| 3. Rate B (120°C/h) |
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