Skip to content
Contact Us Jewelry School Partners Frequently Asked Questions Submit Tax Exemption
Handy Flux Paste Flux - Otto Frei
Otto Frei

Handy Flux Paste Flux

Part # 154.420 35 In Stock Weight -- lb / -- g
$10.15
Volume pricing
Total qty Discount Per unit You save
1 – 2 — $10.15 —
3 – 4 5% off $9.64 $0.51
5 – 9 10% off $9.13 $1.02
10 + 12% off $8.93 $1.22
Add 2 more for 5% off, saves another $0.51 each.
Select Size: 7 oz.

Handy Flux Paste is a trusted soldering flux formulated for use with gold, silver, brass, copper, and other non-ferrous metals. Its paste consistency allows for precise application to joints and seams, helping to prevent oxidation and promote clean solder flow across a wide temperature range.

Features

  • Suitable for soldering gold, silver, brass, copper, and other non-ferrous metals
  • Paste formula allows for controlled, targeted application
  • Effective temperature range of 1100°F–1700°F
  • Contains fluorides, potassium, and hydroxide
  • If flux dries out, consistency can be restored by adding a few drops of distilled water

Specifications

Composition Contains fluorides, potassium, and hydroxide
Temperature Range 1100°F–1700°F
Compatible Metals Gold, silver, brass, copper, and other non-ferrous metals
Form Factor Paste

Available Options

Part # Size
154.420 7 oz.
154.421 16 oz.

Notes

Store paste flux in a cool, dry place. If the flux dries out over time, add a few drops of distilled water and mix to restore it to its original consistency. Contains fluorides — handle with appropriate care and follow all safety precautions when using fluoride-containing compounds.

California Prop 65 Warning California Prop 65 Warning:
Cancer and Reproductive Harm. www.P65warnings.ca.gov.
Brand
Otto Frei
Part #
154.420
Type
Torches
Country of Origin
United States
Dimensions
3 in x 3 in x 3 in
Composition
Contains fluorides, potassium, and hydroxide
Temperature Range
1100°F–1700°F
Compatible Metals
Gold, silver, brass, copper, and other non-ferrous metals
Form Factor
Paste