YD-5908

Water-based Epoxy Curing Agent, Pot life: 20-50 min, Viscosity: 1000-8000.

PROFILE

YD-5908 is a waterborne epoxy hardener modified with fatty amines. The paint film prepared with YD-5908 exhibits good toughness and high adhesion, making it highly suitable for applications in areas such as magnetic valves, primer for shared bicycles, and waterborne epoxy wall paints. YD-5908 has excellent water solubility and emulsion capability for YD-128 resin.

PROPERTY

  • Good toughness and high adhesion.
  • Good water dilution and emulsifying ability for YD-128 resin.

APPLICATIONS

  • Used for magnetic valves, shared bicycle primers, water-based epoxy wall coatings, etc.

INDEX

Appearance Colorless to light yellow transparent liquid
Amine Value 160±30mgKOH/g
Viscosity(25℃) 1000–8000mPa.s
Active Ingredient(100℃,15min) 68±2%
Active Hydrogen Equivalent Weight (AHEW) 290±30

BASIC FEATURES

Item Standard Range
Pot-life(23℃, 100g) 20–50min
Pot-life(5℃, 100g) 60–90min
Shore Hardness 23℃ (3 days) > 78
1:1 Add water standstill(24h) Water white transparent
1:1 Add water than curing with YD-128 No phase
Adhesion (Glossy tile surface, 50μm, hard dry) Level 1–3
VOC < 40g/L

The experimental ratios for the above points 1 and 2 are as follows: YD-5908/YD-128 = 60/40. For point 3, the experimental ratio is also 1 YD-5908/YD-128 = 60/40. After stirring thoroughly, a 50μm paint film was prepared on a tin plate and naturally cured for 7 days. The adhesion was tested using the cross-cut test method. Point 4 refers to the weight of volatile organic compounds contained in 1L of the waterborne epoxy hardener(theoretical value).

STORAGE

It should be sealed in the original packaging container, prohibited from direct sunlight, and prohibited from high temperature places.