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ELASTOSIL® R plus 4000/70

Technical Datasheet | Supplied by Wacker

ELASTOSIL® R plus 4000/70 by Wacker is a platinum-catalyzed addition-curing, two-part silicone rubber. It is virtually insoluble in water. Exhibits high transparency, high elongation and excellent tear resistance. ELASTOSIL® R plus 4000/70 is recommended for molded parts, technical and baby article applications. Complies with FDA 21 CFR §177.2600 regulation.

ELASTOSIL® R plus 4000/70 Properties

Mechanical Properties

Value & Unit

Test Condition

Test Method

Tensile Strength

9.30 N/mm²

(Cured:15 min, 165°C, Post Cured: 4h, 200°C)

DIN 53504 S 1

Rebound Resilience

54 %

(Cured:15 min, 165°C, Post Cured: 4h, 200°C)

DIN 53512

Tear Strength

54 N/mm

(Cured:15 min, 165°C, Post Cured: 4h, 200°C)

ASTM D624B

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