Complaint
Item | Epoxy resin A | Epoxy resin B |
Appearance | Crystal liquid | Crystal liquid |
Viscosity (25ºC,cps) | 2000±100 | 12±2 |
Mixing ratio(weight ratio) | A:B=3:1 | |
Pot life(100g 25ºC) | 3h | |
Curing condition | 70ºC*4h | |
Totally cured hardness 25ºC (shore D) | 84±1 | |
Bending strength MPa | 14 | |
Tensile strength MPa | 7 | |
Difference of resistance to yellowing △b | 0.40±0.05 | |
Water absorption 25ºC-24h ( unit:%) | <0.1 | |
1. Liquid Epoxy Resin
Description:
YD-128, E-44 Liquid Epoxy Resin is a liquid reaction product of epichlorohydri n and bisphenol-A.
Introduction
YD-128, E-44 Epoxy Resin is the most widely used general purpose liquid epoxy resin. It is recognized as the standard from which many variations have been developed.
It is mainly used in coating, adhesive, anticorrosion, electric insulation, laminated plates and potting fields or used as the raw material for high-grade epoxy resin processing.
Typical Properties
| Brand | YD-128 | E-44 |
| Epoxy equivalent(g/mol) | 184-194 | 210-240 |
| Hydrolysable chlorin e, wt%≤ | 0.1 | 0.30 |
| Viscosity(mPa.s25ºC) | 11000-14000 | |
| Volatile, wt%≤ | 0.2 | 0.60 |
| Color(Platinum-cobalt) ≤ | 100 | 2 |
Packaging
YD-128: 20kg/drum, 230kg/drum, 1.15 tons/IBC, Bulk in ISO TANK (net weight).
E-44: 20kg/drum, 200kg/drum(net weight).
