The material selection platform
Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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GAPEX® RPP30EA18BK by A.Schulman is a heat stabilized, chemically coupled polypropylene (PP) homopolymer grade reinforced with 30% glass fiber. Offers improved appearance and performance of plastics in a number of specialized applications. Contains heat stabilizer additive. Available as black colored pellets in North America and Latin America regions. GAPEX® RPP30EA18BK by A.Schulman can be processed using injection molding. Recommended for battery tray supports and automotive applications.
Product Type
PP (Polypropylene) > PP, Homopolymer
Physical Form

GAPEX® RPP30EA18BK Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Specific Gravity
1.14 g/cm³
( )
ISO 1183
Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)
4.0 g/10 min
(230°C, 2.16 kg)
ISO 1133
Linear Mold Shrinkage
0.30 %

GAPEX® RPP30EA18BK Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Drying Temperature
71 - 82 °C
Drying Time
2 - 4 hr
Rear Temperature
221 - 238 °C
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