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SUMIKON® TM-4120

Technical Datasheet | Supplied by Sumitomo Bakelite

SUMIKON® TM-4120 by Sumitomo Bakelite is unsaturated polystyrene (PS) grade, reinforced with mineral and short glass fiber. It offers excellent electrical properties and heat resistance. It is designed for injection and transfer molding method. SUMIKON® TM-4120 complies with RoHS and UL 94 V-0 Flame Rating.

SUMIKON® TM-4120 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Linear Mold Shrinkage

0.65 %

(Properties measured on injection molded test specimens)

JIS K 6911

Water Absorption

0.24 %

(Boiling; Properties measured on transfer molded test specimens)

JIS K 6911

Specific Gravity

1.97

(Properties measured on injection molded test specimens)

JIS K 6911

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