Analyze the test principle and execution standard of the sticky tester
The viscous tester, also known as the viscous tester, is mainly divided into three stations, six stations and ten stations. It is mainly used for pressure-sensitive adhesive tapes, medical patches, and self-adhesive labels. Products such as protective films are tested for adhesion test. The working principle: the test plate with the sample attached is vertically hung on the test frame, the weight of the specified weight is suspended at the lower end, the displacement of the sample is removed after a certain time, or the time when the sample is completely detached is used to characterize the glue. Adhesive tape resists the ability to pull off.
Equipment introduction
Equipment Name: Holding the viscosity tester
Product Keywords: Sticky Tester, Sticky Tester, Tape Viscosity Tester, Durable Adhesive Tester, Tape Tester, Tape Retention Tester, Stickiness Tester
Scope of application: It is suitable for pressure-sensitive adhesive tape, medical patch, self-adhesive label, protective film, plaster, Babu paste and other products for adhesive test.
Calibration
Sticky: holding power
The ability of the adhesive tape to resist displacement when a weight of a predetermined weight is vertically suspended along the longitudinal direction of the pressure-sensitive adhesive tape attached to the adherend.
Use the test piece to move a certain distance or a certain distance to indicate the moving distance.
Features
1. Test boards and test weights designed in strict accordance with the standard to ensure the accuracy of the test data
2. The system is controlled by microcomputer, with PVC operation panel, membrane button and LCD screen, which is convenient for users to quickly test and view data.
3. Six test stations can simultaneously perform multiple test projects
4. Automatic timing, locking and other functions to further ensure high accuracy of test results
5. Automatic printing function
Test principle
The test plate with the adhesive sample is vertically hung on the test frame, the weight of the specified weight is suspended at the lower end, the displacement of the sample is removed after a certain time, or the time when the sample is completely detached is used to characterize the adhesion test. Ability to resist pull
Executive standard
This product is manufactured in accordance with the national standard GB/T4851-1998 of the People's Republic of China. It is suitable for pressure-sensitive adhesive tape and other products for tack test. Working principle: The test plate with the sample attached is vertically hung on the test frame, and the weight of the specified weight is hung on the lower end, and the amount of displacement of the sample after a certain time or the time required for the sample to completely detach from the test is determined. Adhesive tape resists the ability to pull off.
GB 4851 Pressure-sensitive adhesive tape holding test method
Standard Test Method for Shear Viscosity of ASTM D3654 Pressure Sensitive Tape
JIS Z0237 Test method for pressure sensitive adhesive tape and pressure sensitive adhesive sheet
Standard configuration
Main unit, standard pressure roller, test board, micro printer
application:
Basic application adhesive products are suitable for initial tack testing of various adhesive products, such as pressure sensitive tapes, medical patches, self-adhesive labels, protective films, etc.
Working principle: using the A method bevel rolling ball method and the B method chute rolling ball method
1. The A method tests the initial tack of the sample by the adhesion of the adhesive tape to the steel ball through a slight contact between the adhesive surface of the steel ball and the pressure-sensitive adhesive tape sample under a slight pressure. Roll a steel ball over the adhesive surface of the adhesive tape that is placed flat on the inclined plate, and evaluate the initial tackiness according to the maximum steel ball size that can be adhered to the adhesive surface of the specified length.
2. Method B: A steel ball of a specified size is rolled over an inclined groove, and the distance of the initial viscosity is evaluated by measuring the distance it rolls on the adhesive surface of the adhesive tape on the horizontal plate.
Test principle
The test plate with the adhesive sample is vertically hung on the test frame, the weight of the specified weight is suspended at the lower end, the displacement of the sample is removed after a certain time, or the time when the sample is completely detached is used to characterize the adhesion test. The ability to resist pull.
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