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RX® 643

Technical Datasheet | Supplied by Sumitomo Bakelite

RX® 643 by Sumitomo Bakelite is a fiberglass reinforced, ammonia-free, phenolic resole compound. Exhibits good dimensional stability and good strength at elevated temperatures. It is suitable for processing by compression molding, transfer molding and injection molding. RX® 643 is complies with RoHS2 (2011/65/EU) & REACH/SVHC regulations.

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Product Type

P or PF (Phenolic / Phenol Formaldehyde Resin)

Physical Form

Granules

Appearance

Black

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RX® 643 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Specific Gravity

1.75 -

ASTM D792

Apparent Density

0.8 g/cm³

ASTM D1895

Linear Mold Shrinkage

0.15 %

ASTM D955

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