The manufacture of Non breathable PE film backsheet can be divided into blown film method and casting method according to different film-making processes; according to different stretching processes, it can be divided into uniaxial stretching method, biaxial stretching method and local stretching method.
Non breathable PE film backsheet Related Knowledge
China has entered the WTO, the big family of international trade. With the opening and expansion of the market, the fierceness of market competition will be fur...