The elasticity of cork combined with its near impermeability makes it suitable as a cork material, especially for wine bottles. Cork makes up about 60% of all cork products. Cork has a nearly zero Poisson's ratio, which means the cork's radius does not change significantly when squeezed or pulled. [

Cork is an impermeable buoyant material, layers of bark tissue, harvested for commercial use primarily from the Quercus suber (cork oak) native to southwestern Europe and northwestern Africa. Cork is made from the hydrophobic substance cork. It is used in a variety of products, the most common of wh

8011 is an aluminum foil series, which belongs to the 8××× series alloy aluminum foil, adding Al-Fe-Si elements. Alloy properties that account for more than 1% of the total alloying elements have corresponding advantages. 8011 is often used to make aluminum foil, its performance is better than pure

Since July 17, heavy rain has occurred in Zhengzhou, Pingdingshan and other places in Henan Province, and heavy rain has occurred in some areas. With the continuous heavy rainfall, Henan Province entered the main flood season. In many areas, there is serious water accumulation, which affects the pro