Polyurethane waterproofing coatings. Such material is generally made of polyurethane made with coal tar as raw material. It is the focus of volatile oil and gas toxicity, and not easy to remove color polyurethane waterproof coating, so in 2000, was banned in China. Still selling waterproof polyurethane coating, instead of coal tar pitch is used as a raw material. However, the use of such coatings, commonly used contain toluene, xylene and other organic solvents to dilute, and thus also toxic. Usage: · Mixing: first liquid material into the container, then slowly add the powder spray polyurea waterproof coating, and stir for 3-5 minutes until a homogeneous slurry and no raw dough particles can be used ; (preferably using a blender) · Brushing: Brushing with a brush or brush directly K11 waterproof coating on the base surface, the intensity of the use of even waterproof paint, brush can not be missed; it generally takes brushing 2 times (according to requirements and set), each painted a thickness not exceeding 1mm; once brushing (just before and after a slightly sticky to dry and then carry out the general interval 1-2 hours), front and rear vertical cross brushing, brushing the total thickness It is 1-2mm; if the coating has been cured, first with water when wet brushing another. Two-component polyurethane waterproof coating, high-density waterproof coating, waterproof Yue Kun Kun Yue by Weifang waterproof material Limited. Weifang Kun Yue waterproof material Ltd. (www.wfkunyue.com) (www.kunyuefangshui.com) strong, credible, Shandong Weifang waterproof, moisture-proof materials industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Kun Yue water into the brilliant and you work for a better future!