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  Home > Soldering Materials > Bar Solder > Leaded > Flo-Bar Solder >

  Kester 07-6337-1930 - SN63PB37 Ultrapure Flo-Bar 8.5 lb Bar

Kester Ultra Low Dross Flo-Bar
Kester Solder

Authorized Distributor

In stock items ship in 24-48 hours!
Otherwise, on order with the manufacturer
and will ship in approximately 3-4 weeks.

Price: $152.91
Minimum order must be purchased in multiples:   10

Part #: KESTER-07-6337-1930

Product Description

Kester 07-6337-1930 is Leaded, ultrapure flo-bar solder. This bar solder is comprised of SN63PB37 or 63 percent tin and 37 percent lead. 

Additionally, it is sold per 8.5 lb bar.

Kester Ultra Low Dross Bar Solder is a high quality solder developed by Kester.  Kester Ultra Low Dross is designed to decrease the amount of dross generated in a wave solder or dip solder process.  Kester Ultra Low Dross is manufactured to meet the high standards of Kester Ultrapure line of bar solders.  In addition, Kester incorporates low dross technology to greatly reduce the amount of dross generated while in use.  When molten solder comes in contact with air, it forms oxide or dross.  This dross mixes with the solder in the upper layer of solder in the solder pot to form a pasty solder dross mixture.  Many solder impurities have been known to contribute to dross formation.  Aluminum, cadmium, iron, and zinc are the most common impurities that contribute to dross formation.  Kester Ultra Low Dross exceeds the requirements of current industry standards for allowable impurity levels thus eliminating any dross build up due to alloy purity.  The exclusive Kester Ultra Low Dross manufacturing process goes one step further to provide a special low dross alloy.  Kester Ultra Low Dross integrates low dross technology with kester's extruded bar manufacturing process. To minimize oxidation and alloy segregation, Kester pours and quick chills a very large ingot (wighing up to 250 lbs).  The ingot is inserted into an airtight hydraulic press which then extrudes bars in a highly efficient and automated manner.  Personnel handling Ultra Low Dross wear gloves to prevent contamination from body salts and oils.  Old-fashioned methods of pouring individual small bars lacks protection from the atmosphere in the molten state and exposes more surface area which produces correspondingly more oxide.  Kester Ultra Low Dross yields less dross, brighter joints, more connections per pound of solder and reduces need for touch-up.

Prices subject to change without notice. Stock can change at any time. Prices are for online orders only.

Soldering Materials > Bar Solder > Leaded > Flo-Bar Solder
Soldering Materials > Bar Solder > Leaded > Ultra Low Dross Bar Solder
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