1 use per cell adhesion test, the test surface paint should not fall 5% in the area of ??100 square mm 1mm draw a line (to be bottomless depth material) with a utility knife every cross portray 100 boxes, with 3M # 600 Sotch tape 10-13mm or compatible therewith tape affixed to portray the test area, the tape in a vertical direction instantly and quickly tear away. Coating hardness pencil hardness H 2 above, the coated surface is not damaged, scratched the tip of the pencil shaved right angle, face painting tool for testing along the 45-degree direction, lend force strength of 1kg draw a straight line in the paint surface of 8cm ( Reference A. above room temperature hardness 3H;. B heated 230 ℃ Hardness H) 3 abrasion resistance with a sponge brush, brush painting tools 5000 Dongguan, not exposed material with a sponge brush harder side, plus a wide 30mm, 50g of the load, 55mm distance, 60 times / min 4 round brush and solvent test test surface is not discolored, peeling paint, float, or tarnish with a clean cotton cloth, dampen a clean solvent (industrial alcohol 95%) Guangdong spraying tool, 600g of force to impose the test surface wipe back and forth 50 times 5 moisture resistant coated surface can not be an exception 60 ℃ relative humidity of 90% placed 240h 4, the gun can be used for up and down, left and right movement, preferably 10-12 m / min to uniform motion, the nozzle must be straight in the matter face painting, to minimize oblique spraying. When sprayed onto the surface at both ends thereof, buckle gun trigger hand about to loose quickly, so mist reduction, since both ends of the body surface, and are often subject to more than twice spraying decoration painting tool, is the most likely to cause sagging place. 5, when sprayed on to the next one to suppress a 1/3 or 1/4, so no leakage jet phenomenon. When spray drying paint, it needs a complete sequence spray. Fill spray is not ideal. Electric spraying tool, sand hung hardware appliances spraying, spraying tools provided by the Dongguan City, Sha Hong Hardware Electric Co. Dongguan City, Sha Hong Hardware Appliance Co., Ltd. (www.dgshahong.com) is an industry leader in Dongguan, Guangdong, spraying equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Hong Hardware Appliance spraying sand leadership with the staff warmly welcome all inquiries negotiations to create a sand painting hung Hardware Appliance better future.