Densified Silica Fume - Powder ■ Areas of Application CHRYSO® DSF can be used to produce concretes with very low ■ Features permeability and high abrasion and chemical resistance. Applications include parking garages, bridge decks, marine structures and any CHRYSO® DSF is a high performance, densified silica fume powder application where improved water tightness and reduced permeability mineral admixture used to produce high performance concretes with are desired. special performance properties including; increased strength, reduced permeability, improved abrasion resistance and increased corrosion Due to its chemical and physical properties CHRYSO® DSF can greatly resistance enhance the strength performance as well as the bonding properties of concrete to which it is added. Higher strengths translate to greater CHRYSO® DSF is an extremely fine, highly reactive pozzolan which design flexibility and more efficient use of space in completed improves concrete performance by two mechanisms. First, the ultra-fine structures. silica fume particles fill voids between the cement particles, physically reducing the concrete’s permeability. Compressive Strength Performance 16000 Secondly, as a highly reactive pozzolan, CHRYSO® DSF chemically reacts with the calcium hydroxide present in the cement paste, forming the 14000 stronger calcium silica hydrate “glue”. This results in improved paste to 12000 CHRYSO®Fluid Optima 203 aggregate bond and higher concrete strengths. 10000 8000 ■ Benefits 6000  Dramatically reduces permeability 4000  Increases resistance to chemical attack Compressive Strength, PSI Strength,Compressive 2000  Increases abrasion/erosion resistance 0  Improves durability 0 5 10 15 Standard PC HRWR  Increases compressive strength CHRYSO® DSF, % Used  Increases flexural strength  Increases bond strength

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