| About |
|---|
| HP-350 is a Polypropylene certified prime resin designed for injection molding of lightweight and thin-walled applications. HP-350 combines a good balance of high flow processability with high clarity, short cycling, excellent dimensional stability, good tensile strength and good surface finishing. HP-350 processing temperature is 215° to 235°C with mold at 20°-50°C. HP-350 complies with FDA regulation 21CFR 177.1520 and most international regulations concerning the use of Polypropylene in contact with food.&& |
| Product Description | |
|---|---|
| Generic | PP homopolymerization |
| Material Status | Commercial: Active |
| Features | Good Clarity,Good surface appearance,Good Dimensional Stability,High liquidity,Quick molding cycle,Food contact compliance,Good Tensile Strength,Homopolymer |
| Availabilitys | North America |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.903 | g/cm³ | ASTM D1505 |
| Melt Flow Rate | |||
| 230℃，2.16kg | 35 | g/10min | ASTM D1238 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | 32 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 93.0 | ℃ | ASTM D648 |
| Vicat Softening Temp | 152 | ℃ | ASTM D1525 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| R-level | 83 | ASTM D785 | |
| tensile strength | |||
| yield | 31.7 | MPa | ASTM D638 |
| Tensile strain | |||
| yield | 12 | % | ASTM D638 |
| Bending modulus | |||
| 1% secant | 1170 | MPa | ASTM D790 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Processing (melt) temperature | 215 to 235 | °C | |
| Mold temperature | 20 to 50 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 2.0 in/min |
| 3. 0.051 in/min |
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