{"product_id":"sbr-bonding-agent-biokil-crown","title":"SBR Bonding Agent - Biokil Crown","description":"\u003ch3\u003eMulti-Purpose Styrene-Butadiene Rubber (SBR) Latex for Bonding, Admixture \u0026amp; Surface Priming\u003c\/h3\u003e\n\u003cp\u003eBiokil Crown SBR Bonding Agent is a high-performance, water-based styrene-butadiene latex admixture used to enhance the performance of cementitious mixes and improve adhesion between surfaces. It is suitable for use as a bonding agent, primer, mortar additive, and waterproofing enhancer in rendering, screeding, and tanking applications. This versatile product increases flexibility, reduces shrinkage, and improves water and chemical resistance.\u003c\/p\u003e\n\u003ch4\u003eKey Features \u0026amp; Benefits\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Bond Strength:\u003c\/strong\u003e Enhances adhesion between cementitious materials and existing substrates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater Resistance:\u003c\/strong\u003e Significantly improves resistance to water and moisture ingress in tanking and waterproofing systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncreased Flexibility:\u003c\/strong\u003e Reduces cracking, shrinkage, and improves resistance to frost and vibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Purpose Use:\u003c\/strong\u003e Suitable for use in renders, screeds, repair mortars, tile adhesives, and slurry primers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal \u0026amp; External Applications:\u003c\/strong\u003e Suitable for a wide range of cement-based construction and refurbishment uses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Details\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Styrene-Butadiene Rubber (SBR) latex admixture\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Milky white liquid\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e 5L and 25L containers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Base:\u003c\/strong\u003e Water-based SBR polymer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Bonding agent, surface primer, or mix additive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoverage:\u003c\/strong\u003e Variable depending on use (typically 6–8m²\/litre as a primer)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTypical Applications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eAs a bonding agent for cement-based screeds and renders\u003c\/li\u003e\n\u003cli\u003eAs a primer before applying tanking slurries or waterproof coatings\u003c\/li\u003e\n\u003cli\u003eAs an admixture for repair mortars to enhance flexibility and durability\u003c\/li\u003e\n\u003cli\u003eTo improve waterproofing performance in damp-proofing applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eApplication Instructions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface Preparation:\u003c\/strong\u003e Ensure surfaces are clean, sound, and free of oil, grease, or loose material.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMixing:\u003c\/strong\u003e For bonding slurry, mix SBR with cement in a 1:1 to 1:2 ratio (by volume). For mortar or screed, replace part of the gauging water with diluted SBR.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePriming:\u003c\/strong\u003e Apply bonding slurry to the prepared surface and lay fresh mortar or render while tacky.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCuring:\u003c\/strong\u003e Protect from rapid drying and frost during the curing period.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4\u003eLimitations\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDo not apply in temperatures below 5°C or to frozen surfaces.\u003c\/li\u003e\n\u003cli\u003eNot suitable for use as a standalone waterproofing system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eHealth \u0026amp; Safety\u003c\/h4\u003e\n\u003cp\u003eWear suitable PPE including gloves and eye protection. Avoid skin and eye contact. Refer to the Safety Data Sheet (SDS) for full health and handling instructions.\u003c\/p\u003e","brand":"DIY Refurb","offers":[{"title":"5kg","offer_id":53341497196882,"sku":"141","price":26.4,"currency_code":"GBP","in_stock":true},{"title":"25kg","offer_id":53341497229650,"sku":"146","price":114.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1060\/4006\/6386\/files\/SBR-Bonding-Agent-Pic.webp?v=1777965897","url":"https:\/\/glazingsuppliesdirect.com\/products\/sbr-bonding-agent-biokil-crown","provider":"Glazing Supplies Direct","version":"1.0","type":"link"}