How to check the performance of glass rod

Regarding the detection of glass rod performance, the following will explain several testing methods for the main performance of glass rod. The first thing to check is the state of the glass rod in the container. Open the container, stir manually, and allow a small amount of sedimentation at the bottom of the container. Easy to mix after stirring, which can be defined as "no lumps after stirring".

For water resistance, the test glass rod is resistant to water. The test method is to construct the glass rod on the plaster layer, soak the glass rod in distilled water under the specified conditions, 2/3 of the glass rod is immersed in the water, and 1/3 is placed above the water surface. , after soaking for 96 hours, check whether the surface of the glass rod has whitening, loss of gloss, blistering, falling off, etc. If not, the glass rod has passed the water resistance test.
For alkali resistance, the resistance of the Fiber Glass to alkaline substances is tested. The test method is to construct the glass rod on the asbestos board, and soak the glass rod in a certain concentration of alkali solution under the specified conditions. The same as the water resistance test method of the glass rod, 2/3 of the glass rod is in Immerse it in water, and place 1/3 above the water surface. After soaking for 48 hours, observe whether the glass rod has lost its luster, blistered, or fallen off.