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Method for preserving plastic caps
- Nov 15, 2018 -

The rubber tube used in the chemical experiment and the rubber