LG-627
Classification:
LG-627 is a cyclic amine modified epoxy resin curing agent, mainly used in the fields of epoxy floor coating, epoxy colored sand, epoxy grinding stone, transparent electronic packaging materials, epoxy jewelry adhesive, etc.
Chroma: Max1
Viscosity: 50-100
Amine value : 280-320
AHEW: 93-98
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Feature
LG-627 is a cyclic amine modified epoxy resin curing agent, mainly used in the fields of epoxy floor coating, epoxy colored sand, epoxy grinding stone, transparent electronic packaging materials, epoxy jewelry adhesive, etc. This product has the advantages of low odor, low viscosity, light color, long service life, and good resistance to yellowing. The formed cured paint film has the advantages of high glossiness, good transparency, good resistance to yellowing, high hardness, strong adhesion, good toughness, and good water and moisture resistance.
Parameter
| Appearance | Colorless transparent liquid |
| Chroma (Fe-Co method) | Max1 |
| Viscosity (mPa·s, 25℃) | 50-100 |
| Acid value (Perchloric acid method, mg KOH/g) | 280-320 |
| Solid content(wt%) | 100 |
| Active hydrogen equivalent | 93-98 |
| Recommended mixing ratio (for epoxy resin, EEW 190) | 100:50 |
| Relative density (25℃) | <1 |
| Gel time(100g,25℃) | 50min-80min |
| Hardness (for epoxy resin, EEW 190, 48h) | ≥80 |
| Glossiness | ≥80 |
| Adhesion | Grade 1 |
| Surface drying time(25℃) | 5h-7h |
| Tack-free time(25℃) | 18h-20h |
Keyword:
LG-627
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