Concrete air tightness agent is a kind of high-activity concrete air tightness agent made up of high-efficiency water reducing agent and various inorganic materials through optimized combination, which has the characteristics of water reducing, compaction, enhancing concrete strength and anti-seepage mark.
technical characteristics
◆Fineness: < 15%
◆water demand ratio: 85%
◆28 days compressive strength ratio: 110%
◆permeability: < 10-6/h
method of use
◆The dosage range is 8-10% and the water reduction rate can reach 15-18%.
◆This agent adopts the method of dry mixing and directly adds it into the concrete for stirring. The stirring time is 30 seconds longer than that of ordinary concrete. It is advisable to use a mixer for stirring.
◆Strictly control the dosage according to the proportion.
◆The first use of this product, should do concrete test to choose the best effect.
packing and storage
◆The product is double packed with inner plastic film and outer woven bag, net weight is 50kg/ bag.
◆This product should be stored in a dry and ventilated warehouse.
◆It is valid for two years.
