Manganese Phosphate Blackening

Heat treatment/sandblasting/manganese phosphate/zinc phosphate film. Bead blasting/hydrogen removal/black dyeing

Manganese phosphate blackening is a surface treatment method that involves applying a manganese phosphate solution to a metal surface to create a black nickel oxide film. It offers the following advantages:

  1. Corrosion resistance: Manganese phosphate blackening treatment forms a black nickel oxide film that enhances the corrosion resistance of the metal material. This film prevents the entry of oxygen and moisture into the metal surface, reducing the risk of corrosion and extending the lifespan of the metal product.

  2. Improved lubrication: The black nickel oxide film formed after manganese phosphate blackening treatment creates a microscopically rough surface, improving the lubrication properties of the metal surface. This is beneficial in reducing friction and wear between metal parts, enhancing their smooth movement and operation.

  3. Aesthetic appeal: After manganese phosphate blackening treatment, the metal surface exhibits a uniform black appearance, providing visual appeal to metal products. This is highly desirable in many applications such as automotive components, firearm parts, and home decor.

  4. Reduced reflection: The black nickel oxide film resulting from manganese phosphate blackening treatment has good light absorption properties, effectively reducing surface reflection of the metal. This is advantageous in certain applications such as optical instruments or photography equipment, where it helps minimize light interference and reflection.

The effectiveness and performance of manganese phosphate blackening treatment are influenced by processing parameters, including treatment time, temperature, and concentration of manganese phosphate solution, among others. Proper treatment conditions and procedures are essential to achieve the desired blackening effect.

Translation:

磷酸錳黑化 (Manganese Phosphate Blackening)

抗腐蝕性 (Corrosion resistance)

改善潤滑性 (Improved lubrication)

美觀性 (Aesthetic appeal)

降低反射 (Reduced reflection)

定期維護 (Regular maintenance)

外觀持久 (Long-lasting appearance)