Magnesium Hydroxide (CAS 1309-42-8): Comprehensive User Guide
Table of Contents
1. Product Overview & Specifications
Magnesium Hydroxide (CAS 1309-42-8) is an inorganic compound with the chemical formula Mg(OH)2. Widely used as an eco-friendly flame retardant and pH regulator.
| Parameter | Standard Grade | Pharma Grade | Industrial Grade |
|---|---|---|---|
| Purity | ≥95% | ≥99% | ≥92% |
| Particle Size | 1-5μm | 0.5-2μm | 5-20μm |
| BET Surface Area | 10-15 m²/g | 20-30 m²/g | 5-8 m²/g |
2. Key Applications & Industrial Uses
Core Functional Areas:
- Flame Retardancy: Halogen-free additive for polymers (PP, PE, EVA)
- Environmental Remediation: Neutralizes acidic wastewater (pH 2-5 correction)
- Pharmaceuticals: Active ingredient in antacids (FDA-approved)
- Food Additives: pH regulator (E528) in food processing
3. Usage Guidelines & Best Practices
Optimal Processing Parameters:
| Application | Dosage | Temperature Range | Mixing Protocol |
|---|---|---|---|
| Polymer Compounding | 40-60% wt | 180-220°C | High-shear mixing ≥500 RPM |
| Wastewater Treatment | 2-5 kg/m³ | Ambient | Gradual addition with pH monitoring |
4. Real-World Application Cases
Case Study 1: Flame Retardant Cable Manufacturing
Challenge: Achieve UL94 V-0 rating for PVC cables without brominated compounds
Solution: 55% Mg(OH)2 loading with surface modification
Result: 32% smoke reduction vs. traditional additives
5. Client Success Stories
Client A: European Automotive Supplier
Requirement: Non-toxic alternative for dashboard components
Implementation: Customized 3μm particle size grade
Outcome: Met FMVSS 302 standards with 15% cost savings
Client B: Asian Water Treatment Plant
Challenge: Neutralize 10,000 m³/day acidic effluent
Solution: Automated dosing system with Mg(OH)2 slurry
Result: Consistent pH 7.0±0.2 compliance
6. Request Customized Solutions
Our technical team provides:
- Material Safety Data Sheets (MSDS)
- Custom particle engineering services
- Bulk order discounts (20+ MT)
Contact our experts:
Email: info@vivalr.com
Tel: (86) 15866781826
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