<section data-role="outer" label="Powered by 135editor.com"><section data-role="paragraph" class="_135editor"><section class="_135editor" data-role="title" data-tools="135编辑器" data-id="111706"><section style="margin: 20px auto;"><section style="display: flex;justify-content: center;"><section><section style="display: flex;justify-content: flex-start;align-items: flex-end;"><section class="assistant" style="width: 35px;"><h1 style="margin-right: 80px; margin-bottom: 20px; margin-left: 80px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 20px; line-height: 24px; color: rgb(47, 45, 45); text-align: center; font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;;"></h1></section></section></section></section></section></section><h1 style="margin-right: 80px; margin-bottom: 20px; margin-left: 80px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 20px; line-height: 24px; color: rgb(47, 45, 45); text-align: center; font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;;"></h1><section class="_135editor" data-tools="135编辑器" data-id="111701"><section style="margin: 20px auto;"><section style="display: flex;justify-content: flex-start;align-items: center;transform: rotate(0deg);-webkit-transform: rotate(0deg);-moz-transform: rotate(0deg);-ms-transform: rotate(0deg);-o-transform: rotate(0deg);"><section class="assistant" style="width: 35px;"><h1 style="margin-right: 80px; margin-bottom: 20px; margin-left: 80px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 20px; line-height: 24px; color: rgb(47, 45, 45); text-align: center; font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;;"></h1><img class="assistant" style="vertical-align: inherit; width: 100%; display: block; max-width: 100% !important;" src="https://image2.135editor.com/cache/remote/aHR0cHM6Ly9tbWJpei5xbG9nby5jbi9tbWJpel9naWYvdm5UNGhiYUxvWDZyUmpkWmliWkpKNHZXT0dJdVA4M3AwN0hxdnBkNFZGakhNMGpxemgyWVppYlRXTnRreUI1TjBHVTFSM05vUFdCTUh0aWNXQXUyWkhsUlEvMD93eF9mbXQ9Z2lm" data-width="100%" draggable="false"></section></section><section style="margin: -20px 15px 0;"><section style="display: flex;justify-content: flex-start;"><section style="width: 30%; height: 7px; background: linear-gradient(to right, rgb(94, 177, 254), rgb(232, 244, 255)); display: flex; justify-content: flex-end; max-width: 30% !important;" data-width="30%"><section style="width: 0px; height: 1px; border-right: 13px solid rgb(255, 255, 255); border-bottom: 10px solid transparent; overflow: hidden;"></section></section></section><section style="border: 1px solid rgb(106, 182, 254); padding: 25px 15px 0px;"><section data-autoskip="1" class="135brush" style="text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; color: rgb(51, 51, 51); background: transparent;"><p style="vertical-align: inherit; line-height: 2em; text-indent: 2em;">马克隆是英文Micronaire的音译，马克隆值是反映棉花纤维线密度与成熟度的综合指标，是棉纤维重要的内在质量指标之一，与棉纤维的使用价值关系密切。棉花纤维的内在品质指标主要有纤维长度、纤维线密度、纤维强度和纤维成熟度。