天气预报 > 其他 > 如何鉴定羊毛衫的羊毛含量多少
如何鉴定羊毛衫的羊毛含量多少
更新时间: 2020-10-13 00:00:00  

1、看标识,真正的纯羊毛标志产品其永久性标签是统一的,纯羊毛标志下方文字解释为纯新羊毛,若标注为百分之百纯羊毛或纯毛标志直接绣在羊毛衫上,则不是纯正羊毛;

2、感官鉴别法,羊毛产品比较柔软,而且富有弹性,比重大,色泽柔和;

3、燃烧法,羊毛产品燃烧时,会冒烟起泡并燃烧,伴有烧毛发的臭味,灰烬多,有光泽的黑色块状,腈纶产品燃烧时,会熔化并缓慢燃烧,火焰呈白色,明亮有力,略有黑烟,有鱼腥臭味,灰为白色圆球状,脆而易碎,锦纶产品,会熔化并缓慢燃烧,烧时略有白烟,火焰小,呈兰色,有芹菜香味,灰为浅褐色硬块,不易捻碎。

关键词: 如何 鉴定 羊毛衫 羊毛 含量 多少

如何鉴定羊毛衫的羊毛含量多少相关经验

天气预报

最新推荐

页面:/news/view-1675207/ | 耗时:0.6370 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=1675207 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1675207 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1675207 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1087805,1095724,1074870,1060241,1075710,1101115,1069928,1107923,1054136,1094015,1105159,1109671,1086408,1064247,1086394,1064383,993145,1079051,1083103,1073772,1070967,1052849,1041531,1081277,1045805,1086338,1042847,1044426,1053922,1099703) ORDER BY field (ArticleID,1087805,1095724,1074870,1060241,1075710,1101115,1069928,1107923,1054136,1094015,1105159,1109671,1086408,1064247,1086394,1064383,993145,1079051,1083103,1073772,1070967,1052849,1041531,1081277,1045805,1086338,1042847,1044426,1053922,1099703)