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Trace metal levels controlled to the parts-per-billion (ppb) range, meeting the most stringent SEMI standards for the global electronics industry. [Explore Our Electronic Fluoride Products](#products) **Do Sender Chem** delivers **ultra-high-purity electronic-grade fluoride solutions** purpose-built for the most demanding semiconductor and microelectronics manufacturing processes. Our electronic fluorides are produced under Class 100 cleanroom conditions with trace metal impurities controlled to **鈮?10 ppb per element** and particle counts ** 鈮?50 particles/mL **. Fully compliant with **SEMI C8** and ** SEMI C28 ** standards, our products ensure maximum yield and reliability in wafer fabrication, CVD chamber cleaning, and precision etching applications. Why Choose Us ## Why Choose Our **Electronic Fluoride** Engineered for the extreme purity requirements of semiconductor and microelectronics manufacturing. ✯ ### Ultra-High Purity Purity 鈮?99.99% with trace metal impurities controlled to 鈮?10 ppb per element, exceeding SEMI Grade requirements for advanced node fabrication. ⚛ ### SEMI Standard Compliant Manufactured in full compliance with SEMI C8 (HF), SEMI C28 (BOE), and related purity specifications for semiconductor process chemicals. 🔬 ### Particle Control Stringent particle count control 鈮?50 particles/mL (鈮?0.5 渭m) ensures defect-free processing for high-yield wafer fabrication. 📦 ### Cleanroom Packaging Products filled and packaged in Class 100 cleanroom conditions with certified HDPE, PTFE-lined, or stainless steel containers to maintain product integrity. Applications ## Key **Applications** Electronic-grade fluoride solutions from Do Sender Chem serve critical roles across the semiconductor and electronics manufacturing value chain. ⚛Wafer Etching ⚛Wafer Cleaning ⚛CVD Chamber Cleaning ⚛Oxide Removal 🔌Silicon Etching 🔌BOE Processing 🔋Flat Panel Display Manufacturing 🔋Photovoltaic Cell Processing 💻PCB Cleaning 💻MEMS Fabrication Products ## Featured **Electronic Fluoride Products** Our electronic-grade fluoride portfolio delivers the extreme purity required by today\'s most advanced semiconductor processes. Electronic-Grade ### Electronic-Grade Hydrofluoric Acid (HF) CAS: 7664-39-3 | Formula: HF | SEMI C8 Grade Ultra-high-purity hydrofluoric acid manufactured specifically for semiconductor wafer etching and cleaning. Our electronic-grade HF delivers consistent etch rates, ultra-low metal ion contamination, and excellent bath life. Available in 49% and custom concentrations with trace metal certification for each production lot. Purity 鈮?99.99% Trace Metals 鈮?10 ppb SEMI C8 Compliant Class 100 Filling [Inquire about Electronic-Grade HF →](#contact) Electronic-Grade ### Buffered Oxide Etchant (BOE) HF/NH鈧凢 Blend | SEMI C28 Grade Precision-formulated buffered oxide etchant for controlled silicon dioxide etching in semiconductor device fabrication. Our BOE solutions provide stable, repeatable etch characteristics with excellent selectivity and uniformity. Available in standard ratios (6:1, 7:1, 10:1, 20:1) with custom formulations upon request. Purity 鈮?99.99% Trace Metals 鈮?10 ppb SEMI C28 Compliant Custom Ratios Available [Inquire about BOE Solutions →](#contact) Specifications ## Technical **Specifications** Key quality parameters and purity specifications for our electronic-grade fluoride products. Property Electronic-Grade HF BOE (Various Ratios) Purity (as HF / BOE)≥ 49.0% (SEMI Grade)Per specification (6:1 to 20:1) Trace Metals (per element)≤ 10 ppb≤ 10 ppb Chloride (Cl) ≤ 0.5 ppm≤ 0.5 ppm Sulfate (SO鈧? ≤ 0.5 ppm≤ 0.5 ppm Phosphate (PO鈧? ≤ 0.1 ppm≤ 0.1 ppm Particle Count (≥ 0.5 渭m)≤ 50 particles/mL≤ 50 particles/mL Particle Count (≥ 0.2 渭m)≤ 200 particles/mL≤ 200 particles/mL PackagingHDPE drums, PTFE-lined, SSHDPE drums, PTFE-lined, SS Quality StandardSEMI C8 SEMI C28 Manufacturing EnvironmentClass 100 CleanroomClass 100 Cleanroom Quality & Safety ## Quality Assurance & **Safe Handling** Every batch of electronic-grade fluoride product is manufactured under cleanroom protocols with full traceability and safety documentation. ⚠ Electronic-grade fluoride products contain hydrofluoric acid and require strict adherence to safety protocols during handling, storage, and disposal. These products are corrosive and toxic 鈥?use only with appropriate PPE including chemical-resistant gloves, face shield, and protective clothing. Handle exclusively in properly ventilated areas with emergency shower and eyewash stations readily accessible. **Always consult the Safety Data Sheet (SDS) before handling. 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