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What should I do if the glassware is not open to the bottle?

September 15, 2022


When the screw cap of the glassware cannot be opened, bake it near the lid with a hair dryer or a small flame to make it thermally expand, then use it to wrap the lid and unscrew it hard.

1, tapping

Lightly tap the side of the grinding section with a wood chip to loosen it from the shock. For fixed reagent bottles, grinding stoppers of separatory funnels, etc., the stopper and bottle mouth of the instrument can be stuck at the corner of the test bench or wooden table, and then the wood can be tilted slightly. At an angle of approximately 70° to the axis of the instrument. The small button can be opened when the instrument is rotated intermittently, if it is repeatedly operated several times, and the crack is not serious.

2, heating

Some fixed grinding mouths that are inconvenient to tap or tap can heat the outer layer of the fixture to thermally expand and separate from the inner layer. For example, use a hot damp cloth to "heat pack" where it sticks, use a hair dryer or swimming flame to bake the abrasive, etc. One end is fixed on fixed objects such as door and window handles, then turn the rope clockwise around the bottle cap, then pull the other end of the rope tight, hold the bottle with one hand and push it forward to open the bottle cap.

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Author:

Mr. Jarek Yang

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