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Founded in 1997, Zhejiang Bolei Coatings Co., Ltd. is a subsidiary of Bolei Industrial Group, with multiple subsidiaries engaged in coatings manufacturing, construction services, new material development, and international trade.
As a professional paint manufacturer based in China, we specialize in anti-corrosion coatings, fireproof coatings, emulsion paints, epoxy floor paints, and JS waterproof paints, widely applied in both industrial and construction sectors.
With advanced production facilities, a strict quality control system, and a stable raw material supply chain, we deliver high-quality and cost-competitive coating products and engineering solutions to our clients worldwide.
Recommended Applications
For use as a rust and water-proofing Coating on steel surfaces in ballast tanks, void spaces, cofferdams, buried pipelines, and freshwater/seawater circulation pipes. It is resistant to a wide range of chemicals, including crude oil, aromatic and aliphatic solvents, and other chemicals.
Surface Preparation
All surfaces must be clean, dry, and free of contamination. Surface preparation must be assessed and performed in accordance with ISO 8504. Cleanliness: Sandblast to Sa 2 1/2 (ISO 8501-1:1988).
After overcoating, the paint surface must be dry and free of any contamination.
Storage
Must be stored in accordance with national regulations. The storage environment should be dry, cool, well-ventilated, and away from heat and ignition sources. The container must be kept tightly closed. At 25°C, the product has a shelf life of at least 12 months.
Packaging
Component A: 16 kg (base), Component B (curing agent): 4 kg.
| Technical Specifications | |
| Color | Black, Brown |
| Volume Solids (%) | 65% |
| Flash Point | 25℃±2 (Closed Cup) |
| Gloss | Matte |
| Recommended Dry Film Thickness | 50-200 μm |
| Gloss Retention | Fair |
| Water Resistance | Excellent |
| Abrasion Resistance | Good |
| Solvent Resistance | Good |
| Chemical Resistance | Good |
| Adhesion | Grade 1 |
| Flexibility | Good |
| Construction Parameters |
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| Application Method | Spraying: Use airless spraying or conventional spraying |
| Brushing: Recommended for touch-up. | |
| Mixing Ratio (by volume) | Component A: Component B = 4: 1 |
| Pot Life (25℃) | 4 hours (decreases as temperature rises) |
| Thinner/Cleaner | Special thinner |
| Guidelines for Airless Spraying | |
| Nozzle Pressure | 15 MPa |
| Nozzle Orifice | 0.46-0.68 mm |
| Thinner Addition Amount | 0-5% |
| Drying Characteristics | ||||||
| Substrate Temperature | -5℃ | 5℃ | 10℃ | 15℃ | 23℃ | 40℃ |
| Touch Dry | 16 hours | 10 hours | 8 hours | 6 hours | 4 hours | 2 hours |
| Hard Dry | 48 hours | 24 hours | 20 hours | 16 hours | 12 hours | 6 hours |
| Full Cure | 21 days | 14 days | 9 days | 7 days | 5 days | 3 days |
| Minimum Recoat Time | 48 hours | 24 hours | 20 hours | 16 hours | 12 hours | 6 hours |
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