■ main purpose
It is suitable for anti-corrosion coating of chemical equipment metal rust, ship metal surface, bridge steel structure, underground pipeline metal surface and other steel structures.
■ package specification
(original paint) 18kg barrel.
■ technical indicators
The color and appearance of the paint film shall be flat and smooth
Viscosity (coating 4# cup, 23 ± 2 ℃) s ≥ 60
Drying time
Surface dry (23 ± 2 ℃) ≤ 0.5h
Practical drying (23 ± 2 ℃) ≤ 12h
Impact strength Kgcm ≥ 50
Adhesion (circle drawing method), grade ≤ 2
Acid resistant (10% hydrochloric acid, 23 ± 2 ℃, 10 days) without foaming and rust
Alkali resistant (10% caustic soda, 23 ± 2 ℃ C, 10 days) without foaming and rust
■ matching paint
(previous course) high chlorinated polyethylene antirust primer
■ surface treatment
For steel with oxide scale, the quality of sand blasting and derusting shall reach sa25; Oxygen free steel, sand blasted to Sa2.5 or hit with elastic grinding wheel
Grinding and derusting to grade ST3; Steel coated with shop primer shall be derusted to ST3 by cleaning sand blasting or grinding with elastic grinding wheel.
■ painting reference
Paint density: about 1.20-1.25g/cm
Theoretical dosage: about 110-130g / M (film thickness 25-30um, excluding loss)
Diluent diluent
Coating parameters
Airless spraying
The nozzle diameter is about 0.4-0.5mm
Discharge pressure 12-15mpa (about 120-150kg / cm2)
Air spraying
The nozzle diameter is about 0.3-0.5mm
Air pressure: 03-04mpa (about 3-4kg / cm2)
Brush coating
Use professional tools for construction
■ storage and transportation
The product shall be stored in a cool, dry and ventilated place to prevent direct sunlight, isolate the fire source and keep away from the heat source. The storage period of paint is 12 months. During transportation, the products shall be protected from rain, sunlight and collision, and shall comply with the transportation regulations of the transportation department on dangerous chemicals.
■ precautions
1. The substrate temperature is above 3 ℃ above the dew point.
2. Pay attention to ventilation at the construction site, take measures such as fire prevention, anti-static and poisoning prevention, and abide by the coating operation procedures and relevant regulations.
