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Etymotic 的工程师给的解释:
聚碳酸酯(大概是ER4单元的材料)是一种优良的塑料,通常用于制作汽车前灯等产品。即使用脚踩也不应该会坏(我可不敢试),不过你用车轮轧就不保证了(?)
氰基丙烯酸盐粘合剂产生的气体会破坏单元。
导管口破裂的问题是由于内部过滤器产生的环应力导致的(HOOP STRESS),即使增加导管的厚度,也是无济于事。
整个导管折断是另一方面的问题。这是很少见的情况。建议采用旋转方式取下耳套,海绵套比白耳套更难取些,请小心使用。
Don Wilson
Etymotic Research
原文:
Lexan is a good plastic that is used for stuff like headlights. I don't think you can damage the device by steping on it. Driving over it with a car seems to be a stupid requirement.
Cyanoacrylate fumes can damage the transducer.
The crack from the filter is caused from the inside out by the filter. It is called hoop stress, and it wouldn't matter if the wall thickness of the plastic was so thick it no longer fit in your ear.
Snapping off the whole stem is another story. This is more rare, and is normally very difficlut to do. I recommend you rotate the eartip some as you remove it. The PVC tube inside the foam eartip sometimes takes a set and is more difficult to remove than the white eartips.
Don Wilson
Etymotic Research |
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