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The current position: > Product > Plating after-treatment series > ANIM® SN-91 Heat-resistance Tin Protective Agent

ANIM® SN-91 Heat-resistance Tin Protective Agent

ANIM® SN-91 tin protective agent is especially used in electronic packaging technological process, which can reduce the discoloration of the plated workpiece after reflow soldering, and protect the weldability of the plated layer and strengthen the corrosion resistance. Meanwhile, it shall not pollute the plated layer and affect the performance of the plated layer. After being treated by the ANIM? SN-91 tin protective agent, it can form even and stable surface structure. After reflow soldering and annealing treatment, it can effectively reduce the formation of the oxidation layer in case it shall affect the solderability and the contact resistance of the plated layer. Experimental results show that ANIM? SN-91 heat-resistance tin protective agent is not only applicable to the bright tin plating technology, but also applicable to matte tin plating technology.

Characteristics of the Product

1. Simple soaking treatment can prevent the generation of the water wave on the layer surface and the change of the color.

2. It can be analyzed with simple method, and is easy to manage.

3. It is the colorless and transparent acidic liquid, which has more remarkable effect when compared with traditional alkaline or neutral post-treatment.

4. It can stabilize the layer surface, and is not easy to oxidize when compared with the tin plated layer without post-treatment.

5. This technology has outstanding result in controlling reflow soldering discoloration and oxidation degree.

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