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https://zaf.sika.com/en/construction-chemicalsolutions/concrete-admixtures/concrete-technologies/sika-mortars/sika-plastiment-bv-40.html Sika® Plastiment® BV-40 | Water Reducer & Retarding Admixture Sika® Plastiment® BV-40 is a versatile and economical concrete plasticiser with set retarding properties. water reducerretardingadmixture