Kothari corrosion controllers offer acid proof silicate mortar. Acid proof silicate mortar Is generally used as a bedding mortar in all types of brick, tile and stone lining work. It is highly recommended where concentrated sulphuric and nitric acids are used. It is most identical cement mortar for the acid proof and refractory brick lining work into the rcc chimneys & towers since it has a unique nature of acid and heat resistance. It may resist temperature up to 900°c.