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ELASTOSIL® R 865/40

Technical Datasheet | Supplied by Wacker

ELASTOSIL® R 865/40 by Wacker is a high consistency silicone rubber. Exhibits superior rebound resiliency and minimal compression set. It is virtually insoluble in water. It is suitable for processing by extrusion and calendering. ELASTOSIL® R 865/40 is recommended for cables, calendered parts, automotive, technical, hoses/ turbocharger hoses, membranes, molded seals and roller applications.

ELASTOSIL® R 865/40 Properties

Mechanical Properties

Value & Unit

Test Condition

Test Method

Tensile Strength

7.5 N/mm²

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

DIN 53504 S 1

Rebound Resilience

71 %

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

DIN 53512

Tear Strength

15 N/mm

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

ASTM D624B

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