[China Glass Net] Overview of Auto Glass Contact Angle Tester: The water drop angle refers to a droplet on a solid horizontal plane, and the solid-liquid-gas three-phase junction point on the solid, its gas-liquid interface And the angle formed by the two tangents of the solid-liquid interface sandwiching the liquid phase. When the droplet is freely in a space that is not affected by the force field, it is spherical due to the presence of interfacial tension. However, when the droplet is in contact with the solid plane, its final shape depends on the cohesive force inside the droplet and the relative magnitude of the adhesion between the droplet and the solid. When a droplet is placed on a solid plane, the droplet can be automatically spread out in solids or in a certain droplet with the solid.
Automotive glass contact angle measuring instrument method and accuracy:
(1) Droplet method, solid energy estimation, θ/2 method introduction; by moving the curve ruler, left turn after Zui is calculated by the left auto glass contact angle measuring instrument, and right-handed calculating is the right auto glass contact angle measuring instrument .
Introduction to the high volume method; after freezing the picture, click the left and right ends of the drop and the top of the drop with the left mouse button in order. As shown, the results are automatically calculated and displayed. (If you need quick analysis, you can measure directly without freezing the image). If there is an error in the click, you can click the right mouse button to cancel the selection and recalculate.
(2) Note; provide four static contact analysis methods, which can be selected according to different test pictures and usage habits, flexible and convenient.
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