Tetrahydromethylphthalic anhydride CAS 19438-64-3, Best price from China supplier factory
TNJ Chemical is a China factory, supplier and manufacturer of Tetrahydromethylphthalic anhydride CAS 19438-64-3 with plant site in Feidong Anhui Province. We are certified by GMP, ISO and SGS organization and specialize in chemical since from 2001. To buy bulk quantity Tetrahydromethylphthalic anhydride CAS 19438-64-3 at wholesale discounted price, please send your price inquiry to sales@tnjchem.com
Application & Function
Methyl tetra-Hydro Phthalic Anhydride (MTHPA) was used in the curing agents for epoxy resins, dry-type transformers, high voltage switches, mutual inductors, condensers, LED, etc. Relative to the general MTHPA, this specification have the following characteristics:
- Light color when curing ,suitable for white or colorless transparent products;
- Good heat resistance, higher Tg point.
- Faster curing speed , saving the amount of promoter;
- Larger viscosity, moisture absorption higher than the general MTHPA, shall be sealed.
Specification
| Color (Pt-Co) | ≤300 | ≤200 | ≤80 | ≤200 |
| Crystallization point | ≤-15℃ | ≤-15℃ | ≤-15℃ | ≤-15℃ |
| Acid value, (mgKOH/g) | 660.0~685.0 | 660.0~685.0 | 660.0~685.0 | 660.0~685.0 |
| Anhydride conten | ≥40.5% | ≥40.5% | ≥40.5% | ≥40.5% |
| Viscosity (Pa.s, 25℃) | ≤0.05 | ≤0.05 | ≤0.05 | 0.03~0.08 |
| Density (g/cm3, 20℃) | 1.210±0.05 | 1.210±0.05 | 1.210±0.05 | 1.210±0.05 |
| Free acid | ≤0.50% | ≤0.50% | ≤0.50% | ≤0.50% |
