Overview
RONGJIDA JTX-II architectural coatings Scrub Resistance Tester is a coating scrub resistance testing instrument designed in strict accordance with GB/T9266 standards, mainly used to measure the washing resistance performance of Coating coatings. The instrument adopts a soap-water circulation device with programmable control function and displays the measurement results through a high contrast ratio LCD screen. It has the characteristics of novel structure, simple operation and reliable performance.
Features
1. Using LCD screen, Appearance is novel and beautiful, and the operation is simple and convenient.
2, with programmable control function, reliable performance, stable detection.
3. It has information power-off protection function to ensure the security of data.
4, can determine the coating scruf and anti-abrasion performance.
5, can be tested by brush sponge or other methods of anti-scrubbing ability of architectural coatings surface.
Principle
The instrument uses a motor to drive the brush to scruf back and forth on the surface of the Coating coating at a set scruf Travel and speed. At the same time, the soap-water circulation device provides a continuous washing liquid to simulate the actual cleaning process. The number of scruf times is recorded by a counter, and the coating resistance performance is evaluated based on the damage of the coating in a specific area in the middle of the test plate.
Applications
Coating coating is mainly used to test the surface of the washing performance, can also be used to evaluate paints, Eletroplating, floor, overlay, wood density and other forms of surface performance. Coating plant and Coating research department widely used.
Steps
1, the preparation of the sample, select a uniform substrate and the same coating process.
2. Before use, soak the brush in water at 20 ° C for 30 minutes, then press dry, and then soak it in 0.5% soap solution for 10 minutes.
3. Install the processed test board onto the instrument.
4. Set up and start the instrument to start the washable test.
5. After the test, the coating damage in the 100mm area in the middle of the test plate is used as the basis for the judgment results.
Notice
• When the bristle abrasion is less than 16mm in length, the brush needs to be replaced.
• Preparative samples should be selected with uniform substrates and the same coating process to ensure the accuracy and reproducibility of test data.
• Please soak the brush according to the specifications before use.
• The results are based on the damage of coatings in the 100mm area of the middle length of the test plate.
