DMDC/MACM
2,2'-dimethyl-4,4'-methylenebis (cyclohexylamine) DMDC/MACM
Applications：
Used as hardeners for epoxy resin ( high-grade polished plastic, plastic ornaments ),
hardeners for epoxy coatings ( ship paint, heavy anti-corrosion paint and other industrial building paint ),
hardeners for composite materials ( wind blade, wind mold material, rubber roller);
Used as amine chain extenders /additives for polyurethane and sprayed polyurea elasto mers.
Used for synthesizing highly transparent nylon, polyimide and Polyaspartic ester.
Specification
Item | Parameter |
Chemical Name | DMDC/MACM |
Appearance（25 ℃) | Transparent liquid |
Chromaticity | ≤1 |
Viscosity（mPa.s/25 ℃) | 80-120 |
Active hydrogen equivalent（g/ep） | 60 |
Purity (%) | ≥99.0 |
Specific gravity（g/cm3） | 0.945 |
Boiling point (℃) | 347 |
Flashing point (℃) | 173 |
PHR (based on 128) | 32-33 |
Packaging
190kg/drum , one year shelf-life.
Storage
Stored in closed container and kept in dry and cool place with good ventilation. Keep away from fire, heat, light ,strong oxidants and acids. Try to use up when open, Don’t exposed in the air for long time.