How does the rolling ball method of initial viscosity tester operate correctly?

Abstract: How does the rolling ball method initial viscosity tester operate correctly? The information is provided to you by the excellent manufacturers of flowmeters and flowmeters. How does the rolling ball method of initial viscosity tester operate correctly? CNY-1 Initial Adhesion Tester adopts the inclined surface rolling ball method, and the adhesion of adhesive tapes, labels and other products to the steel ball is effected when the steel ball and the adhesive surface of the test sample are in short-term contact with a small pressure. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is how the rolling ball method initial viscosity tester operates correctly? Article details. How does the rolling ball method of initial viscosity tester operate correctly? The CNY-1 initial viscosity tester adopts the inclined surface rolling ball method to test the adhesion of adhesive tapes, labels and other products to the steel ball when the steel ball and the sticky surface of the test sample are in short-term contact with a small pressure. Initially sticky. Roll a steel ball over the sticky surface of the adhesive tape lying flat on the inclined plate, and evaluate the initial stickiness according to the size of the large steel ball that the sticky surface of the specified length can stick to. What is the correct operation process of the initial viscosity tester? The following will give you a detailed introduction. The correct operation process of the rolling ball method initial viscosity tester is as follows: 1. Place the test instrument flat on the test table, and the inclined surface takes a standard angle of 30°°, even if the runway is 30 degrees from the horizontal°horn. 2. According to the regulations, use the adhesive surface of the polyester film to stick it on the glass panel to make a roll-assisting section. No bubbles or wrinkles will be generated when sticking. 3. Fix a test piece with a size of 80mmX100mm, with the adhesive facing up, and fix it from the bottom end of the millimeter grid paper of the glass panel. When fixing, it cannot be warped or bulged. If it bulges at the edge, Then use another adhesive tape to fix this part on the inclined surface. 4. Take out the steel balls of different types stored in the anti-rust solution with tweezers, wipe them repeatedly with a degreased clean cloth dipped in anhydrous analytical pure, and dry them. Place them at the starting point of the track and let them be in the same test piece. Roll down freely through the rolling section, pick out large-sized balls from the various balls that stop in the measuring section (the ball does not move for more than 5 seconds), and prepare for the formal test. 5 During the formal test, take three samples and use a large steel ball to conduct a rolling ball test. If a sample cannot stick to the steel ball, you can use a steel ball one size smaller than it. One test is performed on these three samples, and when the second test is performed on the same sample, the starting position of the steel ball rolling must be adjusted to ensure that the ball rolling path is not in the same position to avoid errors in the test values. If it can't stick, you must re-measure the sample according to the steps of 7.4. If it can stick, take the big ball that can stick for more than 5 seconds as its initial sticking force meter. 6 If the test piece to be tested is thick, the steel ball may bounce on the test piece when it rolls down, which will affect the test result. In this case, we will place the test piece directly below the starting point of the runway for testing, and divide it on the test record sheet. Test results The test results are expressed as the median (ball number) of the steel ball numbers of the rolling ball test results of the three samples during the formal test. Label: Initial Viscosity Tester The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. How does the rolling ball method of initial viscosity tester operate correctly? 》

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