Potassium Fluorosilicate (CAS 16871-90-2) Comprehensive Technical Guide
Table of Contents
1. Product Specifications & Comparative Analysis
| Parameter | Industrial Grade (98%) | Premium Grade (99.9%) |
|---|---|---|
| Chemical Formula | K2SiF6 | |
| Molecular Weight | 220.26 g/mol | |
| Appearance | White crystalline powder | |
| Density | 2.665 g/cm³ | 2.68 g/cm³ |
| Hydrofluoric Acid (HF) | ≤0.1% | ≤0.05% |
| Moisture Content | ≤0.5% | ≤0.2% |
| Melting Point | Decomposes at 500°C | Decomposes at 530°C |
2. Industrial Applications & Functional Mechanisms
Core Functional Areas:
- Metallurgy: Acts as flux in aluminum/magnesium smelting to lower melting points and remove impurities.
- Glass Manufacturing: Key component for producing potassium-enriched optical glass (refractive index: 1.399) and opaque glass surfaces.
- Wood Preservation: 0.5-1.5% concentration solutions penetrate timber structures, inhibiting fungal growth.
- Ceramic Production: Forms durable glaze coatings at 800-1,100°C firing temperatures.
- Agrochemicals: Intermediate in fluoride-based insecticide synthesis.
3. Operational Guidelines & Safety Protocols
Critical Safety Data:
- Oral Toxicity (Rat LD50): 500 mg/kg
- Permissible Exposure Limit (OSHA): 2.5 mg/m³
Protective Measures:
- Mandatory PPE: NIOSH-approved N95 respirators, chemical-resistant gloves (≥0.4mm), and polycarbonate goggles
- Ventilation Requirements: Local exhaust ventilation maintaining ≤30% LEL
4. Practical Implementation Case Studies
Case 1: Optical Glass Enhancement
Challenge: Achieve refractive index >1.45 for specialized lenses
Solution: 18% K2SiF6 integration in glass matrix
Outcome: 22% light transmission improvement with 1.473 RI
5. Client Success Stories
Shandong Xuchen Chemical Technology
Application: Magnesium alloy production
Implementation: 0.8% flux addition reduced slag formation by 40%
Economic Benefit: ¥3.2M/year operational cost reduction
6. Technical Consultation & Quotation
For customized specifications or bulk pricing:
Email: info@vivalr.com
Tel: (86) 15866781826
Provide: Required purity level, packaging specifications (25kg bags/drums), and application details for optimized formulation guidance.



评论
目前还没有评论。