FOR SALE IS ONE (1) NEW FOUR ounce size (4 oz) PLASTIC JAR OF REGULAR SOLDERING FLUX PASTE WITH BRUSH IN CAP BY LA-CO INDUSTRIES INCORPORATED MPN 22194 UPC# 048615221946. LA-CO BRAND REGULAR SOLDERING PASTE FLUX 22194 IS A WATER SOLUBLE FLUX THAT MEETS INDUSTRY STANDARDS ASTM N813, WITH NSF AND UPC APPROVALS. THIS JAR INCLUDES CONVENIENT BRUSH IN CAP FOR EASY APPLICATION. THIS ALL WEATHER REGULAR SOLDERING FLUX IS THE ULTIMATE FLUX FOR ALL COPPER SOLDERING, HIGHLY EFFECTIVE FOR JOINING COPPER TO COPPER, OR COPPER TO BRASS. WATER SOLUBLE PASTE DOES NOT LEAVE A RESIDUE ON WATER PIPING, MEETS INDUSTRY STANDARD ASTM B813 AND CONTAINS NO ZINC CHLORIDE TO REDUCE CORROSION CONCERNS, NON ACID, NON TOXIC, AND LEAD FREE TO ELIMINATE SAFETY CONCERNS. LA-CO SOLDERING PASTE ALLOWS SOLDER TO RUN MORE SMOOTHLY AROUND THE PIPE. THIS ALL WEATHER FORMULA IS FOR USE IN HOT AND COLD CLIMATES. FOR USE ON OR WITH ALL LEAD FREE AND COMMON SOFT SOLDERS, COPPER, BRASS, GALVANIZED IRON, LEAD, ZINC, TIN, SILVER, NICKEL, MILD STEEL, TERNE PLATE AND MALLEABLE IRON. MADE IN THE USA BY LA-CO INDUSTRIES INCORPORATED, ELK GROVE, ILLINOIS, USA. YOU WILL RECEIVE ONE (1) FOUR ounce PLASTIC JAR OF LA-CO REGULAR SOLDERING FLUX WITH BRUSH IN CAP SHIPPED BY USPS FIRST CLASS MAIL..... directions..... clean surfaces to be soldered by removing all rust, grease, dirt, paint, etc. cleaning can be done with steel wool, sandpaper, wire brush, etc. apply flux with brush to all cleaned surfaces. heat the parts to be joined with soldering iron or torch hot enough so that heated parts will melt the solder. (do not melt solder on soldering iron tip.) avoid direct hearing of flux. feed solder wire to heated joint. solder should melt and flow between parts. if not, apply more flux and reheat. remove solder, then soldering iron or torch from joint area. do not disturb until joint area has cooled. clean off flux residue with warm, damp cloth. note..... this product is also available in a (smaller) 2 ounce jar. i carry a full line of quality solder, specialty flux and soldering accessories from Voltage Pro, Bernzomatic Worthington, Alpha Fry and LA-CO brands, visit my store and search keyword SOLDER BID AND BUY HERE IN IN ABSOLUTE CONFIDENCE SINCE I HAVE THOUSANDS OF POSITIVE FEEDBACK. I SHIP WITHIN TWO DAYS OF RECEIPT OF PAYMENT, OFTEN THE NEXT DAY. $3.28 USPS FIRST CLASS GREEN SHIPPING USING RECYCLED PACKAGING MATERIALS AND ENVIRONMENTALLY FRIENDLY MATERIALS TO ANYWHERE USA. I DO NOT SHIP ANYWHERE ELSE. HAVE A GREAT DAY AND THANK YOU FOR STOPPING BY.......