Chemical products for use in industry, science, photography, horticulture and forestry all except fungicides, herbicides, insecticides and parasiticides; unprocessed artificial resins, unprocessed plastics; unprocessed plastics for industrial use; polymers and polymer compounds for use in manufacture of commercial and industrial goods; chemical compounds for injection molding; chemical compositions for injection molding; Ready-to-use chemical purging compound in pellet form for use in cylinde...