by SpecialChem

Vyncolit® 4421XB

Technical Datasheet | Supplied by Sumitomo Bakelite

Vyncolit® 4421XB by Sumitomo Bakelite is an organic and mineral filled phenolic novolac resin. It does not contain perfluorooctansulfonate (PFOS). Possesses higher mechanical properties & good electrical and heat insulation properties. Suitable for processing by transfer, compression and injection molding. Recommended for solenoid cover, starter and automotive applications. Vyncolit® 4421XB conforms to RoHS2 (2011/65/EU), REACH/SVHC and European Directive 2006/122/EC.

Vyncolit® 4421XB Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Specific Gravity

1.54 g/cm³

ISO 1183

Apparent Density

0.66 g/cm³

ISO 60

Linear Mold Shrinkage

0.432 %

ISO 2577

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