A PRODUCT MADE OF FILMFORMING SYNTHETIC POLYMERS WHICH, OWING TO THEIR SPECIAL FEATURES, IT PREVENTS THE SEIZURE OF WELDING SPATTER TO ANY SURFACE. THE FILM ALSO PREVENTS OXIDATION AND CORROSION CAUSED BY CHEMICALS. IT IS SUITABLE FOR AUTOGENOUS, ELECTRIC AND INERT-GAS WELDING. THE COMPOUND IS FREE OF SILICON SUBSTANCES.