Himic Anhydride (CAS 826-62-0) Comprehensive User Guide
Table of Contents
- 1. Product Overview & Technical Specifications
- 2. Key Applications & Industry Use Cases
- 3. Performance Comparison with Competing Anhydrides
- 4. Operational Guidelines & Safety Protocols
- 5. Verified Customer Success Stories
- 6. Request Customized Technical Consultation
1. Product Overview & Technical Specifications
Himic Anhydride (CAS 826-62-0), chemically known as Hexahydro-4-methylphthalic anhydride, is a high-purity cycloaliphatic epoxy resin hardener with the following parameters:
| Parameter | Specification |
|---|---|
| Molecular Formula | C10H12O3 |
| Molecular Weight | 180.2 g/mol |
| Appearance | Colorless to pale yellow liquid |
| Purity | ≥99.5% |
| Viscosity (25°C) | 200-400 mPa·s |
| Acid Value | 550-600 mg KOH/g |
| Flash Point | >150°C |
| Storage | 12 months in sealed containers below 30°C |
2. Key Applications & Industry Use Cases
Primary industrial applications include:
- Epoxy Resin Curing: Low-viscosity alternative to traditional amine hardeners
- Electronic Encapsulation: Superior thermal stability for semiconductor packaging
- Composite Materials: Matrix resin modification for aerospace components
- Electrical Insulation: High tracking resistance for bushings and insulators
3. Performance Comparison with Competing Anhydrides
| Property | Himic Anhydride | MTHPA | THPA |
|---|---|---|---|
| Curing Temperature | 120-150°C | 140-160°C | 160-180°C |
| HDT of Cured Resin | 135-145°C | 120-130°C | 110-120°C |
| Viscosity @25°C | 300 mPa·s | 450 mPa·s | 650 mPa·s |
| Weathering Resistance | Excellent | Good | Moderate |
4. Operational Guidelines & Safety Protocols
Optimal Processing Conditions:
- Mixing Ratio: 75-85 phr (per hundred resin)
- Gel Time: 90-120 mins @120°C
- Post-Cure: 4-6 hrs @150°C
Safety Measures: Use PPE including chemical goggles and nitrile gloves. Ensure adequate ventilation during handling.
5. Verified Customer Success Stories
Case 1: High-Voltage Insulator Manufacturing
- Client: European Electrical Components Ltd.
- Challenge: Reduce partial discharge in 500kV insulators
- Solution: 15% Himic Anhydride-modified epoxy system
- Result: 40% lower dissipation factor at 130°C
Case 2: Automotive LED Encapsulation
- Client: Asia Automotive Lighting Co.
- Challenge: Yellowing resistance under 200°C reflow
- Solution: Himic-based transparent encapsulant
- Result: Δb* <1.5 after 1000hrs thermal aging
6. Request Customized Technical Consultation
For formulation assistance or bulk pricing:
Email: info@vivalr.com
Tel: (86) 15866781826
Our chemical engineers will respond within 4 working hours with:
- Material Safety Data Sheet (MSDS)
- Technical Data Package (TDP)
- Customized formulation recommendations
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