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Drug carrier:

Fumed silicon dioxide can act as drug carrier. With the current MSW substantial growth and worsening environmental pollution, increase to eliminate the "four evils" of efforts to prevent the spread of disease is very urgent. Brushing the lime tree trunk to spray the trash had little effect, and now cities have adopted the central nervous anesthetic spray insecticides to eliminate mosquitoes, flies, cockroaches and other insect pests, but these pesticides more from foreign imports, higher prices, shorter validity periods (only one month) after spraying. Using fumed silica as the carrier of such pesticide adsorption, played a very good release effect, it was determined that after spraying valid for more than one year.

FRP products:

FRP products, although there are lightweight, high strength, corrosion resistance, etc., but its own low hardness, poor wear resistance. Experts by ultrasonic dispersion method fumed silicon dioxide added to the gel coat resin, and did not add fumed silica gel coat to do performance comparison experiments and found that its Mohs hardness increased from 2.2 (equivalent to the hardness of gypsum) increased to 2.8 to 2.9 (level 3 natural marble hardness), wear resistance increased by 1 to 2 times, the nano particles and organic polymer produced by graft and key cooperation, increase the toughness of the material, so the tensile strength and improve impact strength of more than 1 times, heat resistance is also greatly improved.

 

 

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