| About |
|---|
| EX870 is a High Specific Gravity grade, mineral filled, only available in greyish black and intended for injection moulding. EX870 has been developed for applications requesting a high density. This quality is used in medical applications that required X and gamma rays protection. EX870 combined good flow properties and provide facilities on plastic part design with low shrinkage, low warpage and good surface finished. In several applications, this High Specific Gravity quality can be used for ballasts and cosmetic applications. APPLICATIONS High density and such as: Building and construction Cosmetics mouldings Appliances&& |
| Product Description | |
|---|---|
| Generic | PP not specified |
| Material Status | Commercial: Active |
| Features | Low warping,Good surface appearance,Renewable resources,Good liquidity,Shielded X rays,Gamma radiation,Low contractility,High density,HB |
| Availabilitys | Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 5.27 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 230℃，2.16kg | 10 | g/10min | ISO 1133 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 2150 | MPa | ISO 527-2 |
| tensile strength | |||
| yield | 12.0 | MPa | ISO 527-2/50 |
| Bending modulus | 2050 | MPa | ISO 178 |
| bending strength | 26.0 | MPa | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | |||
| 23℃ | 6.0 | kJ/m² | ISO 179/1eA |
| Charpy Unnotch Impact strength | |||
| 23℃ | 25 | kJ/m² | ISO 179/1eU |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | HB | UL 94 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 80 | °C | |
| Drying time | 3.0 | hr | |
| Processing (melt) temperature | 210 to 270 | °C | |
| Mold temperature | 30 to 50 | °C | |
| Injection speed | 中等 | ||
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 2.0 in/min |
| 3. at Yield |
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