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91 000 74051 Bostik Boscocem SBR – Styrene Butadiene Rubber (SBR) Latex Emulsion Additive designed for use with cement-based products like mortars, screeds, renders, and tile adhesives. It improves bond strength, flexural strength, durability, and waterproofing. When used in bonding slurries or polymer-modified mortars, it ensures long-lasting adhesion and reduced cracking in construction and repair applications.Key Features & BenefitsImproves Bond Strength – Excellent adhesion for mortars, screeds, and tilesWaterproofing Additive – Reduces water absorption of cementitious mixesDurable & Flexible – Enhances tensile & flexural strength, resists shrinkage cracksChemical & Abrasion Resistance – Resists mild chemicals, wear, and freeze-thaw cyclesImproves Workability – Makes mixes smoother and easier to applyVersatile Uses – Renders, screeds, repair mortars, tile adhesives, bonding slurriesTechnical SpecificationsAppearance: White emulsionSpecific Gravity: ~1.02pH: 7.8 – 10Mix Ratio (Bonding Slurry): 1:1 (Boscocem SBR : Cement by volume)Render Mix (6–8 mm thickness): 50 kg cement + 125 kg sand + 9 kg SBR+waterHeavy Duty Floor Screed (25–40 mm): 50 kg cement + 75 kg sand + 75 kg granite chips + 9 kg SBR+waterShelf Life: 12 months (stored cool & dry, unopened)Packaging: 1 L, 5 L, 20 L & 200 L drumsFAQ (Questions & Answers)Q1. What is Boscocem SBR used for?It is used as a bonding agent, waterproofing additive, and modifier for cement mortars, renders, and screeds.Q2. Can it be used for tile fixing?Yes, it improves adhesion for ceramic, vitrified, and stone tiles.Q3. What is the mix ratio for bonding slurry?1 part SBR : 1 part cement (by volume).Q4. What thickness can be achieved with renders/screeds?Renders: 6–8 mmHeavy-duty screeds: 25–40 mmQ5. What are the available pack sizes?1 L, 5 L, 20 L & 200 L drums.Q6. What is the shelf life?12 months in sealed containers under dry, cool conditions.Q7. What is the approximate price OF Bostik Boscocem SBR ?A. Market price generally ranges from ₹2500 – ₹4200 per PIECE (20L). More Information Please Visit CIVILIZEMART