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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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GAPEX® RPP15GT21NA by A.Schulman is a flame retardant unspecified polypropylene (PP) grade reinforced with 15% glass fiber. Offers improved appearance and performance of plastics in a number of specialized applications. Available as natural colored pellets in North America and Latin America regions. GAPEX® RPP15GT21NA by A.Schulman can be processed using injection molding. Possible applications could be virtually every market in every corner of the world. Meets UL 94 V-0 flame rating.
Product Type
PP (Polypropylene)
Physical Form

GAPEX® RPP15GT21NA Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Specific Gravity
1.32 g/cm³
( )
Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)
7 g/10 min
(230°C, 2.16 kg)
ASTM D1238
Linear Mold Shrinkage
0.60 %

GAPEX® RPP15GT21NA 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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