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 Welding air pressure test: a site inspection frequency for each weld seam 60 meters long time; 2, test equipment should include (for track welding): a pump (manual or electric), Chaoyang geotextile manufacturers and equipment There barometer, pump must be able to produce and maintain the pressure 250kPa; and a hose connected to the fixture with; a hollow needle or other accredited gas transmission apparatus and hose connections. (4) Construction welding HDPE geomembrane geomembrane welding technology program has two main methods: heat welding seam double and single extrusion welding seam, its operation should comply with the relevant regulatory requirements. HDPE geomembrane matte surface, said Mao Anyang geotextile manufacturers HDPE geomembrane, HDPE geomembrane is based on the traditional production process, production equipment modification technology innovation, so that the produced particles to form an impermeable membrane surface like rough surface, improving the friction properties of HDPE impermeable membrane surface, while the same size and smooth impermeable membrane contrast, stronger tensile Wuzhou geotextile manufacturers, impermeable membrane matte surface roughness in the laying of the film grain will make the surface of the membrane and tiny empty folder level, both to enhance the film's anti-bearing deformation force general application in slope membrane surface casing required items needed Jiaotong friction coefficients. HDPE geomembrane matte features: 1, impervious reliable results, the permeability coefficient of less than 10-17cm / s; 2, construction laying easier; 3, its tensile strength, elongation at break, and strong anti-puncture; 4 Low prices, wide application; 5, material stability, strong anti-chemical ability; 6, thermal welding seams double seam connection geotextile manufacturers, high seam strength, testing equipment, easy to produce leakage. Matsubara geotextile manufacturers, geotextile manufacturers, Kinglake Kinglake by New Materials Co., Ltd. Foshan. New Materials Co., Ltd. Foshan Kinglake (www.tgbcj.com) strong, credible, in Foshan, Guangdong waterproof, moisture-proof materials industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving Kinglake and innovative ideas will lead you into the brilliant work together for a better future!