HX-PU3 (PU/EP interpenetration) special anticorrosive coating |
| Description |
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| HX-PU3 is a two-component anticorrosive coating. It has excellent adhesion and water/corrosion resistance both from PU and epoxy resin resin.
This product got the Gold medal of Shanghai municipal engineering, and the Gold medal of municipal engineering of China.
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| Projects |
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Intercepting sewage main pipe of comprehensive improvement of the suzhou river(Gold medal of Shanghai municipal engineering)
The anticorrosion engineering of sewage pipe network of Shanghai city(Gold medal of Shanghai municipal engineering)
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| Uses |
| Anticorrosive coating for Petroleum, chemical industry, metal storage container, surface of concrete building, bridges, large steel beam, mine equipment, ship equipment, gas storage tank and gas pipe, etc. We recommend to use HX-PU2 as primer and HX-PU3 as top coating. |
| Supporting solution for anticorrosive pprojects |
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Concrete foundation |
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Room: first coat: HX-PU2
floating coat twice: HX-PU3
Top coating twice: HX-PU3
Outdoor: primer: HX-PU2
floating coat twice: HX-PU3
Top coating twice: HX-PU3-1
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| Steel structure |
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Project 1
first coat: Epoxy iron oxide red epoxy zinc
floating coat: Epoxy micaceous iron
Top coating: Chlorinated rubber Epoxy Top coating Special polyurethane |
Project 2
first coat: epoxy zinc
floating coat: Epoxy asphalt
Top coating: Epoxy asphalt |
Project 3
first coat: Chlorinated rubber
floating coat: Chlorinated rubber
Top coating: Chlorinated rubber |
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| Technical index |
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| Index name\Trademark |
HX-PU3 |
HX-PU3-1 |
| Appearance |
chocolate brown thick liquid |
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| Viscosity (tu-4)23℃ |
≥80 |
≥50 |
| Non-volatile |
≥70% |
50% |
| Drying time 23℃ |
Initial cure ≤4h, Full cure ≥12h |
2-24 |
| Impact Strength |
50kg·cm |
50kg·cm |
| Cross cut adhesion |
0(1mm) |
0 |
| Corrosion resistance 7d |
H2SO4 20% |
no change observed |
no change
observed |
| NaOH 40% |
| NaCl 20% |
| Flexibility |
1mm |
1mm |
| Abrasion resistance |
weight loss 0.0129(500 r with 1kg120 grinding wheel
) |
0.0127 |
| Temperature change resistance (℃) |
-40～+150 |
-40～100 |
Mildew resistance |
0 |
0 |
| Accelerated aging test |
no blushing/discoloration observed
in
250hrs |
no blushing/dis
coloration bserved in 1000hrs |
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