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ELASTOSIL® M 4503

Technical Datasheet | Supplied by Wacker

ELASTOSIL® M 4503 by Wacker is a good flow, RTV-2, pourable, condensation curing, two-component silicone rubber. Exhibits self-deaeration, low hardness and high tear strength. Offers very good resistance to casting resins, great extensibility & elasticity and excellent long-term stability of the mechanical properties. It can vulcanize at room temperature. ELASTOSIL® M 4503 is designed for molding applications.

ELASTOSIL® M 4503 Properties

Mechanical Properties

Value & Unit

Test Condition

Test Method

Tear Strength

> 20 N/mm

(5 wt % Catalyst T 35, Cured: 7days/ 23 °C, 50% RH)

ASTM D 624 B

Hardness, Shore A

(5 wt % Catalyst T 35, Cured: 7days/ 23 °C, 50% RH)

ISO 868

Tensile Strength

5.00 N/mm²

(5 wt % Catalyst T 35, Cured: 7days/ 23 °C, 50% RH)

ISO 37

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