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Hengli GPPS HLGP270NGPPS
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Hengli GPPS HLGP270N

General-purpose polystyrene

Hengli GPPS HLGP270N is a high-transparency, strong and heat-resistant grade for both extrusion and injection moulding.

Product grade
HLGP270N
Polymer family
GPPS
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Product Overview

Hengli GPPS HLGP270N is a high-transparency, strong and heat-resistant grade for both extrusion and injection moulding.

Grade & Processing

Grade: HLGP270N. Polymer family: general-purpose polystyrene (GPPS). Material form: pellets. Suitable for injection moulding and/or extrusion as stated in the supplied TDS.

Typical Applications

  • Transparent sheet
  • Billboards
  • Refrigerator drawers
  • Daily-use transparent articles

Technical Data

PropertyValue / specificationUnitTest method
Melt mass-flow rate1.9–2.7 (typical 2.52)g/10 minGB/T 3682.1
Tensile stress≥ 51 (typical 52.8)MPaTDS
Charpy impact strength≥ 8.1 (typical 8.6)kJ/m²TDS
Vicat softening temperature≥ 96 (typical 103)°CTDS
Heat-deflection temperature≥ 90 (typical 96)°CTDS
Residual styrene monomer≤ 500 (typical 382)mg/kgTDS
Light transmittance≥ 89 (typical 90.3)%TDS
Moulding shrinkage0.3–0.6 (typical 0.5)%TDS

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Technical values reproduced from the published product record. Typical values and historical batch results are not a guarantee for a new shipment. Confirm the current TDS, COA, application suitability and commercial terms before ordering.

View the published technical data