This Sikkativ, it is a calcium Sikkativ. The Sikkativ will find use in the manufacture of oil varnish. This will be there used, to accelerate the drying process. You can use this for the manufacture of your own oil varnish. The Sikkativ can only used by our oil varnish standard or oil varnish Ia. You can only add up to 3%-5%, because in this varnish is Siccative included. For all other varnishes of our products, must be no Sikkativ used or else they damage.