STORICAL CL90 is pure lime putty made exclusively of calcium hydroxide Ca (OH) 2> 98% totally hydrated. STORICAL CL90 obtained by baking pure limestones in vertical ovens at temperatures below 900°C, long cured, at least 24 months, totally hydrated and classified with the CL 90-S PL mark according to UNI EN 459-1. STORICAL CL90 is free of any impurities such as lime crumbs or lime lumps.
STORICAL CL90 is long cured lime-putty. The properties of plasticity and workability of the lime putty improve with the curing time. STORICAL CL90 is irreplaceable as a binder for the formation of plastering or filling mortars, intonachino plaster finishings, of stuccos for smooth or marble finishes, paintings and whitewashings, and anything else that can be contemplated in decoration or restoration interventions of historical, artistic and monumental heritage interest. The totally mineral and natural nature of STORICAL CL90 combined with a very basic pH makes it an excellent natural protection against bacterial proliferation and the formation of superficial moulds.
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