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ELASTOSIL® R plus 4020/70

Technical Datasheet | Supplied by Wacker

ELASTOSIL® R plus 4020/70 by Wacker is a platinum-catalyzed addition-curing, one-part silicone rubber. Exhibits excellent transparency and very high tear resistance. It is suitable for processing by injection molding. ELASTOSIL® R plus 4020/70 is recommended for molded parts, technical and water contact applications. Complies with FDA § 177.2600 regulation.

ELASTOSIL® R plus 4020/70 Properties

Mechanical Properties

Value & Unit

Test Condition

Test Method

Tensile Strength

10.1 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

68 N/mm

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

ASTM D624B

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