The external walls of thermal insulation coatings production technology www.2009788.com the the external wall insulation coatings cited two main categories, thick exterior insulation system, reduce the heat transfer barrier principle, for example, the powder particles of polystyrene insulation, inorganic glass beads of insulation, etc., the effect is obvious, the other is a thin layer of paint, by reducing the principle to reduce the intrusion of outside solar amount of sunlight absorbed. Sunlight can be divided into the ultraviolet, visible and infrared. The sun through the sunny side of the radiant heat, especially in the east and west into the interior to the windows and external walls and roof, causing indoor overheating. These parts of the key parts of the building summer heat. Aka waterproof fine: the brush in bamboo baskets, bamboo baskets can draw water! Cost of $ 2,000 / ton, the market price at $ 8,000 / ton. Also known as water repellent: spray with a sprayer in red brick, the rainwater call up is like playing in a lotus leaf, natural rolled away! Costs 4 yuan / ton, the market price of 20,000 yuan / ton. Ming Nami the insulation agent: wiping the window glazing, summer heat, winter insulation, high adhesion, easy to dry, long life, insulation, waterproof, fire-retardant, self-cleaning, environmentally friendly paint, coating automotive glass, decorative glass, window glass, light transmission rate of up to 90%, can effectively inhibit the radiant heat of the sun and infrared solar heat reflection rate was 95% thermal conductivity for 0.03W/mK., insulation inhibition efficiency up to 90%! costs 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. Aka mortar king: per ton mortar king instead of one thousand tons of lime, Province Cement, cost three hundred retail price of three thousand!