Li Shizhong, a professor at Tsinghua University, believes that most media have more publicity for wind power and solar energy, but in fact, biofuels have played an important role in real life, and they can reduce haze and solve environmental pollution problems. Last year, sales of biofuels worldwide were 95.2 billion U.S. dollars, wind power was 73.8 billion U.S. dollars, and photovoltaic power generation was 79.7 billion U.S. dollars. Li Shizhong believes that biofuels are expected to be worth $177.7 billion over ten years, while wind power will be $124.7 billion, and solar and photovoltaic power generation will be $123.7 billion. He disclosed that Tsinghua University is currently developing technology to extract ethanol from sweet sorghum. Sweet sorghum can absorb heavy metals in the soil. The by-product after ethanol extraction is distillers grains. It can also be used as feed and can be used as an ideal crop for replacing biofuels with corn. (Reporter Fan Jingrong)
Hook and loop sanding disc is also a classification of round sanding disc, it is also called self-adhesive sandpaper, which can be glued to the sanding disc tray and very convenient to use
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Compared with Abrasive Fiber Disc , round disc hook and loop also can be a kind of Quick Change Disc , which is more convenient and cost-effective.
We use the high quality sandpaper rolls and total automatic Abrasive Sanding Disc punching machine, so the production ability is very enough and has ready stock.
Round sandpaper has the advantages of anti-clogging, anti-static, good flexibility, and high wear resistance.
Due to its wide range of uses, there are also many varieties of hook and loop sanding disc. The most commonly used are red sanding disc, yellow/gold sanding disc, green sanding disc, and white sanding disc, etc.
The sandpaper disc is using aluminum oxid abrasives, with grits as below: 40#, 60#, 80#, 120#, 180#, 240#, 320#, 400#, 600#, 800#, 1000#, 1200#, 1500#, 2000#.
The abrasive polishing disc can be punched into various shapes, round, round with holes, triangle, rectangle, iron shape, neckline shape, etc.
This product is round abrasive disc size: 100mm, 125mm, 150mm, 180mm, 225mm or other size can be customized.
The holes best selling is with 6 hole, 8 holes, 15 holes, 17 holes or customized.
