Nano silicon dioxide powder / Silica nanopowder / SiO2 Nanoparticles
Product Description
Brief introduction
Product name: Silicon oxide SiO2
Purity: 99%-99.999%
Particle size: 20-30nm, 50nm, 100nm, 45um, 100un, 200um, etc
Type: hydrophilic, hydrophobic
Color: white powder
Bulk Density: <0.10 g/cm3
True Density: 2.4 g/cm3
Ultraviolet Reflectivity:>75%.
Purity: 99%-99.999%
Particle size: 20-30nm, 50nm, 100nm, 45um, 100un, 200um, etc
Type: hydrophilic, hydrophobic
Color: white powder
Bulk Density: <0.10 g/cm3
True Density: 2.4 g/cm3
Ultraviolet Reflectivity:>75%.
Features:
Nano-silica particles according to their structure are divided into two types: P-type (Porous particles ) and S-type (Spherical particles). P-type nano-silica surface contains a number of nano-porous with the pore rate of 0.611ml /g; therefore, P-type has much larger SSA comparing to S-type (See US3440). US3436 is S-type and its SSA is ~170-200m2/g. Further more, P-type ultraviolet reflectivity is >85% , S-type: >75%.
Specificaiton
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Product
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Hydrophilic Silicon dioxide
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CAS No:
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7631-86-9
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Quality
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99.9%min
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Quantity:
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10000.00kg
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Batch no.
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20072506
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Size
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20-30nm
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Date of manufacturing:
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July 25, 2020
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Date of test:
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July 25, 2020
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Test Item
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Standard
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Results
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Appearance
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White powder
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White powder
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Whiteness
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98%
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conformed
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SiO2
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99.9%
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>99.9%
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PH value
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4.5-5.5
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5.0
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BET m2/g
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200+25
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210
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105℃ Loss on drying
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0.5%-1%
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0.6%
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Loss on Ignition
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1%-1.5%
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1.2%
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Particle size
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20-30nm
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20nm
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Package
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20kg/bag
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Conclusion:
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Comply to the enterprise standard
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Test Methods:
1. Transmission electron microscopy (TEM) method, nano-silica particle has small size, narrow particle size distribution.
2. BET method, nano-silica particle has large specific surface area.
3. Infrared spectroscopy method, nano-silica particle exists a large number of hydroxyl groups and unsaturated residual bonds on its surface, and forms the deviation from the steady state of the silicon oxide structure.
4. Cary-5E spectrophotometer testing method, nano-silica particles--high reflectivity to long wave and visible light about UV.
5. Omnisorp100CX surface area and porosity analyzer, P-type nano-silica surface contains a number of nano porous with the pore rate of 0.611ml /g.
2. BET method, nano-silica particle has large specific surface area.
3. Infrared spectroscopy method, nano-silica particle exists a large number of hydroxyl groups and unsaturated residual bonds on its surface, and forms the deviation from the steady state of the silicon oxide structure.
4. Cary-5E spectrophotometer testing method, nano-silica particles--high reflectivity to long wave and visible light about UV.
5. Omnisorp100CX surface area and porosity analyzer, P-type nano-silica surface contains a number of nano porous with the pore rate of 0.611ml /g.
Application:
1 Rubber modified, sealant ceramic toughening modification, adhesives, functional fiber additive, plastic modification, paint aging additives;
2 Ceramics, nano ceramic, composite ceramic substrate;
3 Polymer: can increase the thermal stability and anti-aging polymer;
4 Flame retardant materials and coatings, high grinding medium, cosmetic products;
5 In cluster butyl benzene and chlorinated polyethylene adding a small amount of nano SiO2produce color rubber tenacity,
elongation, strength, flexural performance and ultraviolet resistance and thermal aging performance and achieve or exceed epdm;
6 In traditional coating adding a small amount of nano silicon oxides, good solve the suspension stability, thixotropy and poor, poor finish.
2 Ceramics, nano ceramic, composite ceramic substrate;
3 Polymer: can increase the thermal stability and anti-aging polymer;
4 Flame retardant materials and coatings, high grinding medium, cosmetic products;
5 In cluster butyl benzene and chlorinated polyethylene adding a small amount of nano SiO2produce color rubber tenacity,
elongation, strength, flexural performance and ultraviolet resistance and thermal aging performance and achieve or exceed epdm;
6 In traditional coating adding a small amount of nano silicon oxides, good solve the suspension stability, thixotropy and poor, poor finish.
Certificate：
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