Methyl tin gloss agent

Sn-819 is a tin plating process based on methanesulfonic acid substrate. The coating is bright,suitable for rack plating and barrel plating. The weldability of the coating is superior. The plating solution does not corrode titanium,ceramics,and glass.

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Product Description

Product Name: Organic acid type tin plating brightener Packing specification: 25kg/barrel
Product appearance: Orange-yellow to brown liquid Solubility in water: all dissolved
Specific gravity: 1.00-1.06 PH value: 2.0-5.0
Storage method: Ventilated and dry place Shelf life: 2 years

Instructions for use

Tin methanesulfonate

50 ml/L (bivalent tin: 13-20 g/L)

Methanesulfonic acid

140 ml/L (100-180 g/L)

Sn-819A softener


Sn-819B brightener




Current density


Anode Pure tin anode
Filter Continuous filtration
Stir The cathode moves at a speed of 0.5-1 m/min.Air stirring is not allowed

Product features




polyoxyethylene ether

Comply with ROHS and ELV

environmental protection


  SGS product


passivation film


No formaldehyde

The plating solution does not

contain carcinogens,No exhaust required,and there is no abnormal smell at the side of the tank,which

is beneficial to the physical and mental health of workers


Good leveling and

covering performance

of the coating

uniform brightness

Suitable for electroplating of electronic parts with decorative

and functional requirements

  Excellent corrosion


temperature resistance

The coating has

excellent resistance

to discoloration

Can reach 150℃ high temperature baking for 16 hours or 100℃

steam fumigation for 10 hours,

no yellowing




After passing the high temperature reflow test and steam aging test,

the solderability of the plating

layer will not decrease



High tolerance



The plating solution

is stable and easy to

be controlled

Proved by more than 100 manufacturers,the plating solution will not be turbid in long-term use,

and the proportion of additives will not be out of balance,Only needs the supplement of Sn-819A

softener and Sn-819B brightener according to the method in the instruction,you can get a uniform

and bright coating

Scope of application

Scope of application

About us

Qualification strength

R & D strength

Cooperation brand


1. Q: Do you make the products yourself? Are you a trader or a manufacturer?

A: Yes, the products are produced by our company. Our company is a manufacturer focusing on the R&D and manufacturing of environmental protection electroplating additives. Our factory has 5000 square meters with an annual capacity of 15000 tons.


2. Q: Can your company send samples for trial?

A: We can provide samples for trial.


3. Q: What is the quality of your products?

A: Our company all products core raw materials is used by Germany BASF, American Dow Chemical and other international brand products. The production process is strictly in accordance with the ISO9001 quality management system, from the incoming inspection, product inspection, according to the strict inspection standard, ensure that every drop of products qualified. Product quality you can rest assured, like BYD, Huawei, Foxconn such enterprises are also using our products.


4. Q: How long is the shelf life of your products?

A: The shelf life of our products is two years. If you do not use up the products within a short time after you buy them, we suggest you store them in a cool place, not in the sun or in a high temperature environment.


5. Q: Are your products environmentally safe?

A: Our products have passed the SGS test and are recognized as "Green and Environment-friendly Promotion Products". Many auto parts and electronic products which use our products can pass the strict environmental protection test when they are exported to Europe and America. Therefore, we can be trusted in terms of environmental protection and safety.


6. Q: Can your company provide technical services?

A: Yes, our company has a technical service team of more than 10 people. The technical engineers all have more than 20 years' experience in electroplating factory. They can provide customers with comprehensive technical of pre-sales and after sales.


7. Q: Is it possible to visit your company?

A: Yes, of course. You are very welcome! We can meet you at Jieyang airport, If you can come to our city. Also you can visit our factory through live video.


8. Q: Can you customize products according to our needs?

A: Yes, our company has research and development strength, the product formula derived from Europe and the United States laboratory, European and American engineers technical support, work together with domestic universities. Our company has a member of Guangdong province expert enterprise workstation, Shantou university science and technology correspondent workstation, Jieyang city environmental protection engineering research center for electroplating additive.Therefore, it can meet all kinds of customized requirements proposed by customers.

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