| About |
|---|
| XIRAN® SG260 are styrene maleic anhydride (SMA) based injection molding compounds with: high thermal stability high dimensional stability excellent surface adhesion properties This product is available in extra black (XIRAN® SG260EB). XIRAN® SG260 is a 30% glass filled injection molding compound designed for applications with high stiffness-strength. These products are very suitable for painted and foamed parts, high temperature resistance and precision parts with high shot to shot consistency.&& |
| Product Description | |
|---|---|
| Generic | Styrene-maleic anhydride copolymer |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Good Dimensional Stability,Foaming performance,Sprayable,High Heat Resistance,Good bond,Heat Stabilized |
| Availabilitys | Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.27 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 240℃，10.0kg | 2.5 | g/10min | ISO 1133 |
| Spiral flow length | 26.0 | cm | Internal Method |
| Shrinkage rate | |||
| TD | 0.53 | % | |
| MD | 0.21 | % | |
| Water absorption rate | |||
| Equilibrium, 23 ℃, 50% RH | 0.20 | % | ISO 62 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 8500 | MPa | ISO 527-2 |
| tensile strength | |||
| fracture | 90.0 | MPa | ISO 527-2 |
| Tensile strain | |||
| fracture | 2.0 | % | ISO 527-2 |
| Bending modulus | 8500 | MPa | ISO 178 |
| bending strength | 150 | MPa | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | |||
| -40℃ | 8.0 | kJ/m² | |
| 23℃ | 9.0 | kJ/m² | |
| Charpy Unnotch Impact strength | |||
| -40℃ | 34 | kJ/m² | |
| 23℃ | 30 | kJ/m² | |
| Impact strength of cantilever beam notch | |||
| -40℃ | 8.0 | kJ/m² | |
| 23℃ | 9.0 | kJ/m² |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 120 | ℃ | ISO 75-2/A |
| Vicat Softening Temp | 118 | ℃ | ISO 306/B |
| Linear coefficient of thermal expansion | |||
| MD：-30~80℃ | 2.9E-5 | 1/℃ | |
| TD：-30~80℃ | 4.7E-5 | 1/℃ |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | HB | UL 94 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 80 to 90 | °C | |
| Drying time | 2.0 to 3.0 | hr | |
| Barrel rear temperature | 240 to 295 | °C | |
| Barrel middle temperature | 240 to 295 | °C | |
| Barrel front temperature | 240 to 295 | °C | |
| Nozzle temperature | 240 to 295 | °C | |
| Processing (melt) temperature | < 295 | °C | |
| Back pressure | 0.500 to 1.50 | MPa | |
| Screw speed | 18 to 36 | rpm | |
| Mold Temperature | |||
| non visible parts | 40 to 80 | °C | |
| visible parts | 85 to 100 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Mold Temperature: 149°F, Melt Temperature: 482°F, Injection Pressure: 1.02E+3 psi |
| 3. Measured according to the Autodesk Mold flow Plastics Labs using a tag mold. |
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