51吃瓜

??? ??? ???? ?? ??? ??? ???? ?????? ????? ??? Shenyang Sheet Metal Processing manufacturer explains to you: The painting process on the surface of sheet metal is great significance for sheet metal processing, and surface painting has a protective effect on sheet metal. Sheet metal chassis, cabinets, equipment casings etc. are exposed to the air and will not oxidize under the paint layer's protection, so they will not rush and have water-proof properties. Sheet metal processing generally selects suitable materials based on the characteristics of the products that need to be processed. Sheet metal processed products are mostly qualitative, so materials and products are also easily corresponded. Sheet metal generally uses many materials, and it is precisely because sheet metal has various metal materials and processing procedures that there is no accurate definition for sheet metal.

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1. ???? ??? ?? ?????. ??? ??? ???? ???? ?? ?????? ????? ?? ???? ????? ?? ???? ?????? ???? ?? ????? ??? ???? ???? ????? ?????? ??? ?? ?? ????.

2. Primer. ??? ??? ???? ??? ??????? ??? ???? ?? ??????? ???? ??????? ???? ???? ???????? ??? ????? ????? ?? ????? ???? ?? ??? ??? ????? ?? ????? ?? ??? ??????? ??? ???? ??. ?? ?? ????? ?????? ?????? ??? ??????? ????? ??? ?? ?? ??? ???? ??? ??? ?? ?? ??? ?????? ????? ??? ??. ???? ???? ?? ???: epoxy resin, epoxy curing agent, zinc pulver, anti rust pigment, additives, and solvents.

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