<section data-role="outer" class="article135" label="edit by 135editor"><section class="_135editor" data-tools="135编辑器" data-id="125166"><section style="margin: 10px 0px;"><section style="display: flex; align-items: flex-end;margin-left: 10px;margin-bottom: -6px;transform: rotate(0deg);-webkit-transform: rotate(0deg);-moz-transform: rotate(0deg);-o-transform: rotate(0deg);"><section style="width: 10px; height: 10px; background-color: rgb(255, 237, 81); overflow: hidden;"></section><section style="width: 14px; height: 14px; background-color: rgb(134, 185, 66); margin-left: 10px; overflow: hidden;"></section></section><section style="display: flex;"><section style="padding: 1em; border: 1px solid rgb(134, 185, 66); box-shadow: rgb(247, 247, 247) 9px 9px 1px; width: 100%; max-width: 100% !important;" data-width="100%"><section style="line-height: 1.75em; color: rgb(51, 51, 51); letter-spacing: 1.5px; text-align: justify;"><section class="135brush" data-autoskip="1"><p style="line-height:1.75em"><span style="color: rgb(0, 0, 0);">纤维靠近火焰时纤维熔缩；接触火焰时纤维熔融、燃烧；离开火焰时纤维熔融燃烧、熔体下落；纤维燃烧时有淡淡的特殊甜味；残留物为浅灰色胶状物。根据燃烧试验方法，聚乳酸纤维同合成纤维特征较为相似，无特殊的表征现象。但聚乳酸纤维离开火焰燃烧时有独特的透明蓝色火焰，其残渣为极少量淡黄色胶状物，有别于涤纶纤维。但是这个表征现象并不十分明显，不能单用此方法确认是否为聚乳酸纤维。</span></p></section></section></section><section class="assistant" style="width: 0px; height: 1px; border-top: 9px solid rgb(255, 255, 255); border-right: 9px solid transparent; margin-top: 9px; overflow: hidden;"></section></section><section style="margin-left: 9px;transform: rotate(0deg);-webkit-transform: rotate(0deg);-moz-transform: rotate(0deg);-o-transform: rotate(0deg);"><section class="assistant" style="width: 0px; height: 1px; border-top: 9px solid rgb(255, 255, 255); border-right: 9px solid transparent; overflow: hidden;"><br></section></section></section></section></section>