ReArm SBR 35 Polymer for Cement Mortar & Screed cum Bonding Agent | SBR Latex Waterproofing & Spalled Concrete Repair Admixture
| Specification Attribute | Technical Detail |
| Product Brand & Name | ReArm SBR 35 |
| Product Function | Polymer for Cement Mortar / Screed cum Bonding Agent |
| Chemical Base | Modified Styrene Butadiene Rubber (SBR) Emulsion |
| Appearance / Colour | Milky White Liquid |
| Specific Gravity | Approx. 1.02 gm/cc |
| Testing Standard | BS 6319 (Wet Cured Matrix Evaluation) |
| Compressive Strength (1:3 Mortar @ 28 Days) | 21.8 N/mm² (with SBR 35 @ W/C 0.35) vs 20.0 N/mm² (Control) |
| Tensile Strength (@ 28 Days) | 2.9 N/mm² (with SBR 35) vs 2.5 N/mm² (Control) |
| Flexural Strength (@ 28 Days) | 4.4 N/mm² (with SBR 35) vs 4.0 N/mm² (Control) |
| Recommended Standard Dosage | ~10 Litres per 50 kg Bag of Cement |
| Available Packaging Sizes | 20 Litre Pack & 200 Litre Industrial Drum |
| Shelf Life & Storage | 12 Months in unopened sealed packs; store in a cool, dry, shaded area |
| Health & Safety | Non-toxic; avoid contact with skin/eyes; use protective gloves and goggles |
| Target Applications | Spalled Concrete Repair, Floor Screeds, Waterproof Exterior Plasters, Crack Infill & Bonding Slurries |
| Best Used For | High-Bonding Structural Patching, Durable Industrial Overlays, and Watertight Masonry Renders |
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Advanced SBR Polymer Modification: Significantly enhances tensile, flexural, and compressive strengths while lowering the water-cement ratio (W/C down to 0.35) for dense, non-shrink repair mortars.
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Superior Interfacial Adhesion: Delivers high-strength bonding across old-to-new concrete, cement plasters, brick masonry, and stonework, preventing delamination in structural patch repairs.
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Impermeable Waterproof Barrier: Renders external plasters, screeds, and masonry joints tightly water-resistant, protecting reinforcement steel against chloride penetration and water seepage.
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Versatile Repair & Floor Screed Application: Ideal for repairing worn, spalled, or honeycombed concrete, filling structural cracks, laying heavy-duty floor screeds, and fixing tiles.
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Single-Component & Universal Cement Compatibility: Ready-to-blend milky white emulsion works with all standard hydraulic cements and comes packaged in practical 20L and 200L bulk packs.
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