Styrenix

HIPS 476 L

HIPS 476 L (also known as Styrenix) is a High Impact Polystyrene (HIPS) grade.
Suitable for: Refrigerator cabinet liners and door panels, TV cabinets and consumer electronics housings, Air conditioner & cooler grilles, Toys, games, and stationery items.
Key properties: MFI 1133 g/10min @ 200 °C/5 kg | Tensile Strength 27 MPa | HDT 80°C at 1.8 MPa.
GradePS 476 L
MaterialHIPS
MFIMVR 5.5 cm³/10min @ 200°C/5kg
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Material Snapshot

Grade
PS 476 L
Material Type
HIPS
Manufacturer
Styrenix
Brand
Styrenix
Density
1.050 g/cm³
MFI
MVR 5.5 cm³/10min @ 200°C/5kg
Supply Form
Granules

Applications

  • Refrigerator cabinet liners and door panels
  • TV cabinets and consumer electronics housings
  • Air conditioner & cooler grilles
  • Toys, games, and stationery items
  • Food packaging — yogurt cups, ice cream containers, trays
  • Point-of-purchase displays and indoor signage
  • Washing machine and small appliance parts
  • Medical diagnostic trays and sample cups

Key Features

  • High impact resistance
  • Good surface finish for printing and painting
  • Easy to process and thermoform (MFI: 1133 g/10min @ 200 °C/5 kg)
  • Good dimensional stability
  • FDA compliant grades available for food contact

Mechanical Properties

Impact Strength
Charpy Notched: 15 kJ/m²
Izod Notched: 11 kJ/m²
Tensile Strength
27 MPa (yield)
Tensile Modulus
1850 MPa
Flexural Strength
40 MPa
Flexural Modulus
1950 MPa
Rockwell Hardness
Ball indentation 85 MPa

Thermal & Processing

Heat Deflection Temperature
80°C at 1.8 MPa
Vicat Softening Temperature
90°C
Melt Temperature Range
Melt: 180 - 260°C / Mold: 10 - 60°C
Processing Temp
Melt: 180 - 260°C / Mold: 10 - 60°C

Performance Properties

Electrical Properties
Dielectric strength: 155 kV/mm; Volume resistivity: >1E16 Ohm·m; Dielectric constant: 2.5
Optical Properties
Specular gloss (60°): 35%
Water Absorption
<0.1% (saturated, 23°C)
Mold Shrinkage
0.4–0.7%

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