Product Overview
STL GPPS 535T is a white, transparent general-purpose polystyrene grade intended for injection moulding of everyday articles.
Grade & Processing
Grade: 535T. Polymer family: general-purpose polystyrene (GPPS). Material form: pellets. Suitable for injection moulding and/or extrusion as stated in the supplied TDS.
Typical Applications
- Daily-use articles
- General injection-moulded products
Technical Data
| Property | Value / specification | Unit | Test method |
|---|---|---|---|
| Black granules | 0 | particles/kg | SH/T 1541.1-2019 |
| Black-speck granules | ≤ 1 | particles/kg | SH/T 1541.1-2019 |
| Black dots | ≤ 8 | particles/kg | SH/T 1541.1-2019 |
| Coloured granules | ≤ 1 | particles/kg | SH/T 1541.1-2019 |
| Melt mass-flow rate (200 °C/5 kg) | 3.0 ± 0.5 | g/10 min | GB/T 3682.1-2018 |
| Residual styrene monomer | ≤ 500 | ppm | TDS |
| Tensile stress at break | 50.3 | MPa | GB/T 1040.2 |
| Vicat softening temperature | ≥ 85 | °C | GB/T 1633-2000 |
| Yellowness index | 0.3 | — | HG/T 3862-2006 |
| Haze | ≤ 1.2 | % | GB/T 2410-2008 |
| Light transmittance | ≥ 85 | % | GB/T 2410-2008 |
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