Skip to content
FREE SHIPPING ON ORDERS OVER $100 (exclusions apply)
(exclusions apply)

30011 OATEY No.5 Paste Flux, 1.7 oz.

Original price $2.24 - Original price $2.24
Original price
$2.24 - $2.24
Current price $2.24
31 in stock, ready to be shipped

Oatey® 1.7 oz. No.5 Paste Flux.

Oatey® No. 5 Paste Flux is a petrolatum-based flux designed to provide superior wetting properties for better solder flow. It can be used with most soft solders, 100% lead-free and safe for use on potable water applications. No. 5 Paste Flux's formula prevents copper piping turning green and is excellent for large diameter copper pipe applications. 

Safety Data Sheet

Spec Sheet

Don't have what you need?

Please call 800 624-8296 for our customer concierge team, or use our live chat.


  • 100% lead-free paste flux cleans and fluxes copper piping to provide uniform solder flow
  • Compatible with all common plumbing solder alloys
  • Effective on all metals except aluminum and stainless steel
  • For warranty product details, refer to the Oatey Limited Warranty document
  • Good for large diameter copper piping
  • Includes brush for easy flux application
  • Material is safe for use in potable water applications
  • NSF standard 14 (performance) and standard 61 (health effects) certified
  • Petroleum base provides cleaning effectiveness
  • Will not turn copper piping green
  • Specifications

      Size: 1.7 oz.
      Weight: 0.15 LB
      Brand: Oatey
      Lead: No
      Product Type: Regular Flux
      Color: Amber

    Request a quote
    Free Shipping*

    When you spend $100+

    Exceptional Pricing

    Open an account today for additional discounts

    Chat or Phone

    U.S Based Customer Concierge Service

    Nationwide Coverage

    Find a Warehouse near you


    This was one of the easiest transactions I have made in a very long time. I for sure will purchase from you again.

    Roy S. | Thomasville, GA

    We have always been taken care of with great respect and efficiency... and our delivery person is always on time and efficient.

    Bev C. | Canton, MI

    The customer service team takes on all questions and concerns diligently and works hard on any projects or concerns.

    Hope B. | Freehold, NJ

    *Free shipping over $100 available nationwide. Excludes hard pipe, and items 10ft+. For such items, the minimum to qualify for free shipping is $2500 if the shipping address is within 200 miles of your nearest American Copper & Brass Distribution Facility, otherwise charges apply.