These forms of lime are quicklime, which is calcium oxide (CaO), and hydrated lime, which is calcium hydroxide (Ca (OH)2). A high calcium, non hydraulic, hydrated lime which conforms to the requirements of BS EN 459-1 'Building Lime'. The product may have possible health and safety hazards covered in these documents. However, for most modern bricklayers and builders, the only exposure they've had to lime products is hydrated lime. Directions: Acid Soils - Apply annually, preferably in September onwards at a rate of 200 -400 gm/sq. Hydrated lime, also known as calcium hydroxide {Ca(OH) 2}, is a refined mineral product.Calcium oxide is stoichiometrically reacted with water in a controlled process to form a hydrated lime product that has the consistency of a fine white powder containing less than 1% residual moisture. Hydrated lime (calcium hydroxide), sold for use by builders, can also be used. Mix for two (2) minutes 5. Add all of the cement 6. Description; Hydrated Lime 25kc (Blue Circle, Rugby, Castle) This can be used both as general purpose mortar and for severe exposure situations. Hydraulic lime sets partly by reaction with water (Hydraulic set) and partly by reaction with air (Carbonation). Blue Circle Hydralime is a hydrated lime used for increased plasticity & cohesiveness in cement, mortars & renders Fine, white, dry powder which lightens and brightens mortars A high calcium, non hydraulic, hydrated lime Makes floating renders and pointing mortars easier Our bulk delivery service requires a minimum order value of £100 across any combination of bulk delivered products. Instead, they react with carbon dioxide from the air in order to harden (carbonation). Hydrated Lime may be used to create traditional cement, lime, sand mixes for mortars and renders. Credit subject to status, UK residents only, Toolstation Ltd, acts as a broker and offers finance from a restricted range of finance providers, PayPal Credit is a trading name of PayPal (Europe) S.à.r.l … Our bulk delivery service requires a minimum order value of £100 (Inc. VAT) across any combination of bulk delivered products. Hydrated lime can be used as a cement replacement in concrete. Add remaining water needed to obtain a workable consistency 8. is useful to substantially increase the stability, impermeability and load-bearing capacity of subgrade. Terms and conditions apply. Blue Circle Hydralime is a hydrated lime used for increased plasticity & cohesiveness in cement, mortars & renders. You can change the quantity in the basket. yard). These can be used for a range of projects, whether it is to create a flat a smooth surface with a compressive strength, preventing water and damp penetration in walls and floors or sealing timber and plaster. Credit subject to status, UK residents only, Toolstation Ltd, acts as a broker and offers finance from a restricted range of finance providers, PayPal Credit is a trading name of PayPal (Europe) S.à.r.l … Supplied in paper bag – store in a dry place. The following steps should be taken to maximize the performance of cement-lime mortars mixed at the jobsite: 1. Its suitable to be used to make lime putty by gradually adding to water, in a clean container, while constantly stirring to form a paste. Set preferred store for Click + Collect and more, Preparation: 1 part Portland cement, 1 part hydralime & 5 to 6 parts sand, Fine, white, dry powder which lightens and brightens mortars, A high calcium, non hydraulic, hydrated lime, Makes floating renders and pointing mortars easier, Hydralime can be used for traditional nominal mixes for mortars and renders in conjunction with standard Portland based cements or in lime-washes without cement. Hydralime is a quality-assured BS EN 459-1 CL 90-S hydrated lime, with independent third party certification and carries CE marking. Wickes has a range of Cement, Mortar, and Aggregate Compounds. This is because they do not react with the water in the mix to form a 'set'. Trade Sign in or apply for trade prices Add To Basket. Learn more It can be used for mortar/pointing/rendering of most masonry types. This amorphous or “free” silica fuses with some of the quicklime to form a clinker, a cementitious compound. Blue Circle mortar is a ready-to-use M4 (or designation iii) 1:1:6 Cement : Hydrated Lime : Sand mortar. CCASTLIM. Health & Safety. The effectiveness (called the ‘Neutralising Value’ (NV)) is expressed as a percentage of the neutralising value of pure calcium oxide (which is caustic so cannot be used). Dates back at least 6,000 years, to the requirements of BS EN 459-1 'Building '! Ancient Egyptians who used lime to 3 1/2 sand ” silica fuses with some of the eyes skin! 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