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Waterborne Epoxy Curing Agent , Amine Curing Agents For Epoxy Resin

Categories Epoxy Curing Agent
Model Number: WQ-040
Certification: ISO9001
Place of Origin: china
MOQ: 5000KG
Payment Terms: L/C, T/T
Supply Ability: 500t/month
Delivery Time: 14 work days
Packaging Details: 200kg/drum
Brand Name: WeiLi Resin®
Price: Negotiable
Appearance: Light yellow transparent liquid
Non-volatile matters(%): 40±2
Viscosity (mPa.s): 5500±1000
pH value: 8-10
Diluted by water: Infinite dilution
Fineness (um): ≤25
Hot storage stability(day@50℃): >30
Density(g/cm3): 1.059±0.005
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Waterborne Epoxy Curing Agent , Amine Curing Agents For Epoxy Resin

Waterborne Epoxy Curing Agent WQ-040

Curing agent WQ-40 is a kind of phenol modified aliphatic amine, the product has excellent properties of water resistance, solvent resistance and chemical resistance, as well as physical properties of abrasion resistance and impact resistance, usually used in industrial ship and container two component epoxy coating resin system to produce zinc-rich primers or various metallic paints.

It is recommended to use with two component epoxy resin or two component polyurethane resin.

Typical Data:

ItemWQ-040Test Method


Non-volatile matters(%)

Viscosity (mPa.s)

pH value

Diluted by water

Fineness (um)

Hot storage stability(day@50℃)


Active hydrogen equivalent

Light yellow transparent liquid




Infinite dilution





Visual observation


NDJ-79 rotational viscometer

pH meter





Product Properties:


Excellent salt fog, water, media resistance

Good mechanical stability and storage stability

Construction convenience


Used with waterborne epoxy emulsion, it can make waterborne epoxy floor paint, railway, haulage motor,bridge,container paint, waterborne epoxy anti-corrosive paint and home finish, metal paint.

WQ040(Curing Agent)+WQ503(epoxy resin) features:

Film thickness: 50-60um at 80℃ for 30 mins, salt fog resistance: over 800 hours

coating characteristics:

(1) The product contains no heavy metal and meets Rohs requirements;

(2) Excellent anti-rust and anti-corrosivity;

(3) Excellent water resistance and salt fog resistance;

(4) Good applicability

Primer Test Result

ItemTest ResultTest Method
Physical and Chemical PropertiesOriginal paintUniform liquidVisual check
Paint film colorLight greyVisual check
Hiding power, g/m280GB/T 1720-1979
Original paint viscosity (T-4 cup at 25o) S132sGB/T 1723-1993
Fineness, micron≤30GB/T1724-1979
Non-volatile matters, %52GB/T1725-2007
Surface drying time, min at 23℃20GB 1728-1979
Hard drying time, h at 25℃5GB 1728-1979
Baking time, min at 65℃30GB/T1728-1979
Pot life, h at 25℃3HG/T3668-2000-5.9
Mechanical Properties



HGB/T 6739-2006
Flexibility, mm1GB/T 1731-1993
Impact resistance, KgNaN/50cmpassGB/T 1732-1993


(20 times,320# sand paper



(Cross-cut tape test)



(circle-cut tape test)

1GB/ 1720-1979
MatchingCompatibility with other coatingGood
Corrosion resistanceWater resistance at 23℃240 h , no bubbling, peeling off and rustingGB/T 1733-1993

Alkaline resistance

(at 25℃, 0.1N NaOH)

48 hGB/T9274-1998

Acid resistance

(at 25℃, 0.1N


48 h, no bubblingGB/T9274-1998

Oil resistance

(at 25℃,10# Transformer oil)

48 h, no changeHGT/ 9274-1998
Temperature alternating resistance (at -40℃ +60℃)
Salt fog resistance (480h)Bubbling at cross, not bigger than 2 mm at a single sideGB 1771-2007


It is suggested that the product should be stored in a cool and ventilated place, the quality guarantee period is 6 months, and the expired products can still be used after passing the inspections.


The specification will be adjusted with the product improvement, please contact with our company to obtain the latest product technical descriptions.

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