Chemical Resistance of Rigid Foam made from SCONAPOR EPS

Foams made with SCONAPOR™ EPS are resistant to construction materials such as cement, lime, anhydrite and almost all aqueous media including hydrated acids. In addition they are resistant to water-soluble alcohols and silicon oils.

They are conditionally resistant to paraffin oil, vegetable oils and diesel fuel. Long-term exposure to these substances can affect the surface of the foam and cause deformation due to shrinkage.

Foams made from SCONAPOR EPS are not resistant to organic solvents such as hydrocarbons, chlorinated hydrocarbons, ketones and esters. Dehydrated acids such as glacial acetic acid, fuming sulphuric acid or concentrated nitric acid will also destroy the foam.

After any possible contact of the foam with adhesives, a potential solvent sensitivity must be considered.


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