| About |
|---|
| Safrene® D 7255 High Density Polyethylene Resin is suited to injection and compression moulding applications. Having excellent mechanical strength and toughness, as well as good environmental stress crack resistance, it is especially suitable for durable, thick-walled containers. Typical Applications Caps and closures Refuse bins Storage containers and crates&& |
| Product Description | |
|---|---|
| Generic | HDPE |
| Material Status | Commercial: Active |
| Features | Good Rigidity,High elastic,Food contact compliance,Durability,High ESCR |
| Availabilitys | Africa & Middle East |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.949 | g/cm³ | ISO 1183 |
| Melt Flow Rate | ISO 1133 | ||
| 190℃，2.16kg | 3.0 | g/10min | ISO 1133 |
| 190℃，5.0kg | 11 | g/10min | ISO 1133 |
| Spiral flow length | 39.0 | cm | Internal Method |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179 | ||
| -30 ℃, molded | 5.0 | kJ/m² | ISO 179 |
| 23 ℃, molded | 5.0 | kJ/m² | ISO 179 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Vicat Softening Temp | |||
| A50 | 124 | ℃ | ISO 306/A50 |
| B50 | 71.0 | ℃ | ISO 306 |
| Crystallization peak temperature | |||
| DSC | 130 to 133 | ℃ | ISO 3146 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s D, molded | 64 | ISO 868 | |
| tensile strength | ISO 527-2/50 | ||
| Yield, molding | 26.0 | MPa | ISO 527-2/50 |
| Fracture, molded | 30.0 | MPa | ISO 527-2/50 |
| Tensile strain | ISO 527-2/50 | ||
| Yield, molding | 11 | % | ISO 527-2/50 |
| Fracture, molded | > 800 | % | ISO 527-2/50 |
| Bending modulus | 1200 | MPa | ISO 178 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Processing (melt) temperature | 200 to 260 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Unannealed |
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