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The reason for the breakdown of the glass fiber tube

Publish Time: 2021-10-19     Origin: Site

High temperature resistant glass fiber casing, the working temperature is as low as -60 degrees and as high as 200 degrees.


Let me briefly introduce the production process of Shunbo's high temperature resistant glass fiber casing.


Knitting (alkali-free glass fiber yarn)---knitting machine (automatic high-speed knitting machine)---unthreading (twist)---coating (oiling---pipe---high pressure degreasing---hair removal )---Rewinding---Packing


After the above process, a glass fiber tube with up to standard performance is truly produced, and every link is indispensable.

So what is the cause of the breakdown of the glass fiber tube?


The operating voltage is too high. For example, the withstand voltage of the glass fiber tube used in some motors must be more than 2.5KV. If you take a 1.5KV glass fiber tube to cover, of course it will be broken down, or the working voltage of the machine is as high as 7KV, then you Use 2.5KV glass fiber tube to use, the possibility of breakdown is 100%.


The operating temperature is too high. The high temperature resistance value of the silicone fiberglass sleeve is 200 degrees. If the working temperature is higher than 200 degrees, it will naturally be broken down. The high temperature resistance value of acrylic acid is 155 degrees, and the same working temperature cannot exceed 155 degrees.


The high pressure resistance value of the glass fiber tube is not up to the standard. If the 2.5KV fiberglass tube has uneven oil or the proportion of oil is wrong, the fiberglass tube produced will be easily broken down locally.

Hebei Yuniu Fiberglass Manufacturing Company Limited is a fiberglass material manufacturer with over 10-year experience, 7- year exporting experience.

We are manufacturer of fiberglass raw materials, Such as fiberglass roving, fiberglass yarn, fiberglass chopped strand mat, fiberglass chopped strands, fiberglass black mat, fiberglass woven roving, fiberglass fabric, fiberglass cloth..And so on.

If any needs, please contact us freely.

We will do our best to help and support you. 


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Our main business: Fiberglass Direct Roving, Fiberglass Spray up Roving, AR-glass Fiberglass Roving, Fiberglass chopped strand mat
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