Graphite
China's crystalline graphite reserves are 30.85 million tons, and cryptocrystalline graphite reserves are 13.58 million tons. China's reserves account for more than 70% of the world's total. China's graphite reserves are widely distributed. Heilongjiang has recoverable reserves of 22 million tons. The recoverable reserves are 12 million tons.
Graphite is mainly used in the production of refractory materials, conductive materials, wear-resistant materials, lubricants, high temperature sealing materials, corrosion resistant materials, thermal insulation materials, adsorption materials, friction materials and radiation protection materials. These materials are widely used in metallurgy. Petrochemical, machinery industry, electronics industry, nuclear industry, national defense, etc.
2. Quartz
China's quartz is mainly distributed in Qinghai, Liaoning, Anhui, Shaanxi and so on. The reserves of quartzite for Qinghai metallurgy are 289 million tons. Fengyang County of Anhui Province is the “100 billion yuan silicon industry base†in the national key plan. The prospective reserves are more than 10 billion tons and the content is over 99%.
Quartz is mainly used in the military and aerospace fields, and is mainly used in the fields of semiconductors and communications.
3. Diatomaceous earth
China's diatomite resources are very rich, mainly distributed in Jilin (more than half), Zhejiang, Yunnan and Other places. Now it has proven reserves of 354, with reserves of 385 million tons and prospective reserves of 2 billion tons. second.
The fields of application of diatomaceous earth are: filter aids, porous ceramics, adsorbent materials, and catalytic carriers.
4. Wollastonite
China's wollastonite resources are abundant. The proven reserves are 200 million tons, and the prospective reserves are 320 million tons, ranking first in the world, mainly in Jilin, Heilongjiang, Hebei, Jiangsu, Fujian, Anhui and so on.
The application fields of wollastonite include: ceramic raw materials, plastic reinforcing fillers for asbestos substitutes, metallurgical additives for papermaking fillers, and the like.
5. Bentonite
China's bentonite resources are very rich, in 26 provinces and cities in China, the reserves are the world's first, the initial estimated reserves of about 2.5 billion tons.
The application fields of bentonite are: oil drilling industry, building materials industry, foundry and metallurgical industry, daily chemical industry, food processing, textile and paper industry, paint, ink, lubricant, environmental protection, petrochemical industry, etc.
6. Kaolin
China's kaolin reserves are 291,000 tons, ranking among the top in the world, mainly distributed in Guangdong, Shaanxi, Fujian, Jiangxi, Hunan and Jiangsu provinces, accounting for 84.55% of the country's total reserves.
The application fields of kaolin are: ceramic industry, paper industry, rubber industry, plastics industry, coating industry, refractory materials, etc.
7. Sepiolite
So far, the world's proven reserves of 8 billion tons of sepiolite, Spain's 38 million tons, China's 26 million tons, the two countries together accounted for 80% of the world, China's Xiangtan now has proven reserves For 20 million tons, the prospective reserves can increase by 1 million tons, and the development potential is huge.
Applications of sepiolite include: toothpaste, cosmetics, plastics, sols, polyesters, paints, grease thickeners, asbestos replacement, insulation, insulation, insulation, sound insulation, cigarette filters, feed additives, binders and Carrier, medicine, pesticide carrier, etc.
8. Attapulgite
The world's proven reserves of attapulgite clay, foreign reserves of only 0.4 million tons, accounting for 2.8%, the rest are distributed in China, especially in Jixian County, Jiangsu Province, Mingguang City, Anhui Province, and Baiyin City, Gansu, Linze County has a total proven reserves of 1.39 billion tons.
The application fields of attapulgite include: flame retardant material construction industry, light industry agriculture, animal husbandry, geological exploration, marine drilling, washing auxiliaries, molecular sieve raw material desiccant, cosmetic raw material plastic rubber filler.
9. Mica
The total annual output of Chinese mica is 30,000 tons, accounting for about 10% of the world's total production. The main producing areas are distributed in Xinjiang Altai Muscovite Mine, Inner Mongolia Tuguiwula Muscovite Mine, Sichuan Danba Muscovite Mine, Shaanxi Danfeng Muscovite. Mine, Henan Zhenping gold mica mine and Hebei Quyang Baiyun parent mine.
The application fields of mica include: manufacturing of heat-resistant insulating materials, electron tube feeding sheets for radio industry, punched parts, parts specification sheets and capacitor chips for the aviation industry and capacitor production departments.
10. Talc
China's talc resources are abundant, with reserves of 275,853,500 tons, ranking second in the world. The provinces with large reserves are Liaoning, Shandong, Guangxi, Jiangxi, and Qinghai, accounting for more than 90% of the country.
The application fields of talc are: plastic products, paper coatings, architectural coatings, ultra-pure talc can be used in cosmetics.
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