Coast Calcium Hydrated Lime (Calcium Hydroxide) 25kg

Coast Calcium Hydrated Lime

The Coast Calcium Hydrated Lime (Calcium Hydroxide) 25kg serves as a fundamental chemical component in professional masonry, plastering, and industrial water treatment. This high-purity slaked lime provides the necessary alkaline properties for neutralizing acidic soils and enhancing the workability of cement-based mixtures. It is specifically processed to meet the rigorous demands of civil engineering and structural finishing.

Built for the Job

In the construction sector, this chemical compound is essential for producing high-quality mortars and renders. When added to a sand-cement mix, the powder improves the plasticity of the mortar, allowing for smoother application and better adhesion to masonry units. The material undergoes a carbonation process upon exposure to air, where it reacts with carbon dioxide to form calcium carbonate crystals. This reaction helps the mortar gain strength over time and contributes to the self-healing properties of traditional lime-based finishes, effectively sealing micro-cracks that may develop due to structural settlement.

• Modification of cement-based mortars to improve water retention and bond strength in brickwork.

• Soil stabilization for roadworks and site preparation to reduce plasticity in clay-heavy soils.

• Industrial pH adjustment in water treatment plants and chemical manufacturing processes.

Product Highlights

High Purity Slaked Lime

The manufacturing process ensures a high concentration of calcium hydroxide for consistent chemical reactivity.

Masonry Performance

• Increases the sand-carrying capacity of the mortar mix.
• Enhances the flexural bond strength between bricks and mortar joints.
• Reduces the risk of efflorescence by controlling moisture movement.

Technical Specifications

What’s Included

• 1 x 25kg Bag of Coast Calcium Hydrated Lime

On-Site & Workshop Notes

• Store the bags in a dry, well-ventilated area off the ground to prevent moisture absorption and premature carbonation.

• Always wear appropriate PPE, including gloves and eye protection, as this material is strongly alkaline and can cause skin irritation.

• For standard mortar mixes, follow a ratio of 1 part lime to 1 part cement and 6 parts sand to ensure optimal balance between strength and workability.

• Ensure the powder is fully integrated into the dry mix before adding water to prevent the formation of lumps.