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Overview: EPR etheris new complex material of high performance polycarboxylate water reducer, which using JG/T223-2007 and requirement of high performance concrete passager transporttation special line temporary technical conditions. which it canadapttab allkinds og the concrete;s major. Thesuper plasticizer water reduce of material is EPR'sCharacteristics: 1 Excellent adaptability to cement 2Volum is 1.1% EPR's super plasticizer(S/C 22%) is added in concrete,water reducing rate is above 30% 3Improving early strength&strength after 28days Compressive strength 3days≥180 7days≥156 28days≥140 4Has a high durability 5 Low slump loss