About
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 & Benefits
Improves Bond Strength Excellent adhesion for mortars, screeds, and tiles
Waterproofing Additive Reduces water absorption of cementitious mixes
Durable & Flexible Enhances tensile & flexural strength, resists shrinkage cracks
Chemical & Abrasion Resistance Resists mild chemicals, wear, and freeze-thaw cycles
Improves Workability Makes mixes smoother and easier to apply
Versatile Uses Renders, screeds, repair mortars, tile adhesives, bonding slurries
Technical Specifications
Appearance: White emulsion
Specific Gravity: ~1.02
pH: 7.8 10
Mix Ratio (Bonding Slurry): 1:1 (Boscocem SBR : Cement by volume)
Render Mix (68 mm thickness): 50 kg cement + 125 kg sand + 9 kg SBR+water
Heavy Duty Floor Screed (2540 mm): 50 kg cement + 75 kg sand + 75 kg granite chips + 9 kg SBR+water
Shelf Life: 12 months (stored cool & dry, unopened)
Packaging: 1 L, 5 L, 20 L & 200 L drums
FAQ (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: 68 mm
Heavy-duty screeds: 2540 mm
Q5. 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). अधिक Information Please Visit CIVILIZEMART