Microsilica NR85D
Microsilica NR85D is a densified dry powder microsilica admixture for Portland cement concrete and mortars.
Microsilica NR85D is a pozzolanic material that consists primarily of fine silicon dioxide particles in a non-crystalline form.
Microsilica NR85D meets the requirements of ASTM C-1240 and contains a minimum of 85% silicon dioxide (SiO2)
Description
Product: Densified Microsilica NR85D ( Densified Silica Fume NR85D)
Densified Bulk density (600-750 kg/m³)
Microsilica properties
Physical State | Ultrafine amorphous powder |
Color | light gray or white |
Solubility(Water) | Insoluble to slightly soluble |
Melting point(℃) | Approx. 1230 |
specific Gravity(g/cm³) | 2.2-2.3 |
Bulk density(kg/m³) | 600-750kg/m³ |
Particle size(μm) | Approx 0.3 |
Packaging & Delivery
10kg soluble paper bags x 96 on the pallets.
25kg soluble paper bags x 40 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.
Advantages
. 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.