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Boric Acid 4 oz
Boric Acid 4 oz

Price: $5.35
Product Dimensions: 4oz jar
Made in USA
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Boric Acid 4 oz

Boric acid is mixed with denatured alcohol to create a solution called fire coat. This boric acid/denatured alcohol mixture protects sterling silver from fire scale during heating and soldering.

a fire coating to protect silver, copper and gold from forming fire scale during heating.