Product Overview

SikaFume® DS is a highly processed, densified silica fume (microsilica) that functions as both a pozzolanic material and a micro-filler in concrete. When added to concrete mixes, it fills the microscopic voids between cement particles and chemically reacts with calcium hydroxide to produce additional C-S-H (calcium silicate hydrate) binder. The result is concrete with significantly increased compressive strength, dramatically reduced permeability, and enhanced resistance to chlorides, sulphates, and other aggressive agents. SikaFume® DS is the essential admixture for high-performance concrete in marine structures, bridge decks, high-rise foundations, industrial flooring, and infrastructure projects exposed to aggressive environments. Space Arc Engineering supplies SikaFume® DS for critical infrastructure projects across Delhi NCR and Northern India.

Applications

• High-strength concrete for bridge decks and superstructures
• Marine and coastal structure concrete (chloride resistance)
• High-rise building foundations and transfer structures
• Industrial floors requiring high abrasion resistance
• Nuclear and power plant concrete (low permeability)
• Sprayed concrete (shotcrete) applications

Key Advantages

• Dramatically reduces concrete permeability to chlorides and sulphates
• Increases compressive strength by 20–50% over control mixes
• Reduces bleed and segregation in fresh concrete
• Improves bond between aggregate and cement matrix
• Essential for concrete designed to C50 and above
• Reduces long-term chloride-induced reinforcement corrosion