--- product_id: 14489722 title: "Stainless Steel Soldering Flux – 1 Pint Bottle | Industrial-Grade Acid Flux for Steel, Brass, Nickel & Hard-to-Solder Metals | Fast Acting, Strong Bond, Made in USA" brand: "rubyfluid" price: "33547CFA" currency: XOF in_stock: true category: "Rubyfluid" url: https://www.desertcart.sn/products/14489722-stainless-steel-soldering-flux-1-pint-bottle-industrial-grade-acid store_origin: SN region: Senegal --- # Fast-acting solder wetting Industrial-grade acid formula Made in USA since 1903 Stainless Steel Soldering Flux – 1 Pint Bottle | Industrial-Grade Acid Flux for Steel, Brass, Nickel & Hard-to-Solder Metals | Fast Acting, Strong Bond, Made in USA **Brand:** rubyfluid **Price:** 33547CFA **Availability:** ✅ In Stock ## Summary > ⚡️ Solder Tough Metals Like a Pro — Fast, Strong, and Built to Last! ## Quick Answers - **What is this?** Stainless Steel Soldering Flux – 1 Pint Bottle | Industrial-Grade Acid Flux for Steel, Brass, Nickel & Hard-to-Solder Metals | Fast Acting, Strong Bond, Made in USA by rubyfluid - **How much does it cost?** 33547CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/14489722-stainless-steel-soldering-flux-1-pint-bottle-industrial-grade-acid) ## Best For - rubyfluid enthusiasts ## Why This Product - Trusted rubyfluid brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted Legacy Since 1903:** Over a century of consistent, professional-grade performance made in the USA. - • **Engineered for Tough Metals:** Specially formulated for stainless steel, nickel, brass, and other hard-to-solder surfaces where ordinary fluxes fail. - • **Rapid Wetting & Strong Bonds:** Promotes quick solder flow and corrosion-resistant joints that last in demanding industrial environments. - • **Generous 1-Pint Resealable Bottle:** Durable packaging designed for heavy-duty use and long-lasting supply on your workbench. - • **Ideal for HVAC, Fabrication & Repairs:** Powerful acid flux trusted by tradespeople for precision metalworking and tough repairs. ## Overview Rubyfluid Stainless Steel Soldering Flux is an industrial-strength acid flux designed specifically for stainless steel, nickel, brass, and other hard-to-solder metals. Trusted by professionals since 1903 and made in the USA, it ensures rapid wetting and strong, corrosion-resistant solder joints. Packaged in a convenient 1-pint resealable bottle, it’s perfect for HVAC, fabrication, and metalworking applications where reliability and durability are non-negotiable. ## Description Rubyfluid Stainless Steel Soldering Flux – Engineered for Hard-to-Bond Metals Tackle the toughest soldering jobs with Rubyfluid Stainless Steel Soldering Flux, purpose-built for stainless steel, nickel, and other challenging metals. This industrial-strength acid flux is trusted by professionals in HVAC, metalworking, manufacturing, and precision fabrication for its ability to break through oxidation and promote strong, durable solder joints—even on the most stubborn surfaces. Unlike general-purpose fluxes, Rubyfluid’s stainless steel formula is optimized for high-temperature performance, rapid wetting, and superior bonding strength. Use it on fittings, sheet metal, appliances, or assemblies where clean, lasting joins are critical. Proudly made in the USA since 1903, Rubyfluid continues to set the standard in specialty soldering fluxes. Available in a convenient 1-pint size for efficient shop use. Contains Zinc Chloride and Hydrochloric Acid, not for electronics use. ## Features - Designed for Stainless Steel & Tough Metals – Specially formulated for stainless steel, nickel, brass, and other hard-to-solder surfaces where general fluxes fail. - Strong, Reliable Solder Joints – Promotes rapid wetting and uniform flow to ensure high-strength, corrosion-resistant connections in demanding environments. - Industrial-Grade Acid Flux – Powerful acid-based formula for professional applications; ideal for fabrication, repair, HVAC, and metalworking shops. - Made in the USA Since 1903 – Trusted for over a century, Rubyfluid’s fluxes deliver consistent results for tradespeople and manufacturers alike. - 1 Pint Value Bottle – Durable, resealable container for extended use; perfect size for shop floors, toolkits, and heavy-duty projects. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B007BGYQEC | | Best Sellers Rank | #25,773 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #38 in Soldering Flux | | Customer Reviews | 4.6 4.6 out of 5 stars (269) | | Date First Available | February 20, 2012 | | Item Package Quantity | 1 | | Item Weight | 1.37 pounds | | Item model number | FLSRUBYFLUIDSS | | Manufacturer | Superior Flux | | Material | stainless steel | | Part Number | RUBYFLUIDSS | | Product Dimensions | 7.8 x 2.1 x 1.5 inches | | Usage | Jewelry | ## Images ![Stainless Steel Soldering Flux – 1 Pint Bottle | Industrial-Grade Acid Flux for Steel, Brass, Nickel & Hard-to-Solder Metals | Fast Acting, Strong Bond, Made in USA - Image 1](https://m.media-amazon.com/images/I/51aUbz145ML.jpg) ## Frequently Bought Together - Rubyfluid Stainless Steel Soldering Flux – 1 Pint Bottle | Industrial-Grade Acid Flux for Steel, Brass, Nickel & Hard-to-Solder Metals | Fast Acting, Strong Bond, Made in USA - Essmetuin Special Core Solder Wire For Stainless Steel/Nickel Sheet/Zinc Flake/Copper/Iron Sheets/Aluminum Soldering, Multifunctional Core Solder Wire 1.0mm(0.04in) 1.4oz/2pack - Special Flux in Solder Wire, for Soldering Stainless Steel, Iron Sheets, etc., Multi-Functional Solder Wire (100g) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sn/products/14489722-stainless-steel-soldering-flux-1-pint-bottle-industrial-grade-acid](https://www.desertcart.sn/products/14489722-stainless-steel-soldering-flux-1-pint-bottle-industrial-grade-acid) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-09-21*