1 Lb. Jar Water Soluble Regular Flux Paste

LA-CO Regular Flux Paste – Technical Product Information

LA-CO Regular Flux Paste delivers proven reliability and consistent performance for professional soldering operations. Engineered for use in demanding environments, this water-soluble flux ensures optimal wetting and bonding characteristics on a range of metals commonly used in mechanical, plumbing, and fabrication applications. Suitable for both production and field conditions, it provides uniform application and clean residue removal post-soldering.

Technical Specifications

• Product Code: 022107 LACOI FLUX SOLDERING PASTE N/ACID 1# 368
• Manufacturer: LA-CO / Markal
• Form: Paste
• Color: Yellowish to White
• Odor: Faint
• pH: 6.5 – 7
• Flash Point: >204°C
• Composition:
  • 10–20% Ethanolamine Hydrochloride
  • 10–20% Polyethylene Glycol
  • 10–20% Poloxamer
  • 5–15% Ammonium Chloride
  • 0.1–1% 2,6-Di-tert-butyl-4-methylphenol (BHT)
  • 0–1% Oleic Acid
  • 0.001–1% Sodium Hydroxide
• Applicable Metals: Brass, Copper, Galvanized Iron, Lead, Silver, Malleable Iron, Mild Steel, Nickel, Tin, Terne Plate, Zinc
• Type: Non-Acid, Water-Soluble Flux Paste

Professional Summary

Specifically formulated for professional-grade soldering, LA-CO Regular Flux Paste ensures superior wetting on ferrous and non-ferrous metals, producing strong, leak-free joints. Its controlled chemical balance enhances capillary action without corrosive residue, enabling reliable performance under diverse field and fabrication conditions. Trusted globally, this flux is a standard in mechanical, HVAC, and plumbing trades where consistent joint integrity and process repeatability are critical.