成人乱人乱一区二区三区_国产精品va在线观看无码不卡_太粗太深了太紧太爽了动态图男男_国产精品户露av在线户外直播_亚洲精品456在线播放

What are the kinds of non-woven handbags? Non-woven bag produced by different materials is also different, consumers can choose the non-woven bag they want according to the actual needs

First: spunbond non-woven bag: it is in the polymer has been extruded and stretched to form a continuous filament, filament laid into a network, fiber network through its own bonding, thermal bonding, chemical bonding or mechanical reinforcement method, vest bag bag making machine to make fiber net into non-woven.

Second: pulp air flow into the net of non-woven bag: also known as dust-free paper, non-woven dry paper. It uses the air flow net technology to open the wood pulp fiberboard into a single fiber state, and then uses the air flow method to make the fiber agglutinate on the net curtain, and then the fiber net is reinforced into cloth.

Third: wet non-woven bag: is placed in the water medium of fiber raw materials loose into a single fiber, at the same time to make different fiber raw materials mixed, made of fiber suspension slurry, suspension slurry transported to the network mechanism, fiber in the wet state into a network and then reinforced into cloth.

So when buying non-woven handbag, you need to judge the type of need according to the demand, and then buy it.