several effective methods for plate heat exchanger cleaning 1. backwashing method: as the heat transfer capacity of the plate heat exchanger suddenly drops and the pressure drop increases, we gener ...

this product is suitable for cold drawing pretreatment of steel pipes, billets, etc., to form a water-insoluble crystalline sulfate conversion film on the surface area, which is called phosphating. ...

performance characteristics: 1.1 this product is used for pickling and passivation of welded joints and surfaces of stainless steel parts, to remove the oxide scale produced after welding and high-te ...

this product belongs to a solution for cleaning metal materials, and relates to a composition for removing the oxide scale of stainless iron and passivating the surface of stainless iron. in the pr ...