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RTP 4685

Technical Datasheet | Supplied by RTP Company

RTP 4685 is a syndiotactic polystyrene (SPS) grade reinforced with 30% carbon fiber. Exhibits excellent heat and chemical resistance combined with excellent flow. Has low- dielectric constant, moisture absorption and specific gravity. Is suitable for processing by injection molding.

RTP 4685 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Linear Mold Shrinkage

0.10 %

(At 1/8 in (3.2 mm) section)

ASTM D955

Density

1.17 g/cm³

ASTM 792

Water Absorption

1.010 %

(At 23°C, 24 hr)

ASTM D570

Injection molding Properties

Value & Unit

Test Condition

Test Method

Injection Pressure

69 - 103 MPa

Drying Time

2 hrs

Dew Point

-29 °C

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RTP 4685

RTP 4685 Properties

Physical Properties

RTP 4685 Processing Guidelines

Injection molding Properties