The erhu bow hair should be made into fine horse hair, this is one of the erhu pronunciation, loud, heavy conditions. But the wider world of wonders, commercial profit driven, some people and factory regardless of the doped make false, Yici charge distinctions, weeding is everywhere, the price from tens of dollars to three hundred yuan. A simple erhu bow, so a lot of dead brain cells. There are several cases:

1、以次充优。现代二胡弓子全长83厘米，有效演奏长度65厘米。马尾毛到末端就会细一些，应当剪去，优质弓毛在65厘米范围内粗细基本一至。有的弓子里掺进一部分大约68厘米左右的马尾毛，用胶水粘合，这样，在65厘米范围内，这部分短弓毛有5---10厘米较细，加上有时胶水粘合不牢，演奏中很容易断。另外，将一些特别细和特别粗的马尾毛掺和进来，使弓子质量大大下降。www.cn-horsehair.com

1, in charge and. Modern erhu bow length 83 cm, 65 cm in length and effective performance. Hair to the end will be fine, it should be cut, the quality of the bow hair in the range of 65 cm thick and thin. Some bow in doped into part of about 68 cm horsetail hair, glue, so that in the range of 65 centimeters, this part of the short bow hair has 5 cm is fine, and sometimes glue rickety, playing is easy to break. In addition, some special fine and thick tail hair and mixed in, make a significant decline in the quality of the bow.  www.cn-horsetailhair.com

2、以旧当新。一些等外品的马尾毛，搁置多年后，重新披挂上阵，这种马尾毛很脆，抗拉力很低。

2, to the old when new. Some useless horse hair, after years of use, go into battle again, the horse hair is very brittle, tensile strength is very low.

3、真假混合。弓子的弓毛，一般是180根至200根。有的弓子，只有二分之一或三分之一是马尾毛，其余数量用尼龙丝混在其中。

3, true and false mixed. Bow bow hair, is generally 180 to 200 root root. Some of the bow, only 1/2 or 1/3 is the number of horse hair, nylon silk mixed in.

4、全假。丧尽天良，全部用尼龙丝。这种弓子擦上松香很快就脱落，练习者为了得到较大的声音，拼命用力，从而养成坏习惯，一旦换上真马尾毛弓子，发音粗糙难以入耳。

4, all false. With all the nylon wire be utterly devoid of conscience. The bow rub rosin soon off and practitioners in order to get the big sound, desperately hard so as to develop the bad habits, once change really horsetail hair bow pronunciation rough difficult to ear.

打假还需识别假才行，下面再说怎样识别真假马尾毛：

It also needs to identify fake fake, now how to identify genuine and fake ponytail hair:

1、粗略拉力判断。剪断下来一根已经松弛的弓毛，用两手拉，马尾毛拉到一定力度就断了，尼龙丝要很大力才能断

1, rough pull judgment. Cut down a root have the relaxation of the bow hair, with both hands pull, Mawei mullahs to a certain intensity on the broken, nylon silk to very vigorously to break

2、用打火机烧。马尾毛有烧头发的气味，尼龙丝是塑料气味

2, with a lighter burn. The hair of a horse''s hair is the smell of burning hair.

3、染发剂试验。马尾毛象头发一样能染黑，尼龙丝不能

3, hair dye test. Hair black ponytail mammoth, nylon silk

4、显微镜下观察。马尾毛上有许多小刺，方向斜指毛尾端，尼龙丝光滑

4, under the microscope observation. A lot of horse hair small, oblique direction refers to the hair tail, smooth nylon yarn

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