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Con-Fume® silica fume is a pozzolanic material used to produce high performance concrete or mortar possessing increased strength, impermeability and durability.

As a supplementary cementing material, Con-Fume meets or exceeds all current ASTM, CSA, and AASHTO specifications for silica fume.

How it Works

Con-Fume silica fume reacts with the hydration products of Portland cement, forming calcium silicate hydrate gel, which enhances strength and durability by consuming the weaker calcium hydroxide.

Product Benefits

• Meets all CSA A3001-13 specifications for a Type SF silica fume supplementary cementing material. • Meets all ASTM C1240-14 specifications for silica fume supplementary cementing material. • Specially developed to provide enhanced bulk material flow and handling characteristics, providing efficient bulk transportation and pneumatic unloading.


Con-Fume is recommended for high performance ready mix, shotcrete and precast concrete applications. • Concrete • Shotcrete • Well Cementing • Repair Products • Refractory & Ceramics
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