Microsilica NR92U is an undensified dry powder microsilica admixture for Portland cement concrete and mortars.
Microsilica NR92U is a pozzolanic material that consists primarily of fine silicon dioxide particles in a non-crystalline form.
Microsilica NR92U meets the requirements of ASTM C-1240 and contains a minimum of 92% silicon dioxide (SiO2)
Product: Undensified Microsilica NR92U ( Undensified Silica Fume NR92U)
Undensified Bulk density (300 kg/m³)
|Physical State||Ultrafine amorphous powder|
|Color||Light to dark gray|
|Solubility(Water)||Insoluble to slightly soluble|
|Melting point(℃)||Approx. 1230|
|Particle size(μm)||Approx 0.3|
Packaging & Delivery
10kg soluble paper bags x 96 on the pallets.
20kg soluble paper bags x 48 on the pallets.
950kg plastic woven bags x 2 on the pallets(with or without bottom output )
1000kg plastic woven bags x 2 on the pallets(with or without bottom output )
We can also customize bags according to your requirement.
. Lowers concrete permeability.
. Significantly increases concrete durability.
. Increases ultimate strength gain.
. Beneficial in all types of high strength concrete applications.
. Improves bond strength to steel.
. Significantly reduces alkali-silica reactivity.
. Provides excellent resistance to sulfate or seawater attack.
. Reduces steel corrosion.
. Improves freeze/thaw durability of concrete.