Heavy Duty Coating
DHDC-2740HB Two-component acrylic urethane top coat, high build
- usage
- Steel surfaces of steel structures and bridges, steel surfaces of various industrial facilities
This paint is a premium top coat based on acrylic urethane resin and is suitable as an interior/exterior top coat for steel structures coated with epoxy primer. It has superior physical properties such as abrasion resistance, weather resistance and color retention ability to general urethane or epoxy paints, and is widely used for new and repair painting of heavy duty coating.
specification
- Paint type
- Acrylic urethane / Top coat(non-yellowing type) (Two-Component)
- Drying time
-
Drying time Category 5℃ 20℃ 30℃ Set-to-touch 1 hour 30 minutes 20 minutes Dry-hard 12 hours 8 hours 6 hours Over-coat (Min.) 20 hours 10 hours 7 hours Over-coat (Max.) 1 month 15 days 7 days Maturation time 30 minutes 20 minutes 10 minutes Pot life 3 hours 2 hours 1 hour - Thinner
- DR-700
- Dilution ratio
- ▷Brush, roller coating: less than 5% ▷Airless, spray coating: less than 10%
- Specific gravity
- Approx. 1.45(Based on white color)
- Theoretical Coverage
- 6.75 ㎡/ℓ (1 time - 80㎛)
- Solid volume ratio
- Approx. 55±1%
- Color
- White, other colors
- Thickness of dried film
- 80㎛
- Mixing ratio
- Base(A)/Hardener(B)=7/1 (Volume ratio)
- Flash point
- At least 24℃
- Gloss
- Semi-gloss
- Shelf life
- 12 months (Dry, cool, and dark place with good ventilation)
PRODUCT PROPERTIES (PHYSICAL PROPERTY DATA)
- Acrylic urethane
- Two-component type acrylic urethane product with excellence weatherability in outdoor environmental conditions.
- Excellent film property
- The product has solid film and good adherence, weatherability and chemical resistance.
how to use
- Surface treatment
- 1. Completely remove oil, moisture, sand, dust, and other foreign matter from the surface to be coated.
2. Sufficiently dry the surface to be coated before coating.
3. After primer coating, clean up the welded areas (blackened and rusted areas) with a disc sander.
Then, touch up with this paint and continue coating. - Coating method
- 1. Coating can be done by either brush, roller, or airless spray coating.
2. Airless spray coating :
- Tip diameter : 0.019"~0.023"
- Injection pressure : More than 2500 P.S.I (176㎏/㎠)
- Store the coating equipment after cleaning with an exclusive thinner immediately after use. - Preceding and follow-up coating
- 1. Preceding coating : Epoxy system, urethane system paint
- Remarks
- 1. Sufficient performance after last coating is achieved after drying for 7 days at 20℃.