Zinc Borate 3.5 H2O 1)MF: 2ZnO 3B2O3 3.5H2O 2)Purity ... over the world get interest in 3.5 Water Zinc Borate, and is widely used to manufacture plastic,PVC,PE, ... ,ABS,epoxide resin,unsaturation resin,phenolic resin,urethane foam. It is also used in rubber Industry such as neoprene,polybutadiene rubber ... a clean and dry storehouse, don't to let it be rained on, no mix storage and transportation with ...