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Barium carbonate (BaCO3), also known as witherite, is a chemical compound used in rat poison, bricks, ceramic glazes and cement.Witherite crystallizes in the orthorhombic system. The crystals are invariably twinned together in groups of three, giving rise to pseudo-hexagonal forms somewhat resembling bipyramidal crystals of quartz, the faces are usually rough and striated horizontally. It transforms into an hexagonal phase at 1084 K that changes into a cubic phase at 1254 K.

ROCOR NB Liquid is the ideal corrosion inhibitor for closed heating or cooling systems, such as diesel engines, compressors, process cooling systems, etc. Rocor NB liquid is one of popular cooling treatment chemical.This product contains nitrite and borate as major component along with new generation corrosion which makes new advance Rocor NB then others.Many experiment oroves that water of closed cooling system required special treatment to prevent pitting corrosion and scale formation.

East india chemicals supplier  and manufactures quality antifreeze coolants  liqid and heat transfer fluids for automotive and industrial applications in kolkata india . We also offer innovative, competitive and efficient aqueous solutions to provide optimised thermal heat transfer and corrosion protection for your cooling system.