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dry diamond diamond stone polishing tools for granite



Side light angle: After observing the vertical details, we expand the scope of observation. Look at the maintenance effect from the perspective of backlight and forward light.

Look directly at the angle of the main light source and look sideways. This angle can be used to test the brightness of the stone, as well as whether there are chicken feet, cracks, scratches and other defects on the surface.

Follow the angle of the main light source and observe sideways. From this perspective, when the light is the strongest, the color and pattern of the stone can be checked.

Next, we will observe the overall effect. Turn on the various light sources. Such as opening doors and windows, turning on lights, etc. On a large scale, observe the overall effect from all angles.

2. Accurate measurement of gloss

Measure the polishing effect of the stone, the visual experience is the most real. However, when stone is applied to the entire decorative environment, the visual experience it brings to people can sometimes not be fully explained by the glossiness, but the overall sense of vision must be paid attention to.

Then accurate measurement is necessary. After all, the color and clarity of the stone have a lot to do with the gloss of the stone after grinding and polishing. Generally speaking, the higher the gloss of the stone, the finer the surface will be optimized.

Nine-point test

Floor requirements: The measurement of gloss is calculated by formula using the 60-degree reflection of light. Therefore, there are requirements for the reflection effect of the ground during the measurement. The ground must be clean, dry and free of water and dust pollution before measurement.

The surface gloss test of stone slabs with specifications larger than (600×600)mm can be applied to the nine-point test method, that is, three measuring points on the four periphery and one measuring point in the center. Add the values and take the average.

This test method is based on the fact that natural stone is a material with uneven distribution of minerals. There are obvious differences in the glossiness of different areas on the same board. Therefore, the calculation is an average value.


In short, gloss, as an important parameter to measure the quality of stone maintenance, is worthy of our attention, but it should also be viewed more objectively. With the progress of stone care technology in our country, our aesthetic level of stone is also improving day by day. For example, some newly-developed stone varieties are indeed difficult to highlight, but the decorative effect is absolutely unparalleled.




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