... .06%APPARENTCLARITYACIDITY(FORMIC ACID)0.003%FE0.001%Paraformaldehyde usage:Agricultural chemicals: Paraformaldehyde used for production of herbicide, pesticide and bactericide, such ... resin, surfactant, plastics, rubber, leather, paper making, dyes, pharmacy, farm chemicals, films, detonators, building materials as well as disinfection, fumigation and ...