Properties of composites materialsFiber reinforced materials are the most widely used and used in composite materials. It is characterized by small specific gravity, large specific strength and specific modulus.

Activated carbon fiber cloth is a new member of the activated carbon fiber series. It is made of natural fiber cloth or man-made fiber cloth after high temperature carbonization and activation. According to the material, there are two series: viscose base and polyacrylonitrile base. According to the

(1) The overall situation of the air purifier market In 2015, the overall growth rate of China's air purifier market slowed down. This means that competition will become more intense, thereby accelerating the industry reshuffle. Compared with 2014, when both retail sales and retail sales g