未标题-1_0000_General purposed polystyrene GPPS GON525
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国恩产品_0002_General purposed polystyrene GPPS GON525  25kg
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GPPS GON550N
General Purpose Polystyrene (GPPS)

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PRODUCT ADVANTAGES

Excellent Transparency

Boasts 90% light transmittance and merely 0.3% haze for crystal-clear visuals, perfectly suited for transparent display and packaging products requiring high clarity.

Balanced Mechanical & Heat Resistance

Features high tensile and flexural rigidity alongside stable thermal performance (100℃ Vicat softening point, 99℃ heat deflection temperature), keeping parts structurally stable under regular heat loads.

Efficient Processability & Short Molding Cycles

Offers smooth melt flow and a broad processing temperature window, cutting cycle time to elevate production efficiency and reduce manufacturing costs for extrusion and injection molding.

Food Contact Safety

Complies with global food contact standards, safe for transparent sheets and packaging that directly touch food.

Superior Electrical Insulation

Delivers ultra-high dielectric strength and resistivity with a steady dielectric constant, ideal for transparent electrical insulating components.

Stable Dimensional Consistency

Controllable 0.4–0.7% mold shrinkage minimizes warpage and size deviation, ensuring consistent dimensional accuracy for mass production.


PRODUCTS PARAMETERS

Property, Test Condition

Standard

Unit

Typical Value

Rheological Properties

Melt Mass Rate, 200 °C/5 kg

GB/T 3682.1

ISO 1133

g/10 min

2.0

Mechanical Properties (23°C)

Charpy Unnotched Impact Strength

GB/T 1043.1

ISO 179/1eA

kJ/m²

14

Tensile Stress at Yield

GB/T 1040.2

ISO 527

MPa

55

Tensile Strain at Break

GB/T 1040.2

ISO 527

%

3

Flexural Strength

GB/T 9341

ISO 178

MPa

88

Flexural Modulus

GB/T 9341

ISO 178

MPa

3300

Thermal Properties

Vicat Softening Temperature VST/B/50 (50N, 50 °C/h, unannealed)

GB/T 1633

ISO 306

°C

100

Heat Deflection Temperature B; (annealed 4 h/80°C; 0.45 MPa)

GB/T 1634.1

ISO 75

°C

99


PRODUCTS APPLICATION
  • Biaxially Oriented Polystyrene (BOPS) Sheets

GON550N is a prime raw material for BOPS sheet production. Its superior optical and thermal-mechanical properties enable smooth stretching and thermoforming. Finished BOPS sheets are widely used for food trays, disposable transparent food packaging and food-safe rigid containers.

  • Advertising Display Boards

Ideal for clear indoor & outdoor advertising panels. Its high transparency delivers crisp printing effects, while good heat resistance prevents panel deformation to maintain long-lasting flat signage appearance.

  • Cabinet Decorative Panels

Serves as a transparent substrate for wardrobe and kitchen cabinet decoration. High rigidity and stable dimensions avoid long-term bending, and the clear base supports printing, coating and lamination for diverse decorative styles.

  • Mirror Wall Panels

Ultra-low haze ensures uniform light transmission for sharp mirror reflections. Strong mechanical strength safeguards mirror coatings from cracking during cutting and installation for interior wall decoration.


INQUIRE IMMEDIATELY
Ethan Carter
General Manager

+86 15066260005

info@gonplastics.com

+86 15066260005

get in touch