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Leather friction test machine leather test process -qinsun


The leather friction talcum test machine is suitable for dyed leather, textiles and other materials after friction and the degree of discoloration. It is a type of leather detection instrument. The specific test process is introduced as follows:

1. Fixed the air -regulated sample on the test table and stretching 10%along the friction direction.

a. If the sample cannot be extended by 10%, the sample is stretched to the large extent that allowed extension.

b. If the sample is extended 10%, it cannot be stable during the friction process, and continues to stretch the sample until the sample cannot be extended.

(Note: Record the extension of the sample in the test report)

2. Test the general leather sample, load the traffic block, so that the total weight of the test head is 1000g. The fluffy leather and similar leather (including the positive clothing leather), due to the large friction effect, do not load the lump block during testing, and the total mass of the test header is 500g.

3. Fix the prepared test pad on the test head to make the test head contact horizontally with the leather sample. Select the following frictions: 5, 10, 20, 50, 100, 200, 500.

4. If there is a demand, replace the new testing pads, re -select the number of test times, and test the samples that are not tested or a new sample.

5. Remove the samples and felt pads, change the color changes in the friction area of the sample, the staining of the felt pads as a gray -like card to evaluate the change of leather color and the dirty of the felt pad. Record any visible changes on the surface of the sample (changes in luster, changes in the optical agent, changes in fluff, damage to coating, etc.).

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