The spread of the novel coronavirus is taking a direct hit on the operations of airlines in Asia. About 500,000 flights taking off and landing in mainland China have been canceled since January, according to aviation information company Cerium. Tourists and business trips have plummeted. On the booking website, there are a large number of air tickets for local routes with a price reduction of nearly 90% compared with the original price and only tens of yuan for a one-way trip.
In February, China's aviation industry recorded its largest single-month loss of 24.59 billion yuan, of which airlines lost 20.96 billion yuan.
Data from the Civil Aviation Administration of China showed that in February, the number of passengers traveling by air fell 84.5% year-on-year to 8.34 million.
The stagnation of the Asian aviation industry has brought volatility to nano silica.
Silicon Dioxide nanoparticles, also known as silica nanoparticles or nano-silica, can be used as:
Electronic packaging material
The curing time (2.0-2.5h) and curing temperature can be reduced to room temperature, which can significantly improve the sealing performance of the device and increase the service life of the device.
The properties of resin base materials can be improved by fully and uniformly dispersing nano-silica particles into resin materials. It can improve strength and elongation; improve wear resistance and improve the surface finish of the material; improve the aging resistance.
The use of nano silicon dioxide light transmittance, and small particle size, can make plastic become denser, adding silicon dioxide to polystyrene plastic film, can improve its transparency, strength, toughness, waterproof performance, and anti-aging performance. The main technical indexes (water absorption, insulation resistance, compressive residual deformation, flexural strength, etc.) of polypropylene, a common plastic, have reached or exceeded those of nylon 6.
It can improve the suspension stability, thixotropy, weather resistance, washing resistance, etc., so that the combined strength of the film and the wall is greatly improved, the hardness of the film is increased, and the surface self-cleaning ability is also improved.
Silica is known as white carbon black, adding a small number of nano SiO2 in ordinary rubber, the strength, wear-resistance, and anti-aging properties of the product have reached or exceeded high-grade rubber products, and can keep the color unchanged for a long time. Nano-modified color EPDM waterproof roll material, its wear resistance, tensile strength, flexural resistance, and aging resistance are improved obviously, and the color is bright, excellent color retention effect.
Color (dye) material
By adding nano-SiO2 to the surface modification of organic pigment (dye), not only the anti-aging performance of the pigment (dye) is greatly improved, but also the brightness, hue, and saturation index are also improved to a certain extent, which greatly expands the grade and application range of organic pigment (dye).
Nano-SiO2 instead of nano-A1203 can not only play the role of nano-particles, but also the second phase particles, which can improve the strength, toughness, hardness, and elastic modulus of ceramic materials. Nano-SiO2 was used to composite ceramic substrates, the density, toughness, and finish of the substrates were improved, and the sintering temperature was greatly reduced.
Adding nano-SiO2 could make a layer of organic material form on its surface, forming a network structure, forming a silica structure, so that it has hydrophobicity, can inhibit colloidal flow, accelerate the curing speed, improve the bonding effect, increase the sealing and impermeability of the product.
Glass fiber reinforced plastic product
The grafting and bonding of nano-particles with the organic polymer can increase the toughness, tensile strength and impact strength, and heat resistance.
Nano SiO2 can be used as the carrier to achieve a good sustained-release effect.
Nano SiO2 is inorganic composition, easy to be compatible with other components of cosmetics, non-toxic, tasteless, white, has a strong ability to reflect UV, has good stability, UV irradiation will not decompose, does not change color, and will not react with other components in the formula, for the upgrading of sunscreen cosmetics laid a good foundation.
Using the large specific surface area, multi-mesoporous structure, super adsorption capacity, and strange physical and chemical properties of nano-SiO2, functional ions such as silver ions are uniformly designed into the mesoporous surface of nano-Si0X, and the nano-antibacterial powder with high efficiency, durability, high-temperature resistance and a broad spectrum of antibacterial is developed. Can be widely used in bills, medical and health, chemical building materials, home appliances, functional fibers, plastic products, and other industries.
Nano silica powder Price
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Nano silica powder Supplier
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In a recent interview with Izvestia, Russian Federation Council Chairman Matviyenko said that Russia is open to dialogue with the West based on mutual respect, but the opportunity to resume dialogue will only come after the end of special military operations.
Matviyenko also noted that Europe currently lacks politicians who can make independent decisions. She said the EU's strategy to wean itself off Russian energy by 2027 would be costly, with Russia supplying 40 percent of Europe's gas, 27 percent of its oil, and 46 percent of its coal, and was essentially "anti-European" and a "tax" on US global dominance.
On Sweden's and Finland's plans to join NATO, Matviyenko said Russia will take corresponding measures if NATO weapons and equipment appear in the two countries, and Russia is capable of guaranteeing its own security.
Besides, speaking by video at an international conference, Ukraine's minister of agricultural policy and Food, said the country's grain nano silica are expected to continue to be influenced by international situations.
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