Waterborne Epoxy Curing Agent WL-140
Curing agent WL-140 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:
| Item | WL-140 | Test Method |
Appearance Non-volatile matters(%) Viscosity (mPa.s) pH value Diluted by water Fineness (um) Hot storage stability(day@50℃) Density(g/cm3) Active hydrogen equivalent | Light yellow transparent liquid 40±2 5500±1000 8-10 Infinite dilution ≤25 >30 1.059±0.005 320±30 | Visual observation 30min@120℃ NDJ-79 rotational viscometer pH meter ---- GB/1724-79 ----- Densimeter
|
Product Properties:
Low VOC
Excellent salt fog, water, media resistance
Good mechanical stability and storage stability
Construction convenience
Applications:
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.
WL-140(Curing Agent)+WL-213(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
| Item | Test Result | Test Method |
| Physical and Chemical Properties | Original paint | Uniform liquid | Visual check |
| Paint film color | Light grey | Visual check |
| Hiding power, g/m2 | 80 | GB/T 1720-1979 |
| Original paint viscosity (T-4 cup at 25o) S | 132s | GB/T 1723-1993 |
| Fineness, micron | ≤30 | GB/T1724-1979 |
| Non-volatile matters, % | 52 | GB/T1725-2007 |
| Surface drying time, min at 23℃ | 20 | GB 1728-1979 |
| Hard drying time, h at 25℃ | 5 | GB 1728-1979 |
| Baking time, min at 65℃ | 30 | GB/T1728-1979 |
| Pot life, h at 25℃ | 3 | HG/T3668-2000-5.9 |
| Mechanical Properties | Hardness (pencil) | H | GB/T 6739-2006 |
| Flexibility, mm | 1 | GB/T 1731-1993 |
| Impact resistance, KgNaN/50cm | pass | GB/T 1732-1993 |
Grinability (20 times,320# sand paper | grindable | GB/T1770-2008 |
Adhesion (Cross-cut tape test) | 1 | GB/T9286-1998 |
Adhesion (circle-cut tape test) | 1 | GB/ 1720-1979 |
| Matching | Compatibility with other coating | Good |
| Corrosion resistance | Water resistance at 23℃ | 240 h , no bubbling, peeling off and rusting | GB/T 1733-1993 |
Alkaline resistance (at 25℃, 0.1N NaOH) | 48 h | GB/T9274-1998 |
Acid resistance (at 25℃, 0.1N H2SO4) | 48 h, no bubbling | GB/T9274-1998 |
Oil resistance (at 25℃,10# Transformer oil) | 48 h, no change | HGT/ 9274-1998 |
| Temperature alternating resistance (at -40℃ +60℃) |
| Salt fog resistance (480h) | Bubbling at cross, not bigger than 2 mm at a single side | GB 1771-2007 |
Storage:
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.
Note:
The specification will be adjusted with the product improvement,
please contact with our company to obtain the latest product
technical descriptions.
