Test principle and operation steps of Japanese standard rubbing color fastness tester

The Japanese standard rubbing color fastness tester conforms to the Japanese JIS series standards. It is used for the evaluation and determination of the rubbing color fastness of dyed fiber textile products. , Welcome customers in need of inquiries. Applicable standards: JIS L0801-2004 General Principles of Color Fastness Test Methods; JIS L0823, JIS L1006; JIS L1084-2009 Test Methods for Flocked Fabrics; JIS K6328-1999 Test Methods for Rubber Coated Fabrics; JIS P8136 Determination of Abrasion Strength of Paperboard Method; JIS L0849-2004 Type II (Xuezhen type) test method for color fastness to rubbing. Test principle: Test of color fastness to rubbing: install a sample of about 220*30mm on the sample table, and install a white cotton cloth (dry or wet) of about 50*50mm on the front end of each friction head, at 2N Under the load of 100 reciprocating motions at a speed of 30 reciprocating per minute at a distance of 120 mm, then remove the white cotton cloth and compare it with the gray sample card for evaluating staining. Color fastness to organic solvent rubbing test: simulate the color fastness of fabrics when they are washed with organic solvents. During the test, rub the sample with the undyed cotton cloth for rubbing stained with organic solvent using a friction tester in a certain way, and then use the discolored gray card and the stained gray card to evaluate the discoloration of the sample and the staining of the undyed cotton cloth. . Operation steps: Install the sample: first fix one end of the sample with the inner sample holder, and then fix the other end with the front sample holder. In order not to loosen the sample, tighten the sample slightly to fix it. When the specimen is a tensile specimen, it can be fixed on the test bench with double-sided tape. In addition, since it will be difficult to install the sample when the sample stage is stopped at the inside position, you can press the jog button at this time and then move it to the front position of the hand. Install white cotton cloth for friction: lift the friction head bracket and lean on the rear lever. Lay a white cotton cloth on the friction surface (curved surface) and fix it with a square spring clamp on it. Note that no wrinkles can appear on the white cotton at this time. Place the friction head bracket on the sample stage. Please confirm the position of the sample stage at the front of the hand before lowering the friction head bracket. If it is not at the front of the hand, move the inching button to the front of the hand and then put down the friction head. bracket. Turn on the power switch and set the counter times. Press the start button, the machine starts to reciprocate, and stops automatically when the set number of times is reached. To stop the test in the middle of the test, press the stop button. Judging the test results: After the test, judge the white cotton cloth for friction according to 9 pairs of JIS 0801, and compare it with the gray sample card for evaluating staining.

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