Recombination vs. Mutation. Although genetic recombination was discovered following the formation of Darwin's theories of evolution, it is still claimed that mutations are the source of any natural variability.
A primer is required for. porous surfaces, high build and anti-slip finishes . CHEMICAL RESISTANCE. Wykamol Epoxy Floor Coating EP40 has excellent. resistance to fuels, oils and lubricants. All grades possess. good resistance to dilute acids, alkalis, detergents, salt and. sugar solutions.
In addition, because a polyurethane floor finish must be applied in such a thin layer, it will not cover imperfections in the underlying substrate as well as an epoxy or epoxy mortar system might. In this case, it is better for an epoxy primer layer to be installed first, with a polyurethane coating on top.