Vulcanization accelerators; Acids for metal pickling; chemical condensation preparations, namely chemical additives for industrial coatings for metal to prevent condensation; acid proof chemical compositions being chemical additives for industrial coatings for metal to make them corrosion resistant to acids; anhydrides; industrial chemicals, namely chemical additives for use in manufacturing industrial coatings for metal and adhesives; degumming preparations, namely, hydrochloric acid and pho...