GH-750 Moisturecuring Epoxy Coal Tar Pitch Anticorrosive Primer
Characteristics：When the air humidity reached 94%, it can still firmed be film, and physical、chemical property unchangeable, dryquickly, excellent adhesion with steel surface after abrasive blasting.,abrasion and attack resistance property, perfect acid-base corrosionresistance property.
Uses: Mainly use for anticorrosion of buried pipeline、flue pipeinside and offshore platform、cabin、ballast tank etc. in high humidity environment.
Technical target:
Mixing ratio: Host crystal/Firming agent=10/1 (by weight)
Standard film thickness: Dry: 125μm/coat
Academic spreading rate: 0.28kg/ ㎡/ 125μm
Solid contents: 72%
Humidity requirement: below 94%
Drying time & Coating interval
|
Temperature （℃） |
-10 |
0 |
10 |
20 |
30 |
|
Dry to touch（hrs） |
4 |
3 |
2.5 |
2 |
1.5 |
|
Dry semi-hard（hrs） |
36 |
24 |
18 |
12 |
10 |
|
Min. interval（hrs） |
36 |
24 |
18 |
12 |
10 |
Substrate treatment: Remove rust、oxide skin by abrasive blasting, reached ISO Sa2.5 grade, or remove loose oxide skin by electric tools, reached St3 grade.
Matching:
Applicable substrate : Unpainted steel
Some Application Examples:
