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ELASTOSIL® R plus 4305/70

Technical Datasheet | Supplied by Wacker

ELASTOSIL® R plus 4305/70 by Wacker is a platinum-catalyzed addition-curing, two-part silicone rubber. Exhibits excellent transparency and good mechanical properties. Suitable for processing by extrusion. It is virtually insoluble in water. ELASTOSIL® R plus 4305/70 is suitable for automotive, cables and technical applications. Complies with FDA 21 CFR §177.2600 regulation.

ELASTOSIL® R plus 4305/70 Properties

Mechanical Properties

Value & Unit

Test Condition

Test Method

Elongation at Break

600 %

(Cured at 165°C, 15 min, Post Cured at 200°C, 4 hr)

DIN 53504 S 1

Rebound Resilience

56 %

(Cured at 165°C, 15 min, Post Cured at 200°C, 4 hr)

DIN 53512

Compression Set

14 %

(At 175°C, 22 hr, Cured at 165°C, 15 min, Post Cured at 200°C, 4 hr)

ISO 815-B

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