Applications
Where fluorides matter — semiconductors, photovoltaics, metal finishing and rare earth refining. We supply chemistry and process know-how.
Semiconductor & Microelectronics
In wafer manufacturing, hydrofluoric acid is irreplaceable for oxide removal and surface metal decontamination. As nodes shrink, tolerance for metal ions and particles drops to ppb and sub-micron levels.
| Key parameter | EL | UP-S |
|---|---|---|
| Single metal ion | ≤ 100 ppb | ≤ 1 ppb |
| Particles ≥0.5 µm | ≤ 100 pcs/mL | ≤ 10 pcs/mL |
| Concentration deviation | ± 0.5% | ± 0.3% |
| Anions Cl⁻ / SO₄²⁻ | ≤ 1 ppm | ≤ 0.2 ppm |
Photovoltaic & New Energy
Texturing, cleaning and rear-side etching of mono- and poly-silicon wafers demand high-consistency HF and acid blends. Our control of concentration stability and batch consistency directly affects texturing yield and bath consumption cost.
High concentration stability
55% / 60% grades in volume with controlled batch deviation.
Bulk logistics
IBC and ISO tank options reduce drum changes and handling risk.
Batch traceability
COA per batch, traceable back to production records.
Confidential toll blending
Toll blending to your formulation under NDA.
Metal Surface Treatment
A priority focus for ANFA: fluoride-centred blends designed in reverse from your substrate and line conditions.
| System | Functional components | Substrate | Process |
|---|---|---|---|
| Stainless pickling | HF + HNO₃ + corrosion inhibitor | 304 / 316 / duplex | Immersion / spray |
| Aluminium brightening | HF + H₃PO₄ / H₂SO₄ | Aluminium & alloys | Immersion |
| Chrome-free Ti-Zr | H₂TiF₆ / H₂ZrF₆ + additives | Aluminium / galvanised | Spray / roll coat |
| Carbon steel descaling | HF + HCl + corrosion inhibitor | Carbon steel / cast iron | Immersion / circulation |
| Copper cleaning | HBF₄ + H₂O₂ / HNO₃ | Copper / brass | Immersion |
| Glass frosting | NH₄HF₂ + additives | Flat glass / ware | Immersion / print |
Where else fluorides matter
Glass Etching & Frosting
ABF and HF systems for frosting and pattern etching of ware, architectural, lighting and decorative glass.
Rare Earth & Metallurgy
Rare earth fluorides as molten-salt electrolysis precursors; fluorspar as flux in steel and aluminium smelting.
Petroleum & Synthesis
Anhydrous HF catalyses alkylation for high-octane gasoline; fluorides serve as fluorinating agents and fluoride salt feedstock.
Plating & Electrolysis
Fluoroboric acid underpins tin, lead, copper and nickel fluoroborate plating with high throwing power.
Water & Construction
Fluosilicic acid and sodium fluoride for drinking water fluoridation; FSA for concrete hardening and dustproofing.
Pharma & Agrochemicals
Fluorides as fluorine sources for fluorinated pharmaceutical and agrochemical intermediates.
Need a fluorine solution built around your process?
Tell us your substrate, line configuration and cycle time — our technical team will respond with a formulation proposal and samples.