document.writeln("
webbing material distinguished by Burning<\/span><\/td><\/tr>

燃烧法<\/SPAN><\/B><\/o:p><\/SPAN><\/B><\/P>

将两种不知类别织带的经纬纱线拆出数根，分别用打火机燃烧，燃烧过程中观察一些物理现象，以确定经纬纱线的原料。燃烧时要分别对火焰、熔化情况及散发出的气味、燃烧后的灰烬的状况进行观察。<\/SPAN> <\/FONT><\/SPAN>　　<\/SPAN><\/o:p><\/SPAN><\/FONT><\/P>

名称<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

燃烧情况<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

燃烧气味<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

烧后灰烬<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

<\/TD><\/TR>

尼龙<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

近焰即熔缩<\/SPAN> <\/FONT><\/SPAN>熔燃<\/SPAN>,<\/FONT><\/SPAN>滴落并起泡<\/SPAN> <\/FONT><\/SPAN>不直接续燃<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

 <\/FONT><\/SPAN><\/SPAN>似芹菜味<\/SPAN><\/o:p><\/SPAN><\/P><\/TD>

硬、圆、轻、棕到灰色<\/SPAN>,<\/FONT><\/SPAN>珠状<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

<\/TD><\/TR>

涤纶<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

近火焰即熔缩<\/SPAN>,<\/FONT><\/SPAN>滴落并起泡<\/SPAN> <\/FONT><\/SPAN>能续燃燃烧时边熔化边冒黑烟，呈黄色火焰<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

散发芳香气味<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

灰烬为黑褐色硬块，用手指可捻碎<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

<\/TD><\/TR>
<\/TD><\/TR>

棉纤维<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

刚近火焰即燃，燃烧迅速，火焰呈黄色，冒蓝烟<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

纸气味<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

有极少粉末灰烬呈黑或灰色<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

<\/TD><\/TR>

麻纤维<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

刚近火焰即燃，燃烧迅速，火焰呈黄色，冒蓝烟<\/SPAN><\/o:p><\/SPAN><\/P><\/TD>

草木灰气味<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

少量灰白色粉末灰烬<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

<\/TD><\/TR>

锦纶<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

近火焰即迅速卷缩熔成白色胶状，在火焰中熔燃滴落并起泡，燃烧无火焰，离开火焰难继续燃烧<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

芹菜味<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

冷后浅褐色熔融物难研碎<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

<\/TD><\/TR>
<\/TD><\/TR>

丙纶<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

近火焰即熔缩，易燃，离火燃烧缓慢并冒黑烟，火焰上端黄色下端蓝色<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

石油味<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

硬圆浅黄褐色颗粒手捻易碎<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

<\/TD><\/TR>

氨纶<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

近火边熔边燃，燃烧时火焰呈蓝色，离开火继续熔燃<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

特殊刺激性臭<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

灰烬为软蓬松黑灰<\/o:p><\/SPAN><\/SPAN><\/P><\/TD>

<\/TD><\/TR><\/TBODY><\/TABLE><\/P><\/td><\/tr>
<\/td><\/tr><\/table>");