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Fluxrite Soldering Flux Paste – 100g

  • Creates clean, professional-looking solder joints
  • Improves solder flow and adhesion
  • Protects metals from oxidation and corrosion
  • Reduces the risk of dry joints and cold solder
  • Saves time and effort by simplifying the soldering process

£10.99 ex. VAT     £13.19 inc VAT

Worldwide Delivery
Rated excellent on Google
Over 50 years welding expertise
Free delivery over £85 inc. VAT

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Fluxrite Soldering Flux Paste – 100g: Achieve Strong, Reliable Soldering Joints Every Time

Elevate your soldering projects with Fluxrite, the premium-grade flux paste trusted by professionals and hobbyists alike.

This high-performance, all-purpose formula is meticulously designed to clean, protect, and optimise the soldering process, ensuring flawless results for a wide range of applications.


  • Versatile: Suitable for copper, brass, and mild steel, making it an ideal choice for various electrical, plumbing, and mechanical projects
  • WRAS Approved: Safe for use in both hot and cold water systems, meeting strict UK regulations for plumbing applications
  • Active Flux: Powerful formula effectively cleans oxides and impurities from metal surfaces, promoting stronger, more reliable solder joints
  • Easy to Use: Smooth paste consistency allows for precise application and minimal mess
  • Long Shelf Life: 3-year shelf life ensures you have reliable flux on hand whenever you need it



Safety Datasheet

Solder of Metals Guide

Additional information

0.154 kg


6 × 6 × 6 cm




Click and Collect:
Free Click and Collect with no minimum spend from our warehouse on the Empress Park, Southampton with on-site parking. Once your order has been processed, we will advise you when it is ready for pickup.  Just want advice?  No problem.  Feel free to call in to speak to one of our friendly experts.

EWS Fleet Coverage Areas: 
Southampton | Eastleigh | Winchester | Alton | Farnham | Petersfield | Havant | Hayling Island | Waterlooville | Fareham | Portsmouth | Gosport | Chichester | Arun | Worthing | New Forest | Christchurch | Salisbury | Wiltshire | Test Valley | Basingstoke and Deane | West Berkshire | Reading | Hart | Waverley | East Hampshire | East Dorset | Hampshire | Bournemouth | Poole | Lymington | Ringwood | Verwood | East Preston | Goring-by-Sea | Lancing | Shoreham-by-Sea | Steyning | Bramber | Horsham | Adur

Nationwide Delivery (all items excluding gas cylinders):
Free UK mainland (England, Scotland and Wales) delivery on orders over £85 inc. VAT.
UK mainland delivery is £7.50 inc. VAT on orders under £85 inc. VAT.
UK islands and Northern Ireland shipping costs may vary.

UK Delivery for Gas Cylinders:
Shipping costs for gas cylinders are calculated at checkout once the delivery postcode is entered.

International Delivery:
Please contact us for an accurate delivery quote.

Fluxrite Soldering Flux Paste - 100g

Fluxrite Soldering Flux Paste – 100g

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£10.99 ex. VAT     £13.19 inc VAT
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