So how to check the air tightness of glass bottles?
1. Observe whether there are oblique caps, tilted caps, sliding caps and crushed claws on the caps of the glass bottles.
2. Observe whether the cover surface is concave and the safety button is sunken to determine whether there is a vacuum in the glass bottle.
3. Measure the tightening position When measuring, first find the straight seam of the bottleneck on the mouth of the glass bottle, use a ruler to measure the distance between the straight seam of the bottleneck of the glass bottle and the starting edge of the nearest cap claw, which is the tightening position. The measured value taken from the right side of the straight seam of the bottleneck of the glass bottle is a positive value, and the value taken from the left side of the bottleneck of the glass bottle is a negative value. The above is the article on how to check the tightness of the glass bottle mouth brought by the editor, I hope it will be helpful to you
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