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Master Seal 501
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Master Seal 501 is a high-performance, polymer-modified cementitious waterproofing compound designed for both interior and exterior applications. It provides a durable, flexible, and crack-resistant waterproof barrier on concrete, masonry, and plaster surfaces. The product is easy to apply by brush, roller, or spray and adheres strongly to substrates, preventing water ingress and protecting structures from moisture damage. Master Seal 501 is ideal for basements, water tanks, terraces, balconies, and retaining walls.
Description
Master Seal 501
Primary Uses
- Waterproofing
- Provides effective waterproofing for concrete and masonry surfaces, preventing water penetration.
- Suitable for basements, water tanks, balconies, terraces, and roofs.
- Crack Bridging
- Flexible formulation allows for bridging small cracks and accommodating substrate movements without failure.
- Protection of Structural Elements
- Protects concrete and masonry from moisture-related deterioration, corrosion of reinforcement, and freeze-thaw damage.
Secondary Uses
- Concrete Repair
- Used as a bonding and sealing layer in concrete repair works to enhance durability.
- Plaster and Render Coating
- Can be applied on plastered surfaces to improve water resistance and extend service life.
PRODUCT KEY FEATURES
- Basic Identification Attributes
- Chemical Name (IUPAC): Polymer-modified cementitious compound
- Common/Trade Name: Master Seal 501
- CAS Number: Not applicable (mixture)
- HS Code: 3824.90.90 (Chemical preparations not elsewhere specified)
- Synonyms: Waterproofing compound; polymer cement waterproofing; cementitious sealant
- Physical & Chemical Properties
- Physical State: Powder (to be mixed with water)
- Color & Odor: Grey; characteristic cement odor
- pH (mixed slurry): Approximately 11 – 12
- Solubility: Insoluble in water once cured
- Density: Approx. 1.3 – 1.5 g/cm³ (powder form)
- Safety & Hazard Attributes
- GHS Classification: Causes serious eye irritation (Category 2A); may cause skin irritation
- Toxicity: Low toxicity; avoid inhalation of dust and prolonged skin contact
- Exposure Limits: Follow general dust exposure limits and handling precautions
- Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry place in original sealed bags
- Container Type: Supplied in 25 kg bags
- Shelf Life: 6-12 months if stored properly
- Handling Precautions: Use dust mask, gloves, and eye protection during mixing and application
- Regulatory & Compliance Attributes
- Complies with relevant waterproofing and construction chemical standards
- Meets environmental and safety regulations applicable to construction products
- Environmental & Health Impact
- Biodegradability: Not biodegradable but inert once cured
- Ecotoxicity: Low environmental impact when used as intended
- Bioaccumulation: Not applicable
- Carcinogenicity/Mutagenicity: Not classified as hazardous
SAFETY HANDLING PRECAUTIONS
- Safety Handling Precautions
- PPE Required: Gloves, dust mask, and safety goggles recommended
- Handling Guidelines: Avoid inhalation of dust; handle in well-ventilated areas
- Storage Measures: Keep sealed and dry to prevent moisture ingress
- First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if irritation occurs
- Skin Contact: Wash thoroughly with soap and water; seek medical advice if irritation develops
- Eye Contact: Rinse immediately with plenty of water for 15 minutes; seek medical attention
- Ingestion: Do not induce vomiting; rinse mouth and seek medical help
- Firefighting Measures
- Fire Hazards: Non-flammable
- Extinguishing Media: Use water spray, foam, or dry chemical extinguishers if required for surrounding fire
- Special Precautions: Use standard protective equipment
- Hazardous Combustion Products: None expected under normal fire conditions
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