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Waterborne Hardeners／Latent Hardener

Principal properties

Waterborne hardeners:

  • Zero-VOC achievable
  • Low viscosity and color
  • Low odour and non-flammable
  • Easy to clean-up and apply
  • Good adhesion, especially to

damp or ‘green’concrete

  • Good abrasion resistance

Latent hardener:

  • Easy to mix with epoxy resins and provides long storage period
  • Fast cure at low temperature in a short time
  • Good resistance to chemicals and elevated temperature
  • Excellent electrical insulation and good mechanical properties
  • Low skin irritation
Principal applications

Waterborne hardeners:

  • Concrete coatings e.g., food processing plants, show  rooms, laboratories, hospitals, nuclear power stations,

breweries etc

  • Self-leveling, mortar flooring, and tile grouts
  • Steel coatings with liquid resin and semi-olid/solidresin

emulsions e.g., anti-corrosive primers and topcoats

  • Adhesives

Latent hardener:

  • Electric insulating materials
  • Various molded products
  • Adhesives
  • Powder coatings
  • Accelerator for other one-pack epoxy systems
Epoxy Hardener Type Viscosity
(mPa.s/25℃) 		Amine Value
(mgKOH/g) 		Color
(Gardner) 		Specific
Gravity
(25℃) 		Solids
(%) 		AHEW Use Level
(phr) 		Gel Time
(min/150g,25℃) 		Thin Film
Set Time
(hr/25℃) 		Typical Cure
Schedule
Kingcure 420W80 Polyamine Adduct 3000-5200 180-210 <10 1.1 78-82 180 95 80 5.0 2-7 days at ambient
Kingcure 430W80 Polyamine Adduct 4000-7000 190-220 <5 1.1 78-82 180 95 50 3.5 2-7 days at ambient
Kingcure 435W80 Polyamine Adduct 4000-9000 185-215 <5 1.09 78-82 185 100 45 3.0 2-7 days at ambient
Kingcure 450W80 Polyamine Adduct 6000-10000 180-210 <5 1.08 78-82 190 100 70 4.5 2-7 days at ambient
Kingcure 470W70 Polyamine Adduct 18000-28000 150-180 <5 1.09 68-72 225 120 75 4.5 2-7 days at ambient
Kingcure 490W50 Polyamine Adduct 1500-2500 130-170 <5 1.03 48-52 210 130 65 4.0 2-7 days at ambient
Kingcure 500W60 Polyamine Adduct 10000-30000 170-200 <10 1.08 58-62 210 120 40 2.5 2-7 days at ambient
Kingcure 505W60 Polyamide
Amine
Adduct 		15000-25000 230-270 <10 1.08 58-62 200 105 60 3.5 2-7 days
at ambient
Kingcure 530W60 Cyclo-aliphatic
Polyamine
Adduct 		1000-2500 100-140 <8 1.05 58-62 300 160 90 5.0 2-7 days
at ambient
Kingcure 540W60 Polyamide
Amine
Adduct 		5000-15000 220-260 <10 1.08 58-62 200 105 50 3.0 2-7 days
at ambient
Kingcure 600W60 Polyamide Amine Adduct 10000-30000 220-260 <10 1.08 58-62 210 110 70 4.5 2-7 days
at ambient
Kingcure 390 Modified
Amine
Adduct 		Solid SP
125-135℃ 		- Light
yellow
powder 		1.15 - - 10-20 3-6 months/25℃
10-25 mins/80℃
5-15 mins/100℃
3-7 mins/120℃ 		- elevated
temp
80-
120℃/
0.5-1hr
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