Product Center
Specializes in R&D and production of fire assay fluxes, widely used for precious metal testing including gold, silver, and copper.

Fire assay flux
High-purity Fire Assay Lead Oxide
Au < 1 ppb | Ag < 0.2 ppm | Spec: 500g/bottle

Fire assay flux
High-Purity Boric Acid Flux HN-101
Purity: ≥99.9% | Specification: 500g/bottle | Au < 1 ppb

Fire assay flux
Lithium Tetraborate Flux HN-202
Purity: ≥99.5% | Specification: 500g/bottle | Ag < 0.2 ppm

Borate flux
Lithium metaborate flux HN-303
Purity: ≥99.8% | Specification: 500g/bottle | Application: Ore pretreatment

Carbonate Flux
Lithium Carbonate Flux HN-404
Purity: ≥99.9% | Specification: 500g/bottle | Application: Lithium battery materials

Fire assay flux
Hybrid Flux HN-505
Custom Formula | Specs: 500g/bottle | Application: Special Samples
Quality Assurance
Ultra-low background
Au < 1 ppb, Ag < 0.2 ppm
Batch Stability
Strict process controls ensure reproducible test results
Global Supply
Stable, scalable ton-level production capacity
