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MG Chemicals 421 Liquid Tin, 125 ml Bottle

24 customer reviews
| 4 answered questions

Price: $11.95 ($11.95 / Bottles) & FREE Shipping on orders over $35. Details
In Stock.
Ships from and sold by Amazon.com.
125 mililiters
  • Enter your model number above to make sure this fits.
  • Quickly tinplates copper circuits on PC boards in 5 minutes or less at room temperature
  • Provides excellent solderability
  • Protects against oxidation
  • No mixing or dilution required
  • For commercial/industrial use only
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6 new from $11.95
Special Shipping Information: This product may not be available for 1 or 2 day shipping due to federal regulations that require it to ship via ground ship methods only. This product can only be shipped within the 48 contiguous states.


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Frequently Bought Together

MG Chemicals 421 Liquid Tin, 125 ml Bottle + MG Chemicals 415 Ferric Chloride Liquid, 1 Quart Bottle, Dark Brown + 10Pcs PCB Print Circuit Board Carbide Micro Drill Bits 0.3mm to 1.2 mm
Price for all three: $29.90

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Product Description

Size:125 mililiters

This MG Chemicals 421 Liquid Tin is a clear immersion tin for coating a copper substrate or solder deposit with a dense tin coating. It tinplates copper circuits on PC boards in 5 minutes or less at room temperature for immediate soldering capability. It leaves a dense coating, and it contains no co-deposited organics for strong resistance to oxidation. Liquid Tim can be readily soldered, has a long shelf life, and does not require mixing or diluting. Residues can be rinsed away with warm water for easy cleanup. Liquid Tin will cover 3600 square inches of board per half liter of solution, and it is Restriction of Hazardous Substances (RoHS) compliant. This solution is strongly acidic; protective gloves, clothing, and eye protection must be worn.

MG Chemicals manufactures chemical products for the electronics industry. The company, founded in 1955 and headquartered in Surrey, BC, Canada, meets International Organization for Standardization (ISO) standard 9001.


Product Information

Size: 125 mililiters
Technical Details
Part Number 421-125ML
Item Weight5.6 ounces
Product Dimensions4.5 x 1.8 x 1.8 inches
Item model number421-125ML
Size125 mililiters
Item Package Quantity1
CertificationRoHS
  
Additional Information
ASINB005T8PE4A
Best Sellers Rank #49,631 in Home Improvement (See top 100)
Shipping Weight5.6 ounces (View shipping rates and policies)
Domestic Shipping Item can be shipped within U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First AvailableAugust 15, 2012
  
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Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

3 of 3 people found the following review helpful By dgeorge on March 21, 2014
Size: 125 mililiters Verified Purchase
This product arrived on time and as advertised. I create custom PCBs for my electronic projects and this product is totally amazing. After etching the copper boards a quick dip in this liquid applies a tin coating that makes soldering components very easy as well as protecting the copper traces from oxidation. i recommend this product and vendor.
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2 of 2 people found the following review helpful By John F. Davis on March 28, 2013
Size: 475 milliliters Verified Purchase
It is good stuff. It will instantly change copper to tin traces on a printed circuit board. Dip it in solution and its good to go.
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By t1d on July 15, 2015
Size: 125 mililiters Verified Purchase
The bottle was appropriately packaged and arrived quickly.

The tinning liquid is very easy to use. You need to start with a clean PCB, free of corrosion/tarnish, hand oil, bits of transfer paper and the like. Here is what I do. I scrub the copper traces under running water with a nylon scrubby pad to remove any tarnish. The next step is to wipe it down with acetone (Not fingernail polish remover... It has to conditioners in it) to remove any hand oil. The final step is to wipe it down, again, with rubbing alcohol, to remove any residue.

Throughout the process, you need to be mindful to not touch the board, again, and contaminate it. Handle it by its edges.

When thoroughly clean, place the PCB in a clean glass, or Pyrex, bowl. The bowl needs to be large enough to allow the PCB to lie flat on the bottom and deep enough to contain the tinning solution. It should be sized such that you can immerse the PCB in the fluid.

Add the tinning fluid to cover the PCB, but not so deep as to waste it. Call it 1/4".

The magic starts almost instantly. I gently rock the bowl to keep the solution stirred... Well, so as to have an excuse to watch the transformation, anyway... The tinning process is finished in just five minutes, or so. The board comes out looking like it was professionally tinned!

Cleaning up is a breeze. I use a funnel to pour the remaining fluid back into the bottle. I rinse the bowl and put it in the dishwasher.

The results are impressive and worthy to be shown-off to friends. The tinning also helps with solder adhesion.

I like this product and I will by it again.
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1 of 1 people found the following review helpful By gth on January 8, 2014
Size: 125 mililiters Verified Purchase
Get a small plastic funnel, some shallow tupperware, and follow the directions.
This works quickly and doesn't produce tons of fumes. Outside use is recommended though. You won't be out there long.

Enjoy!
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3 of 4 people found the following review helpful By Bowman Cline on December 14, 2012
Size: 125 mililiters Verified Purchase
SRA contacted me to say the product was backordered, but despite splitting the shipment everything arrived before the expected date. Not my first purchase from SRA - and will definitely not be my last.
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1 of 1 people found the following review helpful By Ron on September 18, 2013
Size: 475 milliliters Verified Purchase
Easily the best liquid tin solution I've used (25+ years). Kinda stinks tho, so make sure you have good ventilation.
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1 of 1 people found the following review helpful By John G.Rhiel on November 26, 2013
Size: 125 mililiters Verified Purchase
This item worked like a champ, I was very impressed by its coating ability. Tes i would recommend this product.
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Size: 125 mililiters Verified Purchase
Fast working, and works at room temperature in just a couple minutes. For best results, go over your board with some scotchbrite or sandpaper. Once you rinse off the board the end result is an even dull tin finish. You won't be able to scratch it with a fingernail, but a sharp object with light pressure can scratch it. I bought it to dip my Radio Shack brand prototype boards since I have enough to last a few years now. :)
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MG Chemicals 421 Liquid Tin, 125 ml Bottle
This item: MG Chemicals 421 Liquid Tin, 125 ml Bottle
Price: $11.95
Ships from and sold by Amazon.com
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