concrete additives type b retarding admixture
water-reducing & set-controlling admixtures - National Precast .NATIONAL PRECAST CONCRETE ASSOCIATION . reduce the water-cement ratio while decreasing the use of cement in . Type B – Retarding admixtures.concrete additives type b retarding admixture,concrete additives type b retarding admixture,Types of Chemical Admixtures - The Concrete NetworkDifferent types of chemical admixtures with information on additives that can be . Type A: Water-reducing admixtures; Type B: Retarding admixtures; Type C:.5 Water reducing/retarding admixtures - Imcycmore than 0.1% (solid content of admixture by weight of cement), does not yield much additional effect in reducing the water content. (b) Type, brand and content.