天天操夜夜操狠狠操婷婷,福利91精品一区二区三区,手机永久免费AV在线播放,绯色一区二区三区免费看,日美女高潮兴奋在线视频

National Hotline 13912026295
[PP industrial yarn production process]
Release date:[2018/2/3] Is reading[1126]次

PP industrial yarn production of one-step and two-step method. PP industrial yarn general production process for the extrusion, stretching and winding. The two-step method has horizontal cluster stretching and vertical single-spindle stretching. The breaking strength of PP industrial yarn can be up to 7.0CN / dtex and the elongation at break can be controlled at about 20%. One-step production of PP industrial yarn fiber breaking strength of 7.0CN / dtex above, elongation at break can be 16% -18%

Keyword:
Copyright (c) 2017 All rights reserved
all rights reserved XUZHOU PRACE CHEMICAL FIBER CO.LTD Technical Support:中國丙綸網(wǎng)
Address:Industrial Zone, Liji Town, Suining County, Xuzhou Tell: 0086-516-88400888 Email:xzhphx@163.com
长治县| 江油市| 宝兴县| 乌什县| 和政县| 庆安县| 仁怀市| 龙州县| 宁乡县| 仙桃市| 阿尔山市| 青铜峡市| 昌宁县| 枞阳县| 甘孜| 恭城| 孙吴县| 玉环县| 曲沃县| 长沙市| 鄢陵县| 丽江市| 柳河县| 周宁县| 垣曲县| 乳源| 瓦房店市| 北票市| 民和| 凤山市| 烟台市| 伊宁市| 松滋市| 赤峰市| 修武县| 绥德县| 隆回县| 宜都市| 航空| 侯马市| 咸阳市|