ã€China Aluminum Network】 (1) Residual flux and welding slag left after welding in the weld seam and nearby will destroy the passivation film on the aluminum surface, and sometimes it will corrode aluminum parts and should be cleaned. Simple shapes and common parts can be cleaned by simple methods such as hot water flushing or steam blowing. The aluminum parts with high requirements and complex shapes are brushed with a bristle brush in hot water and then immersed in a solution of chromic anhydride or potassium dichromate at a concentration of 2% to 3% for 60 minutes at about 60°C to 80°C. ~ 10min, and scrubbing with a bristle brush, then washing in hot water, drying with an oven, or drying with hot air, can also be naturally dry.
(2) Post-weld heat treatment Aluminum containers generally do not require heat treatment after welding.
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Commercial lighting is a term used to describe lighting that is used in commercial spaces, including auto dealerships, distribution centers, churches, factories, offices, and warehouses. Unlike residential lighting, commercial lighting is made to withstand more abuse and has a longer lifespan.
While the focus of residential lighting is often on aesthetics, commercial lighting is task orientated. Commercial lighting systems are designed based on what the application is. For example, in an office-type setting, you may see task lighting, which illuminates specific areas where employees need concentrated light to be able to perform their jobs.
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