Product Series
Epoxy rust primer (two-pack)
Product Features:
It does not require high substrate treatment and can be constructed with rust; it has good flexibility and can be used in atmospheric environments and underwater steel facilities; it has excellent water resistance and rust resistance.
Performance parameters:
1. Color and appearance: iron red, smooth and smooth paint film
2. Non-volatile matter: ≥60%
3. Drying time: surface dry ≤1 hour; hard dry ≤24 hours (under 25℃)
4. Fineness: ≤50um
5. Impact strength: 50kg•cm
6. Flexibility: 1mm
7. Adhesion (circle method): ≤Level 2
8. Water resistance 96h: no rust, no bubbles
9. Salt water resistance (immersed in 3%NaCl, 48h): no foaming, no rust
Construction Instructions:
1. Surface treatment: sand blasting and shot blasting to remove oxide scale, rust and oil, up to Sa2.5 or St3.
2. Substrate temperature: 3°C higher than the dew point.
3. Coating method: can be brushed, rolled or sprayed.
4. Thinner: The epoxy paint thinner is adjusted to the appropriate viscosity for use.
5. Coating thickness: Mix evenly according to the ratio of A and B. After curing for 20 minutes, it is generally advisable to coat twice, and the dry film thickness is 40-80um.
6. Theoretical dosage: about 3.8㎡/kg, (calculated by dry film 50um).
7. Overcoating interval: 6 hours at 25℃, the longest is unlimited.
8. The supporting paints for the back channel: epoxy topcoat, acrylic polyurethane topcoat, and fluorocarbon topcoat.
Security:
1. The construction site should have good ventilation facilities.
2. Construction workers should wear masks, glasses, gloves and other protective equipment to avoid skin contact and inhalation of paint mist and solvents.
3. Smoking is strictly prohibited on the construction site, and all sources of ignition are isolated.
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