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Tefabloc™ TO 421

Technical Datasheet | Supplied by Mitsubishi Chemical Performance Polymers (MCPP)

Tefabloc™ TO 421 by MITSUBISHI CHEMICAL PERFORMANCE POLYMERS (MCPP) is an UV stabilized blend of styrene butadiene styrene (SBS) and hydrogenated styrene ethylene butylene styrene (SEBS) block copolymer grade. Exhibits very good weatherability, low compression set, good thermal stability, mechanical- and flexibility properties. Shows resistance to UV, chemical, oxidation, detergents, acids, base, and ozone. Tefabloc™ TO 421 is designed for injection molding processing method.

Tefabloc™ TO 421 Properties

Mechanical Properties

Value & Unit

Test Condition

Test Method

Hardness, Shore

47 - 80 -

(Shore A)

ISO 868

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