IOTA 100F2 Sio2 Nano silica hydrophobic dispersion

Iota 100F series dispersion is a dispersed nano particle liquid. It is a nano product made by reprocessing the collected nano silica. The solid content is 0.5% - 30%. It is divided into hydrophilic nanoparticle dispersion and hydrophobic nanoparticle dispersion.

CAS No.: 10279-57-9 EINECS No.: 238-878-4 Molecular formula: SiO2. X (H2O) Melting point: 1610 ° C (lit.) Boiling point: > 100 ° C (lit.) Density: 2.6 g / ml at 25 ° C (lit.) Refractive index: N20 / D 1.544 (lit.) Storage conditions: 2-8 ° C form tablets (~0.5 g each) 1. Physical properties Appearance: white powder or granular or irregular block. True density: about 2.0g/ml, false density: about 0.2g/ml (ordinary product). High temperature resistance and non combustion; Good electrical insulation. 2. Chemical properties: It can react with caustic soda sio2nh2o + 2naoh = Na2SiO3 + (n + 1) H2O It can react with hydrofluoric acid sio2nh2o + 4HF = SiF4 + (n + 2) H2O 3. Main chemical indexes SiO2 content (dry product) ≥ 90% Sieve residue (4.5) ц m)≤0.5% Heating reduction: 4.0-8.0% Ignition loss: (dry product) ≤ 7.0% PH value: 5.0-8.0 Total copper content: ≤ 30mg / kg Total manganese content: ≤ 50mg / kg Total iron content: ≤ 1000mg / kg DBP absorption value: 2.00-3.50cm/g Specific surface area: there are different ranges for different purposes, generally 145-165m / g (HT2) 165-185m / g (ht1) 200-300m/g(HT3) 3. Main physical properties (with rubber products) Tensile strength ≥ 17.0mpa 500% constant tensile strength ≥ 6.3MPa Breaking elongation ≥ 675%