ASA INEOS Styrolution S778T
ASA INEOS Styrolution S778T
ASA INEOS Styrolution S778T is a terpolymer based on acrylonitrile‑styrene‑acrylate. It is well‑known for outstanding weather resistance and excellent surface quality, together with favorable dimensional stability, good mechanical strength and toughness.
Main Applications
Automotive components: Front grilles and fog lamp housings.
Construction field: Roof siding, window profile materials, etc.
Horticulture field: Horticultural irrigation equipment, lawn‑mower housings and other parts.
Electrical‑Electronic Industry: Housings for durable equipment, such as sewing machines, telephones, kitchen appliances, satellite antennas and other all‑weather enclosures.
Others: Premium bathroom and sanitary products, hot‑cold water exchangers, etc.
Physical Properties
| Property Category | Test Item | Test Condition | Test Standard | Data | Unit |
|---|---|---|---|---|---|
| Physical Properties | Density / Specific Gravity | 23°C | ISO 1183 / ASTM D792 | 1.07 / 1070 | g/cm³ / Kg/m³ |
| Melt Volume‑flow Rate (MVR) | 220°C / 10.0 kg | ISO 1133 | 5 | cm³/10 min | |
| Water Absorption | 24hr, 23°C | ISO 62 | 0.45 | % | |
| Mold Shrinkage‑Flow Direction | — | — | 0.4‑0.7 | % | |
| Mechanical Properties | Tensile Yield Stress | 50 mm/min | ISO 527‑1/-2 | 54 | MPa |
| Tensile Modulus | — | ISO 527‑1/-2 / ASTM D638 | 2500 / 2360 | MPa | |
| Flexural Strength | — | ISO 178 | 80 | MPa | |
| Izod Notched Impact Strength | 23°C | ASTM D256 | 250 | J/m | |
| Charpy Notched Impact Strength | 23°C | ISO 179/1eA | 15 | kJ/m² | |
| Charpy Un‑notched Impact Strength | 23°C | ISO 179/1eU | 250 | kJ/m² | |
| Thermal Properties | Heat‑Distortion Temperature (HDT) | 1.80 MPa | ISO 75‑1/-2 / ASTM D648 | 103 / 106 | °C |
| Heat‑Distortion Temperature (HDT) | 0.45 MPa / 66 psi | ISO 75‑1/-2 / ASTM D648 | 108 / 106 | °C | |
| Vicat Softening Temperature | VST/B/50 | ISO 306 / ASTM D1525 | 104 | °C | |
| Vicat Softening Temperature | VST/A/50 | ISO 306 | 113 | °C | |
| Other Properties | UL Flammability Rating | 1.60 mm | UL 94 | HB | Class |
Processing Parameters
| Processing Stage | Parameter | Recommended Value | Unit |
|---|---|---|---|
| Pre‑drying | Drying Temperature | 80‑85 | °C |
| Drying Time | 2‑3 | h | |
| Barrel Temperature | Rear (Feed Zone) | 180‑210 | °C |
| Middle (Compression Zone) | 200‑230 | °C | |
| Front (Metering Zone) | 210‑240 | °C | |
| Nozzle Temperature | 210‑240 | °C | |
| Mold Temperature | Mold Temperature | 40‑80 | °C |
| Melt Temperature | 230‑260 | °C | |
| Injection Pressure | Injection Pressure | 60‑100 | MPa |
| Holding Pressure | 40‑60 | MPa | |
| Screw Speed | 50‑100 | rpm |
Note: All information above is for reference only!
