Quality Scores

Mechanics

Thermal

Chemical

UV ageing

Injection moulding difficulty

Recycling

Performance profile

Mechanical properties

Propriétés mécaniques de PS – (Polystyrène) (GPPS) – fibres de verre
Density	1.15 to 1.18 g/cm³ ASTM D792
Charpy notched impact	10 kJ/m2
Flexural modulus	4710 to 6940 MPa ASTM D790
Flexural resistance	290 MPa
Tensile modulus	20000 MPa
Tensile resistance	210 MPa
Tensile strain	3 %

Chemical resistance and characteristics

Chemical resistance

Recommended applications

Packaging
Sheet / plate
General purpose
Isolation
Home appliances
Electrical/Electronic Applications
Home appliance components
Toys
Containers
Mousse

Frequently asked questions

Implementation — Plastic injection

Recycling & Sustainability

🍽️ Food Contact & Certifications

Hybster Team

Hybster Engineering Team

Design Office – Plastics Design & Engineering

The Hybster Design Office brings together the company's plastic engineering, mechanical, and industrialisation engineers. The team supports projects from the ideation phase through to series validation, incorporating Design For Manufacturing (DFM), rheological simulation, material selection, and mould design. It serves the automotive, electronics, electrical, EV charging, and industrial sectors.

Injection moulded part design DFM Simulation Moldflow Subject choice Moulds for conception ISO 20457 Tolerancing

Technical data sheet

Acronym	GPPS-GF
Family	PS (GPPS)
Reinforced	fibreglass
Process	Injection Moulding
Standards	UL94 HB, RoHS, FDA
UL94	HB

🌡️ Thermal data

Telegram	88 °C
Tm	285 °C
HDT 0.45 MPa	290 °C
Range of use	-50 °C - 220 °C
Temperature transformation	310 °C → 360 °C
Injection removal	0.2 % → 0.5 %