Component:
Hydroxyl epoxy resin, heat-resistant pigment/filler, additive, solvents, polyisocyanate prepolymer, etc. Two-component (A and B) package for primer/topcoat.

Application:
Surface of chimney which base can be steel or concrete and other steel structures.

Properties:
Good corrosion prevention for acid, base, salt and chemical gas, excellent resistance to oil, water and solvent, good flexibility, adhesion and heat resistance, little discoloration after long-time usage under 160 ℃ while not influencing protection.

Physical Parameter:
Color: Primer: iron red, Topcoat: red brown, brown green, deep gray

Specific Gravity: Primer: approx. 1.55 kg/L, Topcoat: approx. 1.52 kg/L,

Theoretic Dosage: Primer: 0.14 kg/m2, Topcoat: 0.14 kg/m2

Film Thickness: Primer: WFT: 90μm  DFT: 40μm, Topcoat: WFT: 93μm  DFT: 40μm

Flash Point: Component A: 32℃, Component B: 30 ℃

Drying Time: 25℃, Dust-Free: ≤2 h, Hard Drying: ≤24 h, Fully Curing: 7 d

Storage: Component A: 1 year, Component B: 6 months

Application Parameter:
Formula Ratio:
Primer: Component A (vehicle)：Component B (curing agent)=6:1

Topcoat: Component A (vehicle)：Component B: (curing agent)=6:1

Curing Time: 25℃, Fully mixing after use

Pot Life: 25℃, 6~8 h

Coating Method: High-pressure airless spray, hand brushing, roll coating

Diluent/Dilution Ratio: Primer: 105 polyurethane coatings diluent, <5%

Coating Interval: Primer: 25 ℃, Min.8 h, Max. 72 h

Surface Treatment: Impact cleaning or sand blasting of steel surface till qualified Sa 2.5, or hand cleaning and kinetic machine derusting till to St 3 Standard of Sweden. Surface of concrete should be out of grout and bur.

Recommended Layers: 2 layer of high-pressure airless spray, followed by 1~2 layers of topcoat, 120~160μm DFT 

Claim:
The data in this Specification is derived from experiments and practical applications, and can be regarded as a guide for application. The title product is only for specialty application. Otherwise we only guarantee the quality of the said coating itself if it is used in other sectors undescribed herein or fresh sectors