Technical datasheet

ELASTOSIL® eco R 401/90 OH

Supplied byWacker- Last Updated on Nov 2, 2025

ELASTOSIL® eco R 401/90 OH by Wacker is a high consistency silicone rubber (HCR). Exhibits good flexibility, high transparency and mechanical properties. It is easily pigmented with ELASTOSIL® Color Paste PT and have good processing characteristics.
  • It replaces 100 % of the fossil-based raw materials to sustainably certified biomass.
  • It is a general-purpose grade suitable for producing molded, extruded or calendered articles like seals, gaskets, sheets, tubing and profiles.
  • ELASTOSIL® eco R 401/90 OH is recommended for food, dairy, molded parts, general automotive parts, profiles and tubing applications.
  • It meets the requirements of BfR and US FDA 21 CFR 177.2600.
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ELASTOSIL® eco R 401/90 OH properties

Mechanical properties

PropertiesValue & unitTest conditionTest method
Compression Set0.0 Visible After LoginVisible After LoginVisible After Login
Elongation at Break0.0 Visible After LoginVisible After LoginVisible After Login
Hardness, Shore A0.0 Visible After LoginVisible After LoginVisible After Login
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Physical properties

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Density0.0 Visible After LoginVisible After LoginVisible After Login

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