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Single Gas Mask
Original price was: KSh3,000.00.KSh2,500.00Current price is: KSh2,500.00.
Abis Sibirica oil
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Bitumen Primer
Original price was: KSh7,000.00.KSh6,800.00Current price is: KSh6,800.00.
Bitumen Primer is a solvent-based, low-viscosity coating used to prepare and seal surfaces before applying bituminous waterproofing materials like membranes, mastics, or adhesives. It enhances adhesion, fills pores in concrete/metal, and provides a protective layer against moisture and corrosion. Commonly used in roofing, foundations, pipelines, and repair work, it dries quickly and forms a strong bond for long-lasting waterproofing. Ideal for both new construction and maintenance projects.
Description
BITUMEN PRIMER USES
Surface Preparation
- Seals Porous Surfaces: Bonds to concrete, masonry, or metal to create a uniform base.
- Improves Adhesion: Ensures better sticking of bituminous membranes, coatings, or mastics.
Waterproofing
- Foundations & Basements: Prevents moisture seepage in below-ground structures.
- Roofing: Used under bitumen sheets (e.g., APP/SBS membranes) or liquid-applied roofing.
- Bridges & Tunnels: Protects against water ingress in civil engineering projects.
Corrosion Protection
- Metal Pipes & Tanks: Acts as a rust-inhibitive base coat before bitumen wrapping.
Repairs & Maintenance
- Patch Prep: Cleans and primes damaged areas before applying repair compounds
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KEY ATTRIBUTES
1. Basic Identification Attributes
- Chemical Name: Bituminous solvent-based primer (mixture of bitumen and solvents)
- CAS Number: 8052-42-4 (for bitumen/asphalt), solvent CAS varies (e.g., 64742-95-6 for mineral spirits)
- HS Code: 3208.10.00 (Bituminous paints) or 2715.00.00 (Bitumen mixtures)
- Molecular Formula: Complex hydrocarbon mixture (no single formula)
- Synonyms: Asphalt primer, Bitumen paint, Bituminous undercoat, Cold-applied primer
2. Physical & Chemical Properties
- Physical State: Liquid (low-viscosity)
- Color & Odor: Dark brown/black; strong petroleum odor
- Boiling Point: 150–400°C (depends on solvent blend)
- Melting Point: N/A (bitumen softens at ~60–100°C)
- Density/Specific Gravity: 0.9–1.1 g/cm³
- Solubility:
- Water: Insoluble
- Organic Solvents: Miscible with hydrocarbons (e.g., xylene, toluene)
- pH Level: Neutral (~6–8)
- Vapor Pressure: High (due to volatile solvents)
- Flash Point: 30–60°C (flammable; solvent-dependent)
- Autoignition Temperature: ~250–400°C
- Viscosity: 50–200 cP (varies by formulation)
3. Safety & Hazard Attributes
- Hazard Class (GHS):
- Flammable Liquid (Category 3/4)
- Skin Irritant (Category 2)
- May cause drowsiness (solvent vapors)
- NFPA Ratings: Health: 2 | Flammability: 3 | Reactivity: 0
- Exposure Limits (OSHA PEL):
- Bitumen fumes: 5 mg/m³ (8-hr TWA)
- Solvents (e.g., toluene): 200 ppm (OSHA PEL)
- Reactivity: Stable but incompatible with strong oxidizers (e.g., peroxides, nitric acid).
4. Storage & Handling Attributes
- Storage Conditions:
- Cool, dry, ventilated area away from ignition sources
- Temperature: <30°C (to reduce solvent evaporation)
- Incompatible Materials: Oxidizers, acids, alkalis
- Container Type: Metal drums or solvent-resistant plastic containers
- Shelf Life: 12–24 months (sealed, unopened)
- Special Handling:
- PPE: Nitrile gloves, goggles, respirator (organic vapor cartridge)
- Use in well-ventilated areas (avoid confined spaces)
5. Regulatory & Compliance Attributes
- Regulatory Status:
- EPA: Regulated under CERCLA for spill reporting (if contains hazardous solvents).
- REACH: Bitumen components registered; solvents may require SDS disclosure.
- DOT: UN1136 (Coal tar or bitumen solutions, flammable), Class 3.
- Hazard Symbols:
- Flame (flammable)
- Exclamation mark (irritant)
- Transportation Restrictions:
- UN Number: UN1136 (if flash point <60°C)
- Packing Group: III
- Waste Disposal:
- Incineration or licensed hazardous waste facility (solvent content).
6. Environmental & Health Impact
- Ecotoxicity:
- Toxic to aquatic life (solvents, PAHs in bitumen).
- Avoid spills into waterways.
- Persistence:
- Bitumen: Slow degradation; solvents evaporate or degrade faster.
- Carcinogenicity/Mutagenicity:
- Bitumen fumes classified as IARC Group 2B(possibly carcinogenic).
- Some solvents (e.g., benzene derivatives) are OSHA carcinogens.
- Biodegradability: Poor (bitumen is persistent; solvents may biodegrade)
SAFETY PRECAUTIONS
Personal Protective Equipment (PPE)
- Wear chemical-resistant gloves(nitrile or neoprene).
- Use safety goggles or a face shieldto prevent eye contact.
- Wear long-sleeved clothingand aprons to avoid skin exposure.
- Use respiratory protection(organic vapor respirator) in poorly ventilated areas.
- Wear steel-toe bootsfor foot protection.
Handling & Storage
- Store in a cool, dry, well-ventilated areaaway from heat, sparks, and open flames.
- Keep containers tightly closedwhen not in use.
- Use non-sparking toolsto avoid ignition.
- Ground containers during transfer to prevent static buildup.
- Avoid skin contactand inhalation of fumes.
Ventilation
- Work in well-ventilated areasor use local exhaust ventilation.
- Avoid confined spaces without proper air circulation.
Spill & Leak Control
- Contain spills using inert absorbents(sand, vermiculite).
- Avoid washing into drains or water sources.
- Dispose of waste according to local hazardous waste regulations.
Inhalation (Fumes Exposure)
- Move to fresh air
- If breathing is difficult, provide oxygenand seek medical attention.
Skin Contact
- Remove contaminated clothing.
- Wash affected area with soap and water(do not use solvents).
- If irritation persists, seek medical help.
Eye Contact
- Flush eyes with lukewarm waterfor at least 15 minutes.
- Hold eyelids open to ensure thorough rinsing.
- Seek immediate medical attention.
Ingestion (Swallowing)
- Do NOT induce vomiting.
- Rinse mouth with water and seek emergency medical help.
Bitumen primer is flammable and can release toxic fumes when burning.
Suitable Extinguishing Media
- Dry chemical powder (ABC type)
- Carbon dioxide (CO₂)
- Foam(for larger fires)
- Water spray(to cool containers, but not direct jets)
Unsuitable Extinguishing Media
- Avoid water jets(can spread fire).
Firefighter Precautions
- Wear self-contained breathing apparatus (SCBA)and full protective gear.
- Cool nearby containers with water sprayto prevent explosion.
- Prevent runoff from entering drains or water bodies.
Special Hazards
- Burning bitumen primer releases toxic fumes (CO, SO₂, etc.).
- Risk of re-ignitioneven after flames are extinguished
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