Related DIY Tips & Tricks . Concrete admixtures are natural or manufactured chemicals or additives added during concrete mixing to enhance specific properties of the fresh or hardened concrete, such as workability, durability, or early and final strength. Advantages. Maximum. For those who are designing and engineering the fresh and hardened concrete specifications, Sika provides expert support, from the drawing board to the job site. For the construction of the dam, a wide range of Sika concrete admixtures, anchoring, grouting and waterproofing solutions was applied. Used in shotcrete mixes to improve sticking or as silica fume replacement. For more than one hundred years, Sika has been producing high quality, innovative technologies for concrete. Sika concrete repair mortars are suitable for restoration work, repair of spalling and damaged concrete in all types of structures including buildings, bridges, infrastructure and super-structures. Sika’s first product, appropriately named Sika 1, was a concrete admixture that allowed for the electrification of tunnels in Europe by waterproofing the concrete that lined the interior. The customer requested a class C 60 concrete, pumpable over a long distance with an initial slump of 240 mm, an extended workability of 60 minutes and a slump at casting of 160 mm. Sika Corporation. with Sika® ViscoCrete), using a more economical mix design or achieving sufficient early strength. 1-800-933-SIKA. Sika provides a wide range of concrete admixtures with innovative options for concrete mix design, whether it's for substantially reducing the water content of a mix (e.g. Sika concrete admixtures not only meet high requirements for durability, they fit the trends of modern concrete placing and architecture aspects in combination with ecological requirements. Retarders / Set Controllers. Watertight Concrete. Fast setting. Product Data Sheet Safety Data Sheet … Good adhesion to sound clean substrates (for enhanced adhesion properties use with Sika Latex). Sika's concrete admixtures help you meet the challenges of modern concrete technology and the construction business. Admixture which functions to reduce the amount of water in the concrete mix while still getting the same workability / slump. Read More. Sika's concrete admixtures help you meet the challenges of modern concrete technology and the construction business. Reduces concrete bleed. Ready Mix Concrete. The dilution must be stirred slowly (to ensure a homogeneous, lump free consistency) prior addition into the mortar/concrete mixer. Construction of Ludeke Dam. Find out more with Sika® ViscoCrete), using a more economical mix design or achieving sufficient early strength. Sika is the market leader in concrete admixture technology. Sika MonoTop® FC is a one component, polymer modified, cementitious repair mortar formulated blend of very fine natural aggregates, polymers and colours to dry similar to off-form concrete. We believe that every customer deserves the best product. We welcome the chance to work with specifiers and help design cast-in-place concrete to exceed your expectations – whether it is a high-strength mix or a unique color or finish texture you want to specify. Sika Rep can be used on exterior or interior, horizontal or vertical surfaces. 10 °C: 60 minutes. Good build up. Sika's concrete admixtures help you meet the challenges of modern concrete technology and the construction business. Thanks to Sika’s range of water-reducers for concrete, more than. with Sika® ViscoCrete), using a more economical mix design or achieving sufficient early strength. Minimum. Easy to mix. 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