How to check the tightness of the stopper of glass bottles?
The tightness of the glass bottle stopper is also an important factor to identify the quality of glass bottles.
1, observe whether the glass bottle service facility stopper has a slanted cap, warped cap, slippery tooth cap and crushed cover claws and other conditions.
2、Observe whether the cover surface is concave, safety factor button is dented to establish whether there is a mechanical pump inside the glass bottle.
3, accurate measurement of tightening position accurate measurement at the very beginning of the glass bottle stopper to find the short plate straight seam, using a ruler to measure to the glass bottle short plate straight seam to and it is the nearest cover claw starting edge right in the middle of the interval is the tightening position. The accurate measurement value originates from the right side of the short plate straight seam of the glass bottle is exactly, and the one from the left side of the short plate of the glass bottle is negative.