What is Bitumen MC30?
Bitumen MC30 is a medium-curing (MC) cutback bitumen, a type of liquid asphalt created by blending penetration-grade bitumen with a petroleum-based solvent, typically kerosene. This solvent reduces the viscosity of the bitumen, making it easier to apply at ambient temperatures without excessive heating. Once applied, the solvent evaporates, leaving behind a durable bitumen residue that adheres to surfaces. Known for its low viscosity and versatility, Bitumen MC30 is widely used in road construction and maintenance projects worldwide.
Where to Use Bitumen MC30?
Our Bitumen MC30 is ideal for road construction and pavement maintenance, particularly in scenarios where a flexible, cold-applied solution is needed. It excels in preparing surfaces for asphalt overlays and protecting underlying layers. Common use cases include:
- Prime Coats: Applied to unbound granular bases (e.g., gravel or crushed stone) to enhance adhesion with subsequent asphalt layers.
- Tack Coats: Used between existing pavement layers to ensure strong bonding with new asphalt overlays.
- Surface Treatments: Protects and seals road surfaces, preventing water infiltration and extending pavement life.
- Cold Mix Asphalt: Suitable for repairs or paving in cooler climates where hot mix asphalt is impractical.
Its medium-curing properties make it especially effective in temperate or cold regions, balancing penetration and curing time for optimal performance.
Applications of Bitumen MC30
MC30’s low viscosity and ease of use make it a go-to material for various applications:
- Prime Coat Application: Sprayed onto a prepared base at a typical rate of 0.7–1.2 liters per square meter, Bitumen MC30 penetrates the surface, waterproofs it, and binds loose particles. This creates a stable foundation for asphalt layers.
- Tack Coat Application: Applied at a lighter rate (around 0.2–0.5 liters per square meter), it acts as an adhesive between pavement layers, ensuring a monolithic structure that resists slippage and delamination.
- Surface Coating: Used to seal minor cracks and protect against weathering, prolonging the lifespan of roads.
- Temporary Surfaces: Perfect for deviations or patching during road repairs, especially in cold weather.
No heating is typically required in warm conditions, though slight warming can enhance penetration in cooler climates. Always follow local engineering specifications for best results.
Packing of Bitumen MC30
It is packaged for safe transport and storage:
- Steel Drums: Commonly packed in new, thick steel drums (approximately 220 kg each) mounted on pallets to prevent leaks during shipping. A standard 20-ton container can hold around 80 drums.
- Bulk Options: Available in bitutainers or tankers for large-scale projects, ensuring efficient delivery to construction sites. Quality assurance is key—reputable suppliers perform batch testing and arrange international inspections to meet standards like ASTM D2027M-13 or EN 15322:2009.
Tack Coat vs. Prime Coat: How Bitumen MC30 Fits In
- Prime Coat: Bitumen MC30 shines as a prime coat, penetrating granular bases to promote adhesion with the first asphalt layer. It’s applied at a higher rate and requires curing time before paving.
- Tack Coat: As a tack coat, it’s applied more sparingly to bond existing asphalt surfaces with new overlays. Its quick adhesion properties ensure a seamless pavement structure. In both roles, Bitumen MC30 enhances durability, reduces maintenance costs, and improves road performance.
Why Choose Bitumen MC30?
Solvent base asphalt offers a cost-effective, reliable solution for road projects. Its ease of application, strong bonding capabilities, and adaptability to various climates make it a staple in the industry. Whether you’re priming a base, tacking pavement layers, or sealing surfaces, Bitumen MC30 delivers lasting results.
Ready to incorporate Bitumen MC30 into your next project? Contact us for high-quality supplies, expert guidance, and competitive pricing!
Composition
- Bitumen Content: Approx. 55–58% by weight (varies by manufacturer)
- Solvent: Kerosene (approx. 42–45% by weight)
Packing Options
- Steel Drums: 220 kg (approx.) in new, thick steel drums, palletized to prevent leakage. Typical capacity: 80 drums per 20-ton container.
- Bulk: Available in bitutainers or tankers for large-scale projects.
Storage and Handling
- Storage: Store in sealed containers at ambient temperature, away from ignition sources.
- Transport: Use leak-proof containers; avoid high temperatures to prevent solvent loss.
- Safety: Avoid inhalation of vapors and skin contact. Wear appropriate PPE (gloves, heat protection if warmed). Refer to Material Safety Data Sheet (MSDS) for detailed handling instructions.
Quality Assurance
- Conforms to ASTM D2027M-13 specifications for medium-curing cutback asphalt.
- Batch-tested with international inspection options available upon request.
Physical Properties
| Property | Test Method | Specification |
|---|---|---|
| Kinematic Viscosity @ 60°C | ASTM D2170 | 30–60 mm²/s (cSt) |
| Flash Point (Tag Open Cup) | ASTM D3143 | ≥ 38°C (100°F) |
| Distillation Test: | ASTM D402 | |
| – To 225°C | 25–55% by volume | |
| – To 260°C | 60–85% by volume | |
| – To 316°C | 80–95% by volume | |
| Residue from Distillation | ASTM D402 | ≥ 50% by volume |
| Penetration of Residue @ 25°C | ASTM D5 | 120–250 (0.1 mm) |
| Ductility of Residue @ 25°C | ASTM D113 | ≥ 100 cm |
| Solubility in Trichloroethylene | ASTM D2042 | ≥ 99% |
| Water Content | ASTM D95 | ≤ 0.2% by volume |
| Specific Gravity @ 25°C | ASTM D70 | 0.95–1.05 g/cm³ |