99.9% Nano Silicon oxide ( dioxide) powder silica SiO2 nanopowder / nanoparticles

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%.

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%.

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.

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.

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Shanghai Epoch Material Co., Ltd. is located in the economic center—Shanghai. We always adhere to “Advanced materials, better life” and committee to the Research and Development of technology, to make it used in human beings’ daily life to make our life more better.

For current time, we have two production factories in Shandong Province. It covers a area of 30,000 square meters, and has workers more than 100 persons, of which 10 persons are senior engineers. We have established a production line suitable for research, pilot test, and mass production, and also established two labs, and one testing center. We test each lot of product before delivery to make sure we provide good quality product to our customer.

We welcome customers from worldwide to visit our factory and establish a good cooperation together!

Our company has passed through the management system of ISO 9001, and we have our own SOP system for production, sales, and after sales service! Hope we could provide a good and professional service for you!

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4)SampleAvailable, we can provide small free samples for quality evaluation purpose!5)Package1kg per bag fpr samples,

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