Free fall mixers are not suitable for SBR mortars; the higher performance forced action paddle type mixers are recommended for more efficient and speedier mixing of the mortars. Why you should Use SBR on Patios and Paving. Remember to always seek further advice/guidance from board manufacturers. For small quantities a slow speed forget the PVA, completely ,use SBR as per the makers instructions, and use tile primers where recommended by adhesive maker recommendations and in the correct dilutions … I know Wickes sell it in 1lt size - not sure … Coverage: May be applied directly with a brush as a primer, sealer or dust-proofer • Priming the top, back face and edges of plywood: Apply undiluted SBR UNIVERSAL BONDING AGENT • For priming porous concrete and cement: sand screeds dilute 1 part SBR UNIVERSAL BONDNIG AGENT with 4 parts of water by volume The binder SBR (Zeon) was stirred in at the end for 10 min at a low speed of 200 rpm. Plasterboard. Maximum dilution of SBR with the gauging water is 1:4. The mixing was continued for 30 min at 1130 rpm. TILERS PRIMER - SBR ISSUE DATE: TP – 2 / 0319 BONDING AGENT FOR DIFFICULT SURFACES WATER RESISTANT SURFACE SEALER PRIMER FOR POROUS SUBSTRATES ... PRIMER the first as a 1 to 1 part water dilution and the second applied neat with each being … BAL Bond SBR is a multi-purpose bonding and priming agent for both walls and floors. Generally, 5 litres of SBR per 25kg bag of cement in an external render for an area of normal exposure. uses as an admixture, primer, bonding agent and seal-er. Polymer emulsions of this type have been used ex-tensively over the last 20 years by the building in-dustry as an admixture for cement and concrete ap-plications, including repair and renovation, surfacing of floors … Assuming its a chimeny brest that's a couple of meters wide and 2.5 to 3m high, you should have plenty of time to render it in 15 mins. You'll notice improvements in your mortar's adhesion, durability, flexibility, waterproofing and workability. SBR is essential to your work when using certain stone products. Yes, you've understood the instructions correctly. 7 litres of SBR per 25kg bag of cement to give a totally waterproof render. SBR is a versatile product and it would be practically impossible to provide a comprehensive list of all its potential uses in the paving trade, but here are some of those more commonly encountered: As a strengthening agent for concrete surfaces Mix as per Table. Mixing: Add the SBR undiluted to the mix and then adjust the consistency with clean water. Do not use neat SBR as a bonding grout, without adding cement. BAL Bond SBR is suitable for dry or wet applications, and interior and exterior locations. After dry mixing, a premixed 2 wt% CMC (Sunrose, Nippon paper industries) solution was added together with water to adjust the desired dilution of 2.5 wt% in the formulation. 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