Custom Flux

Legend, Inc is North America’s premier manufacturer and supplier of quality, Gold Free and Gold & Silver Free Flux and Litharge. Our quality system guarantees the levels of gold in the fire assay flux are less than 1-1.5ppb making it ideal for low level assay work.

Legend Inc exports the product to every gold producing country across the world.

Legend, Inc Custom Fire Assay Flux can be custom-made to specific formulations and a variety of packaging options are available.

UN Rated Pails
22 lb Pails (48 Pails per Pallet), 43 lb Pails (36 Pails per Pallet) and 62 lb Pails (33 Pails per Pallet)

Seal Poly Bags
25 lb Sealed Bags shipped in UN Rated Supersacks (48 Bags per Bulk Bag)

GOLD & SILVER FREE Assay Litharge – Lead Oxide (PbO)
A Reddish / Orange Granular Assay Litharge that is C.P. grade (Chemically Pure). This material is used for fire assaying processes for the quantitative determination of precious metals in an ore. It is the purest form of litharge, and is milled to a fine and uniform particle size for enhanced reactivity and consistency of reaction. (see Specifications……)

GOLD FREE Assay Litharge – Lead Oxide (PbO)
A yellow / orange Granular Assay Litharge that is C.P. grade (Chemically Pure). This material is used for fire assaying processes for the quantitative determination of precious metals in an ore. It is the purest form of litharge, parti cularly low in silver, and is milled to a fine and uniform particle size for enhanced reactivity and consistency of reaction. (see Specifications……)