Specification Brand : PMC Supplies LLC BulletPoint1 : Keeps metal castings cleaner BulletPoint2 : Works for soldering purposes too BulletPoint3 : Made in the U.S.A. BulletPoint4 : Polishing: because Tungsten Carbide has a very strong hardness, and we will carefully polish each hole to ensure smooth and round, all the surface of the wire passing through this wire drawing board is as bright as polished. BulletPoint5 : Great tool for drawing wire Jewelry Making Color : White CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier : 7415232920225 ExternallyAssignedProductIdentifier1 : 787015683151 ExternallyAssignedProductIdentifier2 : 0787015683151 ItemName : 3 Lbs Pound 48 Oz Boric Deoxidizing Casting Flux for Melting Assaying Refining Gold Silver Copper Separating Impurities ItemPackageDimensions_Height : 4 inches ItemPackageDimensions_Length : 8 inches ItemPackageDimensions_Width : 6 inches ItemPackageQuantity : 1 ItemTypeKeyword : jewelry-casting-tools Manufacturer : PMC Supplies LLC Material : Powder MetalType : base ModelNumber : 3-LB-BORIC-ACID NumberOfBoxes : 1 PartNumber : 3-LB-BORIC-ACID ProductDescription : A high-grade, super-fine flux that keeps your metals cleaner during melts and pours. For melting, casting, and refining metals such as gold, silver, copper, iron, sterling silver, tin, nickel, and their alloys. Works as an antioxidant in soldering. Proudly made in the U.S.A. ProductSiteLaunchDate : 2011-11-05T07:00:00.000Z SafetyDataSheetUrl : http://pmcsupplies.com/media/msds/Boric- Acid-SDS_PMC.pdf Size : 3 LB (48 OZ) Style : default SupplierDeclaredDgHzRegulation : ghs TargetAudienceKeyword1 : jewelry-artists TargetAudienceKeyword2 : refiners TargetAudienceKeyword3 : casters UnspscCode : 23271800