What wood is the thermos bottle made of?
Ancient Egypt, Greece, and Rome were used to make nets, floats, insoles, stoppers, etc.. There were records of cork in the spring and Autumn Period in china.
Thermos bottle cork made of cork cork, cork, commonly known as. The skin product of cork layers very developed species, surface protective tissue of stem and root growth after.
The main production of cork cork tree oak, Quercus variabilis. Usually 20 years or above, more than 20 cm DBH plants can be carried out by first stripping the skin, skin or skin called the primary. After every 10 to 20 years before stripping, the skin that recycled leather, thickness more than 2 cm in.