<br><br>　　</p><section class="_135editor" data-role="title" data-tools="135编辑器" data-id="111703"><section style="margin: 20px auto;"><section style="display: flex;justify-content: center;"><section><section class="135brush" data-brushtype="text" style="background: linear-gradient(to top,#feffff,#eaf5ff);color: #4ca8fe;padding: 3px 10px;border-radius: 25px;text-align: center;font-size: 16px;transform: rotate(0deg);-webkit-transform: rotate(0deg);-moz-transform: rotate(0deg);-ms-transform: rotate(0deg);-o-transform: rotate(0deg);">马克隆值的分级</section><section style="transform: translateX(15px);margin: -13px 0 0 0;transform: translateX(15px);-webkit-transform: translateX(15px);-moz-transform: translateX(15px);-ms-transform: translateX(15px);-o-transform: translateX(15px);"><section style="display: flex;justify-content: flex-end;transform: rotate(0deg);-webkit-transform: rotate(0deg);-moz-transform: rotate(0deg);-ms-transform: rotate(0deg);-o-transform: rotate(0deg);"><section class="assistant" style="border-radius: 50%; width: 6px; height: 3px; background-color: rgb(221, 238, 255); overflow: hidden;"></section></section><section class="assistant" style="width: 95px; margin: -10px 0px 0px;"><img class="assistant" style="vertical-align: inherit; width: 100%; display: block; max-width: 100% !important;" src="https://image2.135editor.com/cache/remote/aHR0cHM6Ly9tbWJpei5xbG9nby5jbi9tbWJpel9wbmcvdm5UNGhiYUxvWDZyUmpkWmliWkpKNHZXT0dJdVA4M3AwdzBNaGpIWXkya1d1MWFNMWxNdlgxaWNxVU5rWWVjaWJDNHBOZVpXM0pnaWJsQkNJd0JlNWlhc1hoUS8wP3d4X2ZtdD1wbmc=" hm_fix="285:445" data-width="100%" draggable="false" data-ratio="0.21666666666666667" data-w="180"></section></section></section></section></section></section><p style="vertical-align: inherit; line-height: 2em; text-indent: 2em;">　　马克隆值分为A、B、C三级，B级为标准级。A级取值范围为3.7～4.2，品质最好；B级取值范围为3.5～3.6和4.3～4.9；C级取值范围为3.4及以下和5.0及以上，品质最差。具体测量方法是采用一个气流仪来测定恒定重量的棉花纤维在被压成固定体积后的透气性，并以该刻度数值表示，数值越大，表示棉纤维越粗，成熟度越高。<br><br></p><section class="_135editor" data-role="title" data-tools="135编辑器" data-id="111703"><section style="margin: 20px auto;"><section style="display: flex;justify-content: center;"><section><section class="135brush" data-brushtype="text" style="background: linear-gradient(to top,#feffff,#eaf5ff);color: #4ca8fe;padding: 3px 10px;border-radius: 25px;text-align: center;font-size: 16px;transform: rotate(0deg);-webkit-transform: rotate(0deg);-moz-transform: rotate(0deg);-ms-transform: rotate(0deg);-o-transform: rotate(0deg);">马克隆值与成纱质量的关系</section><section style="transform: translateX(15px);margin: -13px 0 0 0;transform: translateX(15px);-webkit-transform: translateX(15px);-moz-transform: translateX(15px);-ms-transform: translateX(15px);-o-transform: translateX(15px);"><section style="display: flex;justify-content: flex-end;transform: rotate(0deg);-webkit-transform: rotate(0deg);-moz-transform: rotate(0deg);-ms-transform: rotate(0deg);-o-transform: rotate(0deg);"><section class="assistant" style="border-radius: 50%; width: 6px; height: 3px; background-color: rgb(221, 238, 255); overflow: hidden;"></section></section><section class="assistant" style="width: 95px; margin: -10px 0px 0px;"><img class="assistant" style="vertical-align: inherit; width: 100%; display: block; max-width: 100% !important;" src="https://image2.135editor.com/cache/remote/aHR0cHM6Ly9tbWJpei5xbG9nby5jbi9tbWJpel9wbmcvdm5UNGhiYUxvWDZyUmpkWmliWkpKNHZXT0dJdVA4M3AwdzBNaGpIWXkya1d1MWFNMWxNdlgxaWNxVU5rWWVjaWJDNHBOZVpXM0pnaWJsQkNJd0JlNWlhc1hoUS8wP3d4X2ZtdD1wbmc=" data-width="100%" hm_fix="277:449" draggable="false" data-ratio="0.21666666666666667" data-w="180"></section></section></section></section></section></section><p style="vertical-align: inherit; line-height: 2em; text-indent: 2em;">　　马克隆值高的棉纤维能经受机械打击，易清除杂质，成纱条干均匀，外观光洁，疵点少，成品的制成率高。