■ product introduction
The product is of thick paste type. The two-component packaging paint is composed of epoxy resin, coal tar asphalt, pigment and additives, and the other component is amine curing agent.
■ main characteristics
The paint film has excellent adhesion, impact resistance and wear resistance, excellent water resistance and rust resistance; Good chemical resistance and oil resistance.
■ package specification
21 kg / barrel, curing agent 3.5 kg / barrel.
■ technical indicators
The paint film is black in color and appearance, and the paint film is flat
Drying time,
Surface dry (23 soil 2C) ≤ 2H
Dry (23 soil 2C) ≤ 24h
Flexibility, mm 1
Impact strength, kg.cm ≥ 50
Adhesion (circle drawing method), grade ≤ 2
Salt water resistance (3% NaCl, 23 ± 2 ℃, 10 days) without blistering and rust
Acid resistant (5% H2SO4, 23 ± 2 ℃, 10 days) without foaming and rust
Alkali resistant (5% NaOH, 23 ± 2 ℃, 10 days) without foaming and rust
■ main purpose
It is suitable for anti-corrosion coating of ship bottom, ballast water tank, wharf steel pile, mine steel support, tap water pipeline and cooling water pipeline of industrial and mining enterprises.
■ matching paint
Epoxy coal tar pitch antirust primer
■ surface treatment
For steel with oxide scale, the quality of sand blasting and derusting shall reach Sa2.5; Oxygen free steel shall be sand blasted to Sa2.5 or polished to ST3 with elastic grinding wheel. Steel coated with workshop primer shall be sand blasted to cleaning level or polished to ST3 with elastic grinding wheel.
■ painting reference
Paint density: 1.20 - 1.40g/cm3
Theoretical dosage: 110-130g / m2 (film thickness 45-50um, excluding loss)
Ratio: Paint: H-100 curing agent = 10:1 (WR)
Recoating interval: (2 ℃) 24h (30 ℃) 16h
Applicable period (23 ± 2 ℃): 6H
Diluent heavy duty anticorrosive epoxy diluent
Coating parameters
Airless spraying
The nozzle diameter is about 0.4-0.5mm
Ejection pressure: 20-30Mpa (about 200-300kg / cm2)
Air spraying
The nozzle diameter is about 2.0-2.5mm
Air pressure 0.3 - 0.5MPa (about 3-5kg / cm2)
■ storage and transportation
The product should be stored in a cool, dry and ventilated place. Prevent direct sunlight, isolate fire source and keep away from heat source. The storage period of paint is 12 months and that of curing agent is 12 months. During transportation, the products shall be protected from rain, sunlight and collision, and shall comply with the provisions of the transportation department on the transport of dangerous chemicals.
■ precautions
1. The substrate temperature is above 3 ℃ above the dew point, and the construction temperature is not lower than 5 ℃; The construction temperature is 5 degrees lower, and the quick drying curing agent shall be used.
2. This product should not be applied to the coating of outdoor sunlight exposure equipment.
3. The technical engineer of the manufacturer shall be consulted for the coating of the inner wall of the pipeline.