How to identify the good or bad of glass fiber
Do not test so many things, as long as open to see the inside of the glass fiber appearance, there is no fluff, stains or concave convex deformation can be, in general these three no problem, you can rest assured that the use of
General identification to measure fiber strength, flexibility, there is no filament phenomenon.What kind of products do you have in mind?,
And the packing has been deformed. Does it affect the fibers inside?If not, you don't have it.
