Chromium-free passivation liquid for tin layer, tin layer antioxidant , tin layer passivation fluid, high quality non-chrome passivation liquid , metal surface passivation agent , Tin layer anti-oxidation

Chromium-free passivation liquid for tin layer, tin layer antioxidant , tin layer passivation fluid, high quality non-chrome passivation liquid , metal surface passivation agent , Tin layer anti-oxidation

First,.Product Number : Q/YS.404(Yi Shun brand)

Second,Product Performance:

This product can make the surface of tin-plated layer form a smooth passivation layer, protect the tin from oxidation，it contributes to welding. you can boldly use because of products are environmentally friendly .

Third,  Product Index:

1.The specific gravity：is greater than 1.0.

2.PH；4-6.

3.Appearance：transparent liquid without color.

Fourth, Operation process：

A ,Add three times pure water（or Deionized water）into the passivation solution of tin  ，products is packaged  in a plastic or glass container

B,Immersed after about a minute in the tin passivation solution, the workpiece is taken out and washed with clean water。

C,The use of air knife（air compressor high pressure air）drying the workpiece.

Fifth, matters needing attention：

 A ,Passivated  workpiece should be promptly air-dried at room temperature.

 B,Wear latex gloves to avoid appearing fingerprints in the process of operation.

 C ,Products is sealed to prevent pollution.

Other processing：Stainless Steel blackening agent at ambient temperature、Environmental overspeed deplating agent（copper，tin，lead）、Tin stripping liquid(Iron base material)、Colorful passivation agent of zinc without chrome、Steel passivation Agent