Cs0.33WO3 particles, namely cesium tungsten bronze heat insulation nano particles, may be first prepared into transparent heat insulation coatings and then applied to produce window heat insulation film for using in building glass. In the production process, a plurality of tests such as adhesion test on the obtained coating is required. So, specifically, how to conduct adhesion testing?
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According to GB/9286-1998 "Method for Measuring Adhesion of Paint Film", on the coating film prepared by Cs0.33WO3 transparent heat-insulating coating, it needs to cut out 6 straight lines that are 90° horizontally and vertically. And the cutting pitch is 1mm. Each line of the grid pattern is cleaned several times. Use 3M tape to stick along a parallel direction of a set of cutting lines, so that the tape is in good contact with each layer of the coating. After waiting for 5 minutes, hold the tape and hang it for a while and remove the tape smoothly within 0.5-1s at an angle of 60°.
