Dacromet process needs a series of steps. This kind of step is the basic standard to ensure that Dacromet can give full play. Let's learn more about it

Deoiling: it is also the same as cleaning the surface of the product workpiece, because the product workpiece containing vegetable oil will seriously damage the adhesion and corrosion resistance of the coating. The general deoiling methods are solvent deoiling, high temperature carbonization deoiling and water-based deoiling agent deoiling.

Anti rust treatment in addition to burr: residual this problem of product parts are prohibited from coating. The removal method is mechanical equipment removal, not pickling passivation, which is to avoid alkali embrittlement.

Coating: after cleaning, the workpiece should be coated as soon as possible. The coating methods include dip coating, spray painting and brush coating. During the whole process, it is necessary to control the characteristics of the coating liquid, the temperature and the speed ratio of the centrifugal dehydrator to prevent bad harm.

Pre drying: this process is the actual operation of air drying the finished product workpiece immediately to ensure that the surface of the product workpiece is coated with smooth paint.

Calcination: it takes about 30 minutes to calcine at a high temperature of about 300 ℃. It can also increase the high temperature moderately to reduce the time.

Refrigeration: after calcination, after sufficient refrigeration of the refrigeration system, the post-treatment process or quality inspection can be carried out again.

Deqing Zhongrun Hardware Products Co., Ltd., established in 1990, is located in Xin'an Industrial Zone, Deqing County, Huzhou City, Zhejiang Province, China. It is mainly engaged in the production, processing and sales of hardware products. At the same time, it also undertakes Dacromet processing and coating business. Following the development concept of "integrity, sharing, cooperation and win-win", the company is committed to producing high-quality and safe hardware products and providing customers with satisfactory products with the full spirit of integrity and prosperity. After unremitting efforts, "Jinggong" brand building anchor bolt has set up a good image in the market and is trusted by the majority of users.