Bond-it Bond It SBR Admixture Mortar/Rendering Bonding Agent 5L (White) - Box of 4 BDH040-4

Bond It SBR Admixture Mortar/Rendering Bonding Agent 5L (White) - Box of 4Description:Bond It SBR Admixture is a premium styrene butadiene copolymer additive and bonding agent designed to enhance the properties of mortars, renders, screeds, and repair mixes. It improves flexibility, adhesion, durability and resistance to abrasion, water, and chemicals. Suitable for both internal and external use, it can be used as a key coat, primer, or mixed into cementitious materials.Specifications:Appearance: Milky white liquid (dries clear)Composition: Styrene butadiene copolymer latexpH: ~9.5Solubility: Water solubleFlammability: Non-flammableBoiling point: ~100 °CApplication temperature: +3 °C to +30 °CSize: 5L per containerBox quantity: 4 unitsShelf life: 24 months in unopened containersStorage: +5 °C to +30 °C, cool, dry, protected from frost and sunlightCommodity code: 3824400000Features:Increases flexibility, adhesion, and plasticity in mixesReduces cracking, shrinkage and surface dustingImproves water, abrasion and chemical resistanceActs as bonding key coat or primerSuitable for both interior and exterior useUses/Applications:As a key coat: dilute 1 part SBR to 2 parts cement, brush into substrate before overcoatingAs a primer/sealing coat (e.g. for gypsum or anhydrite screeds): dilute 1:1 with water, apply two coatsAs an admixture: add 5–7.5 L per 25 kg cement in mortar or render, reducing gauging waterFlooring/screeds: use 5 L per 25 kg cement for up to 25 mm thicknessRepairs and patching: use key coat and 3:1 render mix for repairsUsed for internal and external applications, under render or on troubled substrates