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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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RTP 4287

Technical Datasheet | Supplied by RTP Company
RTP 4287 is a thermoplastic polyimide (TPI) grade reinforced with 40% carbon fiber. It is the most heat resistant thermoplastic available. Exhibits high heat resistance, high strength & stiffness, chemical resistance, wear resistance, excellent properties at elevated temperatures, inherent flame retardance and excellent physical properties. Also, it is an excellent alternative to metal in applications where strength, dimensional stability, and toughness are important. Applications for RTP 4287 include electricals, electronics, safe & effective medical devices, pump & tool housings, HVAC base pans & fan blades, panels, handles, brackets & components used in heavy equipments, plumbing fittings, valve bodies, gears for conveyor drives and power tools.
Product Type
PI (Polyimide) > PI
Product Status
Applications/ Recommended for
  • Electrical markets
  • Electronics / Computers
  • Engineering / manufacturing > Belts, conveyors
  • Engineering / manufacturing > Plumbing (pipe/fittings, valve, taps)
  • Engineering / manufacturing > Pump components
  • Engineering / manufacturing > Tools & equipments
  • Gears
  • Healthcare / Medical > Medical goods
  • Households products/ Consumer Goods > Powertools (drills...)
  • Injection molding - thermoplastics

RTP 4287 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Specific Gravity
( )
ASTM D 792
Linear Mold Shrinkage
0.1 %
(At 1/8 in (3.2 mm) section)
ASTM D 955

RTP 4287 Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Melt Temperature
399 - 416 °C
Mold Temperature
177 - 232 °C
Drying Temperature
204 °C
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