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Plastics & Elastomers
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Plastics & Elastomers
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SECCO GPPS251

SECCO GPPS251 by Shanghai SECCO Petrochemical Company is a general purpose polystyrene (PS/GPPS) grade. Exhibits high mechanical strength, good mold release, excellent transparency and gloss. Designed for extruded- and foamed sheets and injection molding applications. It is recommended poster boards, advertisement sheet, foam articles, vacuum cup, beads for decoration, cosmetics packaging and biaxially oriented polystyrene (BOPS). SECCO GPPS251 complies with FDA regulation CFR 177.1640(c) (1), RoHS Directive 2002/95/EC and UL 94 HB Flame Rating.
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Product Type
PS or GPPS (Polystyrene) > PS (or GPPS)
Product Status
COMMERCIAL
Applications/ Recommended for
  • Packaging
  • Injection molding - thermoplastics
  • Extrusion > Sheet, Plaques & Profiles (foamed)
  • Extrusion > Films (bioriented)

SECCO GPPS251 Properties

Thermal Properties

Value & Unit
Test Condition
Test Method
Vicat Softening Temperature
102 °C
(B50/oil) 
ISO 306
Heat Deflection Temperature (HDT)
80 °C
(at 1.8 MPa) 
ISO 75-2

SECCO GPPS251 Processing Guidelines

Injection Properties

Value & Unit
Test Condition
Test Method
Injection Temperature
180 - 240 °C
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