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BuildSeal SBR Latex

A styrene-butadiene rubber (SBR) latex emulsion used as a bonding agent, waterproofing admixture, and modifier for cement mortars and screeds. BuildSeal SBR Latex improves adhesion, flexural strength, and impermeability when added to cementitious mixes.

Packaging

1 L can, 5 L can, 20 L drum, 200 L barrel

Coverage

Varies by application — refer to technical data sheet

Quality Certified
Technical Support

Features

  • Multi-purpose — bonding, waterproofing, and mortar modification
  • Improves flexural and tensile strength of mortars by up to 50%
  • Reduces water absorption and permeability of modified mixes
  • Excellent bonding agent for old-to-new concrete
  • Compatible with Portland cement and blended cements
  • Non-re-emulsifiable once cured

Technical Specifications

ColourWhite milky liquid
Density1.02 ± 0.02 kg/L
pH Value9.0 – 10.5
Shelf Life12 months (store above 5 °C)
Solid Content45 ± 2%
Adhesion (Bond Strength)> 1.5 MPa (with cement slurry)
Film Formation Temperature5 °C
Water Absorption Reduction> 80% compared to unmodified mix

Application Areas

Waterproofing admixture for plaster and screedBonding slurry between old and new concreteModification of repair mortarsWaterproofing of wet areas when mixed with cementPrimer for cementitious waterproofing coatingsPatching and skimming compound preparation

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