e) face the wind or rain erosion surface to prevent rainwater percolating through the filling material and the wall between the rivet windows with aluminum manufacturers, due consideration sealing baffles or other waterproof coating, increasing impermeability; f) the sash junction to leave dispensing slot width 5-8mm, insert injection sealing material with aluminum rivets dealers, should pay attention to remove floating dust, mortar, so that the sealing material and window frames, wall firmly bonded. Also check whether the sealing material continuously, whether omissions, etc., especially if there is a transfer position angular pores exist; external wall tiles should be used for two or more sealed to avoid patchwork capillary water penetration; g) adjusting the pad ban remains in door frame, after the removal of the adhesive to timely and reliable secondary filling dense, filled with attention and the base, except to remove residue should base outside moist; h) should be lower than the indoor outdoor windowsill sill plates 20mm is appropriate, and set the sails slope, drainage flow, to avoid water penetration. Aluminum windows and facades have a certain distance, avoid direct rain erosion. i) door and window fittings, materials, specifications rivets with aluminum, the connection method that complies with local "aluminum alloy doors and technical regulations" requirement, timely and concrete or mortar anchor seal, to avoid leaving the sealing material moving in cracks under wind load . Before welding Cleaning: aluminum and aluminum alloy welding, should be strictly removed before welding oxide film and the oil of the workpiece and the wire surface weld; 1) chemical cleaning chemical cleaning high efficiency, stable quality, suitable for clean-wire and small size, as workpiece batch production. Available in two French immersion method and scrubbing. Available surface organic solvent acetone, gasoline and kerosene to oil, with a 5% ~ 10% NaOH solution Caustic 40 ℃ ~ 70 ℃ of 3 min ~ 7 min (aluminum take longer but no more than 20 min), mobile water rinse Manufacturers of aluminum rivets, followed by 30% HNO3 solution at room temperature to 60 ℃ of pickling 1 min ~ 3 min, mobile wash, air dry or low temperature drying. Heshun Alcoa aluminum factory _ _ rivets aluminum rivets provided by the Aluminum Co., Ltd. Jinan Heshun. Jinan Heshun Aluminum Co., Ltd. (www.jnhsly.com) (www.jnhsly.cn) is a professional, "aluminum, aluminum, aluminum, aluminum rod, aluminum row, aluminum, aluminum rod, aluminum elbow" of the company. Since its inception, we adhere to the "good faith, sound management" approach, the courage to participate in healthy competition in the market, so that the "aluminum, aluminum, aluminum, aluminum coil, aluminum rod" brand has a good reputation. We adhere to the "service first, customer first" principle, so that cis Alcoa won the trust of customers in all aluminum products, and establish a good corporate image. Special Note: This information is for reference only pictures and information, please contact us to obtain the most accurate information, thank you!