?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> ~nU管的采购要?- 诸暨市欢乐塑料制品有限公?/title> <meta name="keywords" content=""> <link rel="stylesheet" type="text/css" href="/template/NEST15013/css/style.css" /> <script src="/template/NEST15013/js/jquery.js" type="text/javascript"></script> <script type="text/javascript"> $(function(){ $('.SMnav1 li').hover(function(){ $(this).find('dl').show(); }, function(){ $(this).find('dl').hide(); }) }) </script> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> </head> <body> <a href="http://www.tongaportabebe.com/">日本一丰满一BBW</a> <div style="position:fixed;left:-9000px;top:-9000px;"></div> <div class="SMheader"> <div class="top_t"> <div class="top_in"> <div class="topnav1">诸暨市欢乐塑料制品有限公ؓ您免Ҏ?a href="/">宝塔U管</a>?a href="/supply/">~nU管哪家?/a>?a href="/news/">U管厂家批发</a>{相关信息发布和最新资讯,敬请xQ?/div> <div class="lc"> <script 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<span style="font-size:14px;line-height:2;">下面Ƣ乐塑料<b><a href="http://www.tongaportabebe.com/" target="_blank" style="font-weight:bold">宝塔U管</a></b>Q?b>~n<a href="http://www.tongaportabebe.com/supply/15.html" target="_blank">U管</a></b>Q?b>U管厂家</b>来讲讲常?a href="http://www.tongaportabebe.com/" target="_blank" style="font-weight:bold">~nU管</a>的采购关键:</span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">1、缝U线按原来的hl部标准光规定Q在18000转的情况下,上部跛_<20丝,中部<18丝,下部<15丝;不然属不合格品;试锭不得有麻手,不得有摇头现象?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">2、选用有较高冲d度与耐性的ABS或许PC原料。ABS与PP。PP原料的缝U线较ABS原料h底,重量M些。用寿命ABS较长?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">3、缝U线须是匀质,假如l筒的原料本n不匀会Ş成方向性的d力,形成跳管?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">4、芯子与锭子l合l致Q直接关pd{管与锭子的握持力。主要可Ҏ每支{管锭位是否l一判断其统一性?</span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">如何区别所选缝U线的材料呢?除了燃烧鉴别Ҏq可以将{管?0cm左右高度向下坠落Q硬质地板,如水泥地、瓷转)Q假如是PPQ声响ؓ闷声Q而ABS摔落在地面的声响为十分洪亮。从表面看,ABS原料的筒亮度较PP材料高。缝U线采购注意筒的底部内侧有无~短孔,因壁厚较厚,底部内侧会有一些羃短的痕迹Q但假如~量太多Q便是不合格的品。因有些厂家没有质量意识Q生产的时分会将速度调得很快Q及注塑出模后随意堆U,会Ş成缝U线的变Ş、曲折。特别是原料的筒,假如曲折度过大便是不合适的产品?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;"><img style="max-width:100%;" src="/uploads/image/20171107/20171107133505_6038.jpg" alt="" /><br /> </span> </p> <p style="text-indent:2em;"> <br /> </p> <p style="text-indent:2em;"> <br /> </p></p> </div> <div class="newArtiNext mt10"><div>上一?<a href="179.html">染色的优势</a></div> <div>下一?<a href="177.html">~nU管教你~nU的_细怎么?/a></div> </div> <div class="tag">相关标签Q?a href='/key.aspx?k=%e7%bc%9d%e7%ba%ab%e7%ba%bf%e7%ae%a1'>~nU管</a>,</div> </div> <div class="crumb"> <span class="fl font_w fs18">相关新闻</span> </div> <div class="insNews clearfix pt10 fs14 font_w"> <ul> <li><a href="/news/273.html">~nU管厂家讲讲~nU是怎样生出来?/a><span>2022-02-23</span></li> 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