ReArm SBR 45 Styrene Butadiene Rubber Bonding Agent & Mortar Modifier | Heavy-Duty Waterproof Repair Polymer for Concrete & Screeds | 5L & 20L

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MYK ARMENT


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Specification Parameter
Brand / Product ReArm SBR 45
Product Type SBR Mortar Modifier & Concrete Bonding Agent
Chemical Base Modified Styrene Butadiene Rubber (SBR) Emulsion
Color & Form Milky White Liquid
Specific Gravity 1.02
Compressive Strength (28 Days) 220 N/mm² (vs. 200 N/mm² Control)
Tensile Strength (28 Days) 32 N/mm² (vs. 25 N/mm² Control)
Flexural Strength (28 Days) 50 N/mm² (vs. 40 N/mm² Control)
Testing Standard Tested in accordance with BS 6319
Recommended Dosage Approx. 5 Liters per 50 kg Bag of Cement
Available Packaging 5 Liters & 20 Liters Containers
Best Used For Concrete Repair, Old-to-New Bonding, Waterproof Plaster & Roof Screeds

 

  • Dual-Action Bonding & Modifying Matrix: Functions as an impenetrable slurry bond coat for cold joints and an internal modifier for high-strength, waterproof repair mortars.

  • Superior 220 N/mm² Compressive Strength: Delivers an impressive 28-day compressive strength of 220 N/mm² under BS 6319 testing standards, outperforming standard control mortars at all curing stages.

  • Advanced Hydrostatic Waterproofing: Densifies cementitious mortar matrices to block internal moisture migration, making it ideal for roof finishing, exterior wall renderings, and wet areas.

  • Enhanced Flexural & Tensile Resilience: Boosts 28-day tensile strength to 32 N/mm² and flexural load handling to 50 N/mm², successfully preventing structural micro-cracking and mortar shrinkage.

  • Optimized Workability at Low Water Ratios: Allows a reduced water-cement ratio of 0.35 with a standard dosage of 5L per 50kg cement bag, ensuring dense compaction across structural repair sites in Nepal.

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