但马克隆值过高，会影响成纱强力。马克隆值过低的棉纤维往往成熟度差，容易产生有害疵点，染色性差。所以只有马克隆值适中的棉花，才能兼顾两方面，获得较全面的经济效益。<br>　　马克隆值与成纱质量的关系，不能一概而论，与成纱纱号的粗细密切相关。粗号纱高马克隆值，纤维成纱质量好；细号纱特别是特细号纱要求比较低马克隆值，成纱质量好；纱号粗单位截面纤维根数多，纤维的强力直接影响成纱强力，纱号细单位截面纤维根数少，纤维的根数直接影响成纱强力。<br>　　马克隆值级是一个线密度指标范围，原来的单位为10&nbsp;g/英寸～6&nbsp;g/英寸，由于测试的不稳定性，现在的马克隆值作为无量纲值处理。<br><br></p><section class="_135editor" data-role="title" data-tools="135编辑器" data-id="111703"><section style="margin: 20px auto;"><section style="display: flex;justify-content: center;"><section><section class="135brush" data-brushtype="text" style="background: linear-gradient(to top,#feffff,#eaf5ff);color: #4ca8fe;padding: 3px 10px;border-radius: 25px;text-align: center;font-size: 16px;transform: rotate(0deg);-webkit-transform: rotate(0deg);-moz-transform: rotate(0deg);-ms-transform: rotate(0deg);-o-transform: rotate(0deg);">马克隆值与纺纱工艺的关系</section><section style="transform: translateX(15px);margin: -13px 0 0 0;transform: translateX(15px);-webkit-transform: translateX(15px);-moz-transform: translateX(15px);-ms-transform: translateX(15px);-o-transform: translateX(15px);"><section style="display: flex;justify-content: flex-end;transform: rotate(0deg);-webkit-transform: rotate(0deg);-moz-transform: rotate(0deg);-ms-transform: rotate(0deg);-o-transform: rotate(0deg);"><section class="assistant" style="border-radius: 50%; width: 6px; height: 3px; background-color: rgb(221, 238, 255); overflow: hidden;"></section></section><section class="assistant" style="width: 95px; margin: -10px 0px 0px;"><img class="assistant" style="vertical-align: inherit; width: 100%; display: block; max-width: 100% !important;" src="https://image2.135editor.com/cache/remote/aHR0cHM6Ly9tbWJpei5xbG9nby5jbi9tbWJpel9wbmcvdm5UNGhiYUxvWDZyUmpkWmliWkpKNHZXT0dJdVA4M3AwdzBNaGpIWXkya1d1MWFNMWxNdlgxaWNxVU5rWWVjaWJDNHBOZVpXM0pnaWJsQkNJd0JlNWlhc1hoUS8wP3d4X2ZtdD1wbmc=" data-width="100%" hm_fix="271:445" draggable="false" data-ratio="0.21666666666666667" data-w="180"></section></section></section></section></section></section><p style="vertical-align: inherit; line-height: 2em; text-indent: 2em;">　　要纺制一定粗细的纱线，使纱线具有一定的强力，以承受工艺中的各种应力，赋予纺织品必要的使用性能，纱线横截面内必需具有一定的最低根数的纤维。所以，粗纤维纺粗支纱，细纤维纺细支纱。在其他条件相同的情况下，纤维越细，成纱强力越高，条干均匀度越好。但是，纤维越细，在加工过程中越容易扭结和折断，容易形成棉结。<br>　　马克隆值是棉花线密度和成熟度的综合反映。因此，它与成纱质量和纺纱工艺都有密切的关系。马克隆值高的棉纤维能经受机械打击，易清除杂质，成纱条干均匀，外观光洁，疵点少，成品的制成率高。但马克隆值过高，会影响成纱强力。马克隆值过低的棉纤维，往往成熟度差，容易产生有害疵点，染色性能差。所以，只有马克隆值适中的棉花，才能兼顾两个方面，获得较全面的经济效果。<br>　　成熟度高的棉纤维强力好，能经受加工和清棉机械打击，易清除杂质，不易产生棉结和索丝，成品制成率高。成熟度差的棉纤维，则容易形成较多的有害疵点，成品制成率也低。成熟度高的棉纤维，成纱强力高，条干均匀度也较好。但过成熟的棉纤维，抱合力差，成纱强力和条干均匀度反而不好。成熟度高的棉纤维，吸色性好、织物染色均匀。<br>　　美国农业部的纺纱试验和中外纺织厂的使用经验均表明，马克隆值低，会产生较多的清钢落棉，纱线外观恶化，但能提高纱线强力和可纺号数，反之，会引起棉纱抱合力的下降，增加棉纱断头，降低了细纱可纺号数，但能降低落棉量，改善纱线外观。<br>　　所以，国际上将马克隆值为3.5～4.9的棉花，作为正常马克隆值棉花。特别是马克隆值在3.7～4.2范围内的棉花，从价格上还要加价。这也就是新标准中，将3.7～4.2马克隆值的棉花定为A级，而3.5以下和5.0以上的定为C级的原因。