MABS Chi Mei PA‑758R
MABS Chi Mei PA‑758R
MABS Chi Mei PA‑758R is a transparent‑ABS resin with excellent transparency, superior chemical resistance, relatively high rigidity and outstanding impact resistance.
Main Applications
Home‑appliance: air‑conditioner panels, washing‑machine tops, vacuum‑cleaner housings. 3C products: mobile‑phone shells, computer peripheral housings. Automotive accessories: instrument panels, center consoles. Consumer goods: cosmetic & health‑product packaging, high‑transparent toys and stationery.
Physical Properties
| Property Category | Test Item | Test Condition | Test Standard | Data | Unit |
|---|---|---|---|---|---|
| Physical Properties | Density | 23°C | ASTM D792 / ISO 1183 | 1.07‑1.08 | g/cm³ |
| MFR | 200°C / 5.0 kg | ASTM D1238 | 2.0‑3.0 | g/10 min | |
| MFR | 200°C / 10.0 kg | Internal method | 2.2 | cm³/10 min | |
| Light transmittance | 1/8" | ASTM D1003 | 89 | % | |
| Haze | 1/8" | ASTM D1003 | 5.0 | — | |
| Mechanical Properties | Tensile strength(yield) | — | ASTM D638 | 45.0 | MPa |
| Flexural strength | — | ASTM D790 | 58.8‑61.7 | MPa | |
| Flexural modulus | — | ASTM D790 | 2450 | MPa | |
| Izod notched impact strength | 23°C, 1/8" | ASTM D256 | 16 | kg·cm/cm | |
| Charpy notched impact strength | 23°C | ISO 179 | 16 | kJ/m² | |
| Thermal Properties | HDT | 1.8 MPa, unannealed | ASTM D648 | 86‑88 | °C |
| Vicat softening temperature | — | ASTM D1525 | 102‑105 | °C | |
| Flame Retardancy | UL 94 rating | 1.60 mm | UL 94 | HB | — |
Injection Molding Parameters
| Process Stage | Parameter | Recommended Value | Unit |
|---|---|---|---|
| Pre‑drying | Drying temperature | 80‑85 | °C |
| Drying time | 2‑4 | h | |
| Barrel temperature | Rear (feed zone) temperature | 180‑220 | °C |
| Middle (compression zone) temperature | 190‑230 | °C | |
| Front (metering zone) temperature | 190‑230 | °C | |
| Nozzle temperature | 185‑235 | °C | |
| Mold temperature | 30‑70 | °C | |
| Injection Parameters | Injection pressure | 50‑80 | kg/cm² |
| Hold‑on pressure | 20‑50 | kg/cm² | |
| Back pressure | 5‑10 | kg/cm² | |
| Screw speed | — | rpm |
Note: All information above is for reference only!



