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第123章 天然桑蚕丝二(1 / 2)

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邓师傅举起布料朝着光线查看光泽,放下布料后,看向徐梓青:“拿张纸撕成碎屑。”

说完两手就开始揉搓布料,过了大概一分钟,示意徐梓青把纸屑撒在布料上,然后稍稍抖动,纸屑就全部掉落在地上了。

邓师傅满意地点点头:“这应该是天然蚕丝。”

“哇,居然是真的。”围着的观众又开始叽叽喳喳地讨论着蚕丝的真假。

林阿姨朝着邓师傅比了比大拇指:“邓师傅,在丝绸上您是这个,不如你跟大家说说天然蚕丝和人造丝有什么区别,我们下次买的时候也能避免被骗。”

“是啊,给大伙说说。”有个老太太也跟着说道:“到冬天大伙都想买蚕丝被,又怕被骗,趁着这机会跟邓师傅好好学学。”

“行,我就跟你们说说。”邓师傅被捧得高兴了,咧着嘴角笑着说道:“先跟你们说说怎么分别天然蚕丝和人造丝吧。”

邓师傅捡起地上的纸屑放到一旁,开始揉搓布料:“先给大家介绍一种最简单的测试方法,那就是测试静电。”

“要知道真蚕丝是不会产生静电的,你就这么揉搓,揉搓个一分钟左右,再把纸屑或头发丝放上去,轻轻一抖纸屑和头发丝就掉下来了。”

“如果有静电,纸屑和头发丝就沾上去了,怎么甩都不会掉。”

说完又把放在旁边的纸屑重新撒到布料上,再提起布料,纸屑就随着布料的倾斜掉落到地上。

邓师傅把布料放回桌上:“还有一种更简单的方式,就是用火烧,天然蚕丝是不易点燃的。”

“就算点燃了,蚕丝在?燃烧时会冒白烟,闻起来有一股毛发烧焦的味道,而且蚕丝?燃烧后的灰末呈松散粉末状。”

“而人造丝则容易燃烧,?燃烧时冒黑烟,还会发出刺激性气味,烧烬后的?灰末呈块状。”

邓师傅说完,围观的群众就看着徐梓青,想让她剪一块来试试,但是又不好开口,毕竟天然蚕丝的布料上千块一米。

徐梓青见状,看了一眼徐絮,转身从包里拿出一把剪刀递给邓师傅:“邓师傅你剪一块来测试给大家看看吧。”

都说了可以测试真伪,徐梓青和徐絮都认为现在就应该不大大方方地剪一块来测试。

要是畏畏缩缩,各种推诿,围观的人还以为她们一起合伙来骗他们。

邓师傅惊讶地看了她一眼,接过剪刀,满脸笑意地说道:“你们这算是真金不怕火炼啊。”

说完就剪了一条两三毫米宽,两节手指长的布料出来,左右看了看,似在找什么东西。

林阿姨见状问道:“邓师傅你在找什么?”

邓师傅到处看了看:“我想找个杯子类的东西拿来烧,就这样点我怕烧着别的东西。”

有个围观的阿姨拿了个小小的酱碟:“我这有,我孙子画画要用这个来调颜料,刚好早上给他买了几个。”

邓师傅拿过小碟子放在桌上,拿起打火机点燃那块小布条。

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