<br><br></p><section class="_135editor" data-role="title" data-tools="135编辑器" data-id="111703"><section style="margin: 20px auto;"><section style="display: flex;justify-content: center;"><section><section class="135brush" data-brushtype="text" style="background: linear-gradient(to top,#feffff,#eaf5ff);color: #4ca8fe;padding: 3px 10px;border-radius: 25px;text-align: center;font-size: 16px;transform: rotate(0deg);-webkit-transform: rotate(0deg);-moz-transform: rotate(0deg);-ms-transform: rotate(0deg);-o-transform: rotate(0deg);">马克隆值的重要意义</section><section style="transform: translateX(15px);margin: -13px 0 0 0;transform: translateX(15px);-webkit-transform: translateX(15px);-moz-transform: translateX(15px);-ms-transform: translateX(15px);-o-transform: translateX(15px);"><section style="display: flex;justify-content: flex-end;transform: rotate(0deg);-webkit-transform: rotate(0deg);-moz-transform: rotate(0deg);-ms-transform: rotate(0deg);-o-transform: rotate(0deg);"><section class="assistant" style="border-radius: 50%; width: 6px; height: 3px; background-color: rgb(221, 238, 255); overflow: hidden;"></section></section><section class="assistant" style="width: 95px; margin: -10px 0px 0px;"><img class="assistant" style="vertical-align: inherit; width: 100%; display: block; max-width: 100% !important;" src="https://image2.135editor.com/cache/remote/aHR0cHM6Ly9tbWJpei5xbG9nby5jbi9tbWJpel9wbmcvdm5UNGhiYUxvWDZyUmpkWmliWkpKNHZXT0dJdVA4M3AwdzBNaGpIWXkya1d1MWFNMWxNdlgxaWNxVU5rWWVjaWJDNHBOZVpXM0pnaWJsQkNJd0JlNWlhc1hoUS8wP3d4X2ZtdD1wbmc=" data-width="100%" hm_fix="288:444" draggable="false" data-ratio="0.21666666666666667" data-w="180"></section></section></section></section></section></section><p style="vertical-align: inherit; line-height: 2em; text-indent: 2em;">　　马克隆值可为纺织厂配棉提供准确依据，保证优棉优用；按马克隆值指标分等分存，能提高和稳定纱布质量；马克隆值指标在检验中，仪器操作简单，数据明确，具有说服力；马克隆值与成纱质量和纺纱工艺有关，马克隆值适中的棉花成纱强力高，纺纱质量好，布面外观较好，坚实耐穿；在鉴定棉花品级时，加上马克隆值指标，可以减少买卖双方在质量上的纠纷，能有效防止以次充好现象。</p></section><section style="display: flex;justify-content: flex-end;align-items: flex-end;"><section class="assistant" style="width: 35px;"><img class="assistant" style="vertical-align: inherit; width: 100%; display: block; max-width: 100% !important;" src="https://image2.135editor.com/cache/remote/aHR0cHM6Ly9tbWJpei5xbG9nby5jbi9tbWJpel9wbmcvdm5UNGhiYUxvWDZyUmpkWmliWkpKNHZXT0dJdVA4M3AwclpPR1RkM2YzNjZMb21QUHJpYXVXVDJrbUo2c3BSMENUaWJUOGljVVRHeWozRGJuMjB2ejBsMEpRLzA/d3hfZm10PXBuZw==" data-width="100%" draggable="false"></section></section></section><section style="display: flex;justify-content: flex-end;"><section style="width: 30%; height: 7px; background: linear-gradient(to left, rgb(94, 177, 254), rgb(232, 244, 255)); display: flex; justify-content: flex-start; max-width: 30% !important;" data-width="30%"><section style="width: 0px; height: 1px; border-left: 13px solid rgb(255, 255, 255); border-top: 10px solid transparent; overflow: hidden;"></section></section></section></section></section></section><p style="vertical-align:inherit;"><br></p></section><section class="_135editor" data-role="paragraph"><p style="vertical-align:inherit;"><br></p></section><section class="_135editor" data-role="paragraph"><p style="vertical-align:inherit;"><br></p></section></section>