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Meltblown cloth is the key material of masks. Meltblown cloth mainly uses polypropylene as the main raw material. Different countries have different standards of the meltblown,and testing method. As key filter material of mask, our meltblown can reach the standard as below: **3-ply surgical mask: European standard: EN 14683 type I / type II / type IIR; American standard: ASTM F2100 level 1/ l...
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To maintain the working efficiency of the melt-blowout machine and reduce the resistance of the melt-blowout cloth as far as possible has become a new issue to be solved by the melt-blowout cloth factory. For example, for a 25g meltblown cloth, single-layer resistance can be controlled below 60pa at a flow rate of 85L/min, double-layer resistance can be controlled below 120pa, single-layer resista...
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ipv6 network supported
