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Sika SBR 2
High performance styrene butadiene rubber copolymer latex designed as an integral bonding agent, waterproof coating modifier, and structural concrete repair mortar additive.
Key Features and Benefits
- Superior bonding:Tremendously improves adhesion between fresh mortar and parent concrete
- Water permeability reduction:Forms dense polymeric matrix that eliminates water seepage
- Crack resistance:Significantly reduces shrinkage cracking and improves flexural modulus
- Chemical resistance:Shields concrete from aggressive salts, carbonation, and chemical wash
Recommended Areas of Application
Ideal structural locations and substrates
Structural Concrete Repairs and Toppings
Bonding Agent for Old to New Concrete
Waterproof Renders and Plasters
Chajjas, Parapets, Beams, and Columns
Technical Specifications
Manufacturer product data sheet summary
AppearanceMilky white liquid dispersion
Specific Gravity1.01 to 1.03
Total Solids38% to 42%
Bond Slurry Ratio1:1 by weight with fresh cement
Shelf Life12 months from manufacturing date
Packaging1L, 5L, 20L Containers
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