Matte tin additive

Sn-818 is a fluorine-free tin and tin-lead process that can be used for rack plating,barrel plating and continuous electroplating. In a wide range of current density,a thin,fine,misty and uniform coating can be obtained.

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Product Description

Product Name: Matte tin additive Packing specification: 25kg / barrel
Product appearance: Light yellow to brown liquid Solubility in water: all dissolved
Specific gravity: 1.00-1.02 PH value: 4.0-6.0
Storage method:Ventilated and dry place Shelf life: 2 years

Instructions for use

Tin methanesulfonate

50-250 ml/L (bivalent tin: 15-75 g/L)

Methanesulfonic acid


Sn-818A additive


Sn-818B additive




Current density



Pure tin anode


Continuous filtration


Strong solution agitation or cathode movement


Recommended to use

Product features



Free of harmful

heavy metals such

as lead

Meet the EU ROHS environmental protection requirements,is a good choice for export products





The coating has

dense crystals,

white and smooth

It is not easy to produce whiskers,meets the test standards of the electronics industry,and has high quality assurance for electronic products


Allowable current

density operating

range is wide

The current density range is

0.5-30A/dm²,which is convenient

for daily production operation and maintenance





Good bath


It is especially suitable for barrel plating and rack plating of various electronic parts such as patches

and diodes.


The coating has low

organic content,excellent

discoloration resistance

and solderability

After long-term high temperature

and steam aging test or long-term storage,it can still maintain matte color and excellent welding performance





The plating solution

is widely applicable

and easy to control

Sn-818 matte tin additive can

maintain stability at various

temperatures,so it is suitable for

all coil plating,sheet plating,rack plating and barrel plating processes

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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