The new modified styrene butadiene latex has significantly improved its application performance in construction and road construction.
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In terms of construction, the latex can be used to seal the joints between buildings and roads and repair cracks. The modified concrete has greatly enhanced performance, with a tensile strength greater than 5MPa, an impact strength increased by 1-5 times, a flexural tensile strength increased by 2-4 times, a wear resistance increased by 1-5 times, and water resistance and weather resistance also improved. This makes the structure of the building more stable, better able to resist erosion and impact from the external environment, and extend the service life of the building.
At the same time, it is inexpensive, has strong adhesion, is easy to mix with cement, is easy to construct, and can quickly form a film at room temperature, greatly improving construction efficiency and reducing construction costs. In road construction, modified styrene butadiene latex can be used for the paving of high-grade highway pavements, general highway pavements, and pedestrian bridge decks.
In construction applications, Styrene Butadiene Rubber (SBR) serves as a pivotal additive due to its versatile properties and wide-ranging benefits. As a synthetic polymer, SBR offers exceptional advantages when incorporated into various construction materials and mixtures.
Increased Flexibility: Incorporating SBR into cement mixes increases the flexibility of the hardened material. This flexibility allows the material to withstand minor substrate movements without cracking or failing, making it ideal for applications where structural movement is expected.
Improved Durability: SBR enhances the durability of cement-based materials, making them more resistant to wear, abrasion, and weathering. This results in longer-lasting structures that require less maintenance over time.
Waterproofing Properties: SBR acts as a waterproofer when added to cement mixes, providing protection against moisture ingress and water penetration. This is particularly beneficial in applications where waterproofing is essential, such as basements, bathrooms, and exterior facades.
Crack Resistance: SBR helps to reduce the formation and propagation of cracks in cement-based materials. By distributing stress more evenly throughout the material, SBR helps to prevent cracks from forming, even under challenging conditions.
Enhanced Workability: SBR improves the workability of cement mixes, making them easier to mix, apply, and finish. This results in smoother, more uniform surfaces with fewer defects or imperfections.
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Applications of SBR:
Repair and Rehabilitation:
SBR is commonly used in concrete repair and rehabilitation works. It is added to repair mortars, grouts, and overlays to improve their adhesion and durability.
Tile Adhesive and Grouts:
SBR is added to tile adhesives and grouts to enhance their bond strength, flexibility, and water resistance. This ensures long-lasting adhesion and prevents detachment of tiles.
Waterproofing:
SBR-based coatings and membranes are widely used for waterproofing applications. They are applied to roofs, basements, and other areas prone to water leakage to provide protection against moisture
Uniguard offers two types of SBR:
Admix SBR: Aqueous dispersion of Styrene-butadiene Rubber copolymer with 10% solids content, used as bonding agent and admixture improves the adhesion and cohesion of concrete & cement mixes, recommended for use at a dosage of 10 kg/m3.
Admix SBR Plus: Bonding agent and admixture from an aqueous dispersion of Styrene-butadiene Rubber copolymer with high solid, recommended for use at a dosage of 5 kg/m3.
With Uniguard's SBR solutions, you can maximize the benefits of SBR to enhance the durability and performance of your construction projects.
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