@ Cement expansion agent formulations waterproof caulking sealant raw materials manufacturers sell # the waterproof processing technology cement expansive agent is a chemical admixture is added to the cement, when the setting and hardening of cement, followed by volume expansion from the compensation contraction and tension reinforced produce prestressed, and fully filled with cement gap. In practice, cement expansion agent is the use of light metals (mainly aluminum, recent years the use of iron powder, aluminum powder, etc.) and alkaline cement from a chemical reaction to produce hydrogen, leaving the volume of cement expansion to improve the strength of cement from the role, so also called cement foam. Website: www.2009788.com now the transfer of waterproof building materials production formula 13770072588: brush the product in bamboo baskets, bamboo baskets to fetch water: spray in red brick, the rain beating up like a hit in the Netherlands on leaves, natural roll go!: wiping the window glazing, the summer insulation, insulation in winter, the above product cost 4 yuan / ton, the market price of 20,000 yuan / ton. Elastic waterproof coating, also known as self-healing: the knife pierce and then pulled out of the paint, the incision healed quickly watertight cm can be stretched 20 cm, the cost price of 5 yuan / ton, the market price of 30,000 yuan / ton. : Per ton mortar king instead of one thousand tons of lime, Province Cement, cost three hundred retail price of three thousand! Please see video online validation magical effects www.2009788.com now the transfer of production formula 13770072588. Free gift of the water did not leak, putty powder, js waterproof coating, k11 waterproof coating formulations.