Share five methods to detect the quality of kraft paper
In the usual kraft paper trading process, many people often worry about the quality of kraft paper, so easy to use, will not lose hair and other issues, however, the use of related equipment inspection is very inconvenient, today, Xiaobian to introduce you to five A commonly used kraft paper detection methods, we hope to have some help.
There are many ways to test the quality of kraft paper, for more than ten years to do the kraft paper industry, it is with their own unique insights, unique detection methods, and even some people just look at what will know what kraft paper, The corresponding price is how much, with the number of grams of kraft paper on the customer is the most favorable and so on.
First of all, we can see the appearance of kraft paper to see whether there is hair loss, powder and other phenomena, which is the most simple way to detect high-quality kraft paper, kraft paper can also be directed against the light, so that light through the kraft paper, if the shadows at no Line and other obvious phenomenon that kraft paper weight is very uniform, basically qualified. At the same time, you can also observe the surface, each kind of kraft paper surface roughness and so are different, hand touch kraft paper at the same time with the sample control, and pay attention to check the paper surface with eye drops and other bad phenomena can also see the quality of kraft paper Good or bad.
Of course, you can also take a few kraft paper out to fold several times, if folded after a very obvious crack that kraft paper is not qualified, and vice versa is qualified, and finally, sampling the measurement of kraft paper weight, but this need to use the test Tools for the job. General kraft paper performance testing According to different varieties of kraft paper, can be from the thickness, tightness, smoothness, stretch, bursting strength, whiteness and other aspects of the quality of kraft paper is qualified.