| About |
|---|
| XIRAN ® SG240 are styrene maleic anhydride (SMA) based injection molding compounds with: high thermal stability high dimensional stability excellent surface adhesion properties XIRAN ® SG240 is available in standard black (B) and in a natural version (N). XIRAN ® SG240 (B,N) XIRAN ® SG240 is a 20% 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,Good bond,Heat Stabilized,HB |
| Availabilitys | Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.20 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 240℃，10.0kg | 9.0 | g/10min | ISO 1133 |
| Spiral flow length | 26.0 | cm | Internal Method |
| Shrinkage rate | Internal Method | ||
| TD | 0.61 | % | Internal Method |
| MD | 0.25 | % | Internal Method |
| Water absorption rate | |||
| Equilibrium, 23 ℃, 50% RH | 0.20 | % | ASTM D570 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 6000 | MPa | ISO 527-2 |
| tensile strength | |||
| fracture | 80.0 | MPa | ISO 527-2 |
| Tensile strain | |||
| fracture | 2.4 | % | ISO 527-2 |
| Bending modulus | 6000 | MPa | ISO 178 |
| bending strength | 132 | MPa | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -40℃ | 9.0 | kJ/m² | ISO 179/1eA |
| 23℃ | 10 | kJ/m² | ISO 179/1eA |
| Charpy Unnotch Impact strength | ISO 179/1eU | ||
| -40℃ | 35 | kJ/m² | ISO 179/1eU |
| 23℃ | 30 | kJ/m² | ISO 179/1eU |
| Impact strength of cantilever beam notch | ISO 180/A | ||
| -40℃ | 9.0 | kJ/m² | ISO 180-A |
| 23℃ | 10 | kJ/m² | ISO 180-A |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 118 | ℃ | ISO 75-2/A |
| Vicat Softening Temp | 120 | ℃ | ISO 306/B |
| Linear coefficient of thermal expansion | |||
| TD：-30~80℃ | 5.5E-5 | 1/℃ | ASTM D696 |
| MD：-30~80℃ | 4.2E-5 | 1/℃ | ASTM D696 |
| 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 | 230 to 250 | °C | |
| Barrel middle temperature | 230 to 250 | °C | |
| Barrel front temperature | 230 to 250 | °C | |
| Nozzle temperature | 245 to 275 | °C | |
| Processing (melt) temperature | < 285 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 2 mm |
| 3. Measured according to the Autodesk Mold flow Plastics Labs using a tag mold. |
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