Fosroc Construction Chemicals

Product Details:

Eco-friendly, water-based, clear curing compound, sealer and dustproofer. Uses Provides a clear curing, sealing, dustproofing compound and acts as a pre-cure finishing aid, which can be used in a wide range of applications: ??? High rise construction to eliminate water curing ??? Floors, warehouses, slabs and columns ??? Dustproofing concrete walls and floors ??? Clear sealer for concrete ??? Self-curing, primer system to subsequent coverings ??? Pre-cure finishing aid; enables ease of finishing concrete flat works and pavement by manual steel or mechanical trowel Advantages ??? Eco-friendly - water based, free from solvent, oils waxes, chlorinated or saponifiable materials ??? Excellent evaporation controlling compound, resulting in moisture retention ??? Excellent moisture retention for freshly placed concrete, resulting in minimising shrinkage cracks ??? Suitability for foot traffic ??? UV, chemical and abrasion resistant ??? Versatile - can be applied equally well to freshly placed or existing concrete ??? Cost effective - can be overcoated with waterbased and solvent based acrylic coatings, epoxy coatings, polyurethane coatings etc. Standards compliance Complies to ASTM C1315 Type 1, class A. Description Concure 1315 is an acrylic polymer based non-degrading, single component, clear curing compound. It is also suitable for use as a sealer and dustproofer for floors and walls. Concure 1315 is resistant to UV, abrasion and a range of chemicals. Concure 1315 is applied by spray at a coverage rate of 5-10m??/litre. Specification Where indicated in the contract documents, the water based curing copound with sealing and dustproofing properties will be Concure 1315 supplied by Fosroc. Properties Solids content (ASTM D1644) : 27% Moisture retention : 0.37kg/m?? (ASTM C156) Drying time : 35 - 40 mins @ 20??C (ASTM C135, M 8.3) 10 - 15 mins @ 35??C UV Resistance : Resistant - no yellowing, (ASTM G53) chalking - lighter than gardener colour 3 Adhesion of tile cement (ASTM C1315/ASTM D4541): 1.2 N/mm?? Chemical resistance (ASTM D1308 - spot testing, 48hrs) Acids (m/v) Lactic acid 20% : Excellent Acetic acid 20% : Excellent Nitric acid 5% : Excellent Sulphuric acid 25% : Excellent Hydrochloric acid 10% : Excellent Solvents & organics Ethylene glycol 40% : Excellent Aqueous solutions Sodium Hydroxide 10% : Excellent Copper Sulphate 25% : Excellent Zinc Sulphate 25% : Excellent Magnesium Sulphate 25% : Excellent Tap water : Excellent Sea water : Excellent Ground water : Excellent High sulphate water : Excellent Distilled water : Excellent Alkaline detergent solution : Excellent Dairy/food products Milk : Excellent Buttermilk : Excellent Yoghurt : Excellent Cheese : Excellent Fruit juices : Excellent For resistance to other chemicals, consult the local Fosroc representative.

Cement additives are substances added to cement during the manufacturing process or at the job site to enhance its properties and performance. Here's a description:

1. Water Reducers: Also known as plasticizers or superplasticizers, water reducers are additives that reduce the amount of water needed in a concrete mix without sacrificing workability. They improve concrete strength and durability by reducing the water-cement ratio.

2. Retarders: Retarders are additives that slow down the setting time of cement, allowing for more extended workability and placement time. They are particularly useful in hot weather or when transporting concrete over long distances.

3. Accelerators: Accelerators are additives that speed up the setting time of cement, enabling faster strength development and early formwork removal. They are beneficial in cold weather conditions or when rapid construction is required.

4. Air Entraining Agents: Air entraining agents are additives that introduce microscopic air bubbles into concrete, improving its workability, durability, and resistance to freeze-thaw cycles. They enhance concrete's ability to withstand harsh weather conditions.

5. Pozzolans: Pozzolans are materials such as fly ash, silica fume, or slag, added to cement to improve its strength, durability, and chemical resistance. They react with calcium hydroxide in cement to form additional cementitious compounds.

6. Set-Control Agents: Set-control agents are additives that help control the setting time of cement by delaying or accelerating the hydration process. They ensure proper placement and finishing of concrete in various conditions.

7. Shrinkage Reducing Admixtures: Shrinkage reducing admixtures reduce the drying shrinkage of concrete, minimizing cracking and improving overall durability. They are particularly useful in large concrete placements and high-performance applications.

8. Corrosion Inhibitors: Corrosion inhibitors are additives that protect reinforcing steel in concrete from corrosion caused by chloride ions, carbonation, or other aggressive substances. They extend the service life of concrete structures in corrosive environments.

9. Coloring Agents: Coloring agents are additives used to tint concrete, providing aesthetic enhancements and architectural versatility. They come in various colors and forms, allowing for custom designs and decorative finishes.

10. Waterproofing Additives: Waterproofing additives are substances added to concrete to improve its resistance to water penetration and moisture damage. They create a hydrophobic barrier within the concrete, preventing water ingress and enhancing durability.

Cement grout is a mixture of cement, water, and sometimes additives, used in construction and civil engineering for various applications such as filling voids, anchoring bolts, repairing cracks, and providing support to structures. Here's an overview:

1. Composition: Cement grout typically consists of Portland cement as the primary binding agent, mixed with water to form a paste-like consistency. Additives such as sand, aggregates, and chemical admixtures may also be included to enhance specific properties such as strength, flowability, and durability.

2. Types of Cement Grout:

   • Unsanded Grout: Consists of cement and water and is commonly used for filling narrow joints or gaps, typically less than 1/8 inch wide, such as tile joints.
   • Sanded Grout: Contains fine sand particles mixed with cement and water, providing improved strength and durability. It is used for wider joints, typically between 1/8 inch to 1/2 inch wide.
   • Non-Shrink Grout: Formulated with special additives to minimize shrinkage during curing, making it suitable for applications where dimensional stability is critical, such as under heavy machinery or structural elements.
   • Epoxy Grout: Made from epoxy resins and fillers, epoxy grout offers superior chemical resistance, stain resistance, and durability compared to cement-based grout. It is commonly used in commercial and industrial settings.
   • Microfine Cement Grout: Utilizes microfine cement particles to achieve high strength and low permeability, making it suitable for grouting in rock formations, soil stabilization, and repairing cracks in concrete structures.

3. Mixing and Application: Cement grout is mixed to the desired consistency and then applied using various methods such as pouring, pumping, or troweling, depending on the specific application requirements. It is essential to follow manufacturer recommendations for mixing ratios, curing times, and application techniques to ensure proper performance.

4. Properties:

   • Strength: Cement grout develops compressive strength over time, providing structural support and stability to the surrounding elements.
   • Adhesion: Properly mixed and applied cement grout forms a strong bond with the substrate, preventing water infiltration and ensuring long-term durability.
   • Permeability: Cement grout can be formulated to have low permeability, providing effective waterproofing and protection against chemical attack.
   • Shrinkage: Some types of cement grout may experience shrinkage during curing, which can lead to cracking or void formation if not properly controlled.

5. Applications:

   • Tile Installation: Used for filling joints between tiles in ceramic, porcelain, and natural stone tile installations.
   • Concrete Repair: Used for repairing cracks, voids, and spalls in concrete structures, providing structural reinforcement and waterproofing.
   • Anchoring and Bolting: Used for anchoring bolts, dowels, and reinforcement bars into concrete or masonry substrates, providing secure attachment points for structural elements.
   • Soil Stabilization: Used for grouting in soil and rock formations to improve stability and prevent erosion in civil engineering and geotechnical applications.