Bituminous Bottom Coating
Premium Bituminous Bottom Coating for Superior Protection
Our high-performance Bituminous Bottom Coating provides exceptional protection against corrosion, abrasion, and environmental factors. This specially formulated coating creates a durable, waterproof barrier that extends the lifespan of metal surfaces in harsh conditions.
Key Features
- Excellent adhesion to steel, iron, and other metal surfaces
- Highly resistant to water penetration and moisture damage
- Temperature resistant from -30°C to +80°C
- Forms a flexible membrane that won't crack or peel
- Contains corrosion inhibitors for extended protection
- Easy application with brush, roller, or spray equipment
Technical Specifications
| Parameter | Value |
|---|---|
| Base Material | Modified Bitumen |
| Solids Content | 65±2% |
| Density | 1.45±0.05 g/cm³ |
| Flash Point | >200°C |
| Drying Time | Touch dry in 4 hours, full cure in 24 hours |
| Theoretical Coverage | 0.5 kg/m² for 500μm dry film thickness |
Recommended Applications
- Underside protection for vehicles and heavy equipment
- Pipelines and underground metal structures
- Marine applications below the waterline
- Foundation and structural steel protection
- Industrial flooring in corrosive environments
Bituminous Bottom Coating FAQ
What surface preparation is required before applying Bituminous Bottom Coating?
Proper surface preparation is crucial for optimal performance. Remove all loose rust, scale, and contaminants using power tools or abrasive blasting to achieve SSPC-SP 3 or better. Degrease the surface with appropriate solvents. The surface should be dry and free from oil, grease, dust, and loose particles. For best results, apply when surface temperature is between 10-35°C.
How long does Bituminous Bottom Coating typically last?
When properly applied under recommended conditions, our Bituminous Bottom Coating provides protection for 5-8 years in normal service conditions. In extreme environments (marine, chemical exposure, frequent abrasion), we recommend annual inspections and touch-ups as needed. Factors affecting longevity include surface preparation, film thickness, environmental conditions, and mechanical wear.
Can Bituminous Bottom Coating be applied over existing coatings?
It depends on the existing coating's condition and compatibility. Remove any loose or peeling material and clean thoroughly. Conduct a small test patch first - if the existing coating softens, wrinkles, or shows poor adhesion, complete removal is necessary. Our technical team can provide specific guidance for your application scenario. In general, we recommend removing incompatible coatings for best results.
Application Guidelines
- Stir the product thoroughly before and during use
- Apply at temperatures between 5°C and 40°C
- Recommended dry film thickness: 500-1000μm
- Apply second coat after first coat becomes tack-free (typically 4-6 hours)
- Allow full cure (24 hours) before exposing to service conditions
- For spray application, use equipment with 40-60 psi at the gun
Safety Information
- Use in well-ventilated areas
- Wear appropriate PPE: gloves, goggles, and respirator if spraying
- Keep away from heat, sparks, and open flames
- Store in original tightly closed containers at 5-30°C
- Dispose of waste in accordance with local regulations
Additional Bituminous Bottom Coating Questions
What's the shelf life of unopened Bituminous Bottom Coating?
When stored properly in original sealed containers between 5-30°C, our Bituminous Bottom Coating maintains its specifications for 12 months from production date. Avoid freezing and excessive heat. After opening, use within 3 months for best results. Always check for skinning or separation before use - if significant, do not use.
How do I clean tools after applying Bituminous Bottom Coating?
Clean tools immediately after use with mineral spirits or specialized coating remover. For brushes and rollers, soak in solvent and work the bristles to remove all coating material. Spray equipment requires thorough flushing with appropriate solvent followed by cleaning solution. Never allow Bituminous Bottom Coating to dry in tools or equipment as it becomes extremely difficult to remove.
Can Bituminous Bottom Coating be painted over?
Yes, but with specific conditions. Allow full cure (minimum 72 hours), then clean surface and apply a compatible primer. Epoxy-based topcoats generally provide the best adhesion. Always conduct adhesion testing on a small area first. We recommend consulting our technical data sheet for specific topcoat recommendations based on your project requirements.
Packaging Options
| Container Size | Weight | Coverage |
|---|---|---|
| 1 Liter can | 1.45 kg | 2 m² at 500μm DFT |
| 5 Liter pail | 7.25 kg | 10 m² at 500μm DFT |
| 20 Liter drum | 29 kg | 40 m² at 500μm DFT |
| 200 Liter barrel | 290 kg | 400 m² at 500μm DFT |
Our Bituminous Bottom Coating represents the industry standard for durable, long-lasting protection of metal surfaces exposed to harsh conditions. With proper application and maintenance, it provides cost-effective corrosion prevention that outperforms conventional coatings. Contact our technical support team for project-specific recommendations and application guidance.