H-502-42W
Dry film thickness(μm) Cross-cut test (100/100) DuPont impact Pencil hardness Solvent resistance Water resistance
Degree of blistering
REF.
Conventional waterbased modified epoxy
BCS: Butyl cellosolve IPA: Isopropyl alcohol DMEA: 2-(Dimethylamino)ethanol
5
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Test results (1-component system, clear)
Coating condition Substrate : Cold-rolled steel (SPCC-SD) Coating method : Bar coater Curing condition : 23C20min+140C20min
Remarks 1mm 1kg×50cm MEK rub test Load=500g Dipping test 40C 7days 300hrs
Type
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10
Recommended formulation for 2-component system
Formulation: Modified epoxy/melamine resin/catalyst =90/10/0.3 (solid/solid/soln.) NV(%) EPICLON H-502-42W WATERSOL S-695
6
Salt spray test (300h)
Reference H-502-42W
Water-based Solvent-based
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Effects of drying conditions
H-502-42W
BYK Dupont San Nopco DIC
3.0 Dispersant 60.0 Titanium dioxide 0.3 Defoamer 20.0 142.9 NV 42.0% 226.2
Total
PWC : 50%
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Test results (1-component system, enamel)
H-502-42W
Dry film thickness(μm) Cross-cut test (100/100) DuPont impact Pencil hardness Solvent resistance Water resistance Degree of blistering Salt spray test Degree of blistering Peeling test(width)
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Usages
OH O OH O O O n OH O OH O O O n OH OH
Anticorrosion coatings Ave. particle size Marine coatings 0.1～0.3μ General coatings
■ Product name EPICLON EM-101-56 (New Product launched in China, in Oct. 2016) & LUCKAMIDE EXC1270 (pilot scale) ■ 2K Coatings (air drying) ■ Usages：Anticorrosion coatings（Bridge, Tunk, Pipe, Container etc.）
Coating condition(Clear coating) Substrate : Cold-rolled steel (SPCC-SD) Coating method : Bar coater
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Drying condition 23C20min+ 140C20min 23C20min+ 100C20min 23C20min+ 60C20min+ 23C1week 23C1week
Remarks
Dry film thickness(μm) Cross-cut test (100/100) DuPont impact Pencil hardness Solvent resistance Water resistance
Material
Supplier
Weight
Remarks
Disperse 1~4 + 50g of glass beads with sand-mill for 30 min., then add 5 and stir for 5 min..
1 2 3 4 5
Disperbyk 190 Ti-pure R-706 SN-Defoamer 777 Deionized water H-502-42W
Modified epoxy resin (No epoxy group is left)
Top features
High anticorrosion performance Good pigment dipersibility Good storage stability
Typical properties
■ Product name: EPICLON H-502-42W (New Product launched in China, in May 2016) ■ 1K coatings (forced drying) ■ Usages：Anticorrosion coatings, Metal primer coatings
Degree of blistering
30 100 Pass 2H
10 times Good 10 Good 10 2 mm
30 100 Pass H
10 times Good 10 Good 10 3 mm
30 100 Pass H
10 times Good 10 Good 10 3 mm
30 100 Pass H
Solvent-based modified epoxy Solvent-based methylated melamine 42.0 66.0 45.0 60.0 -
H-502-42W
214.3 (solid 90.0) 15.2 (solid 10.0) ― ― 0.3 If necessary
30 100 300g×50cm H 10 times Good 10 Good 10 3 mm
Degree of blistering Size: 2 > 4 > 6 > 8 > 10(none) Frequency: Dense(D) > Medium dense(MD) > Medium(M) > Few(F)
■ Top features：Anticorrosion performance
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Manufacturing location
■ Japan： DIC Kitanihon polymer in Miyagi, WB Epoxy ■ Chiba Plat, Epoxy & Hardener ■ China：DIC Zhangjiagang Chemicals, WB Epoxy
10 times Poor 10, blushing Poor 10, blushing 4 mm
1mm×1mm 1kg×50cm MEK rub test Load=500g Dipping test 40C 7days 300hrs
Salt spray Байду номын сангаасest
Degree of blistering Peeling test(width)
Appearance Viscosity(25℃) Non-Volatile content Solvent
Milky liquid 4500 mPas 41.0% Resin/Water/BCS/ IPA/DMEA =41/41/17/<1/<1
Registration
ENCS(Japan) Listed IECSC(China) Simplified Notification
■ Top features：High anticorrosion performance, Good adhesion for metals
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EPICLON 2K Waterborne epoxy resin & Amine Hardener
REF.
Solvent-based modified epoxy
Remarks
30 100 Pass 2H 10 times Good 10 Good 10 2mm
30 100 Pass H 10 times Poor