There are several coloring methods for stainless steel parts

1. Electroplating

Electroplating: The process of attaching a metal film to the surface of metal or other materials by electrolysis. It can prevent corrosion, improve wear resistance, electrical conductivity, reflectivity and enhance aesthetics.

2. Water plating

It does not rely on external power supply in the aqueous solution, but only relies on the reducing agent in the plating solution to carry out the chemical reduction reaction, so that the metal ions are continuously reduced on the autocatalytic surface to form a metal plating layer.

3. Fluorocarbon paint

Refers to coatings with fluororesin as the main film-forming substance, also known as fluorocarbon paint, fluorocoating, and fluororesin coating.

4. Spray paint

The paint is sprayed into a mist with compressed air and applied to the stainless steel plate to form different colors.

Additional：

The current color stainless steel plate is colorful, which is a very good decoration material. The color stainless steel plate and the color surface layer can withstand the temperature of 200 ℃, the salt spray corrosion resistance is better than ordinary stainless steel, and the color stainless steel plate has abrasion resistance and scratch resistance. Equivalent to the performance of foil coating gold.

The color stainless steel plate also has the characteristics of strong corrosion resistance, high mechanical performance, long-lasting color surface layer, and color change with different illumination angles. When the color stainless steel plate is bent at 90°C, the color layer will not be damaged, used for decoration of hall wall panels, ceilings, elevator car panels, car box panels, architectural decoration, signboards, etc., colored stainless steel panels are generally used to decorate walls.

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According to the causes of bubbles, the countermeasures are as follows: (1) When the wall thickness of the product is large, the cooling speed of its external surface is faster than that of the central plastic part. Therefore, as the cooling goes on, the resin at the central part shrinks and expands towards the surface, resulting in insufficient filling at the central part. This condition is called a vacuum bubble. Solutions mainly include: A) Determine the reasonable gate and gate size according to the wall thickness. Generally, gate height shall be 50% ~ 60% of the wall thickness of the product. B) Until the gate is sealed, a certain amount of supplementary injection material is left. C) The injection time should be slightly longer than the gate sealing time. D) Reduce the injection speed and increase the injection pressure; E) Use materials with high melt viscosity. 2) The bubbles caused by the production of volatile gases are mainly solved as follows: A) Sufficient pre-drying...

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The application range of sandblasting treatment

Sandblasting is the process of cleaning and roughening the substrate surface by the impact of high-speed sand flow. Use compressed air as the power to form a high-speed jet beam to spray the blasting material (copper ore, quartz sand, corundum, iron sand, Hainan sand) at high speed on the surface of the workpiece to be processed, so that the appearance or shape of the outer surface of the workpiece surface changes. (1) Workpiece coating and sandblasting before workpiece bonding can remove all dirt such as rust on the surface of the workpiece, and establish a very important basic pattern on the surface of the workpiece (the so-called rough surface). By changing the abrasives with different particle sizes, the roughness of different degrees is achieved, which greatly improves the binding force of the workpiece with coatings and plating materials. Or make the adhesive bond more firm and better quality. (2) The rough surface of the casting, the cleaning and polishing of t...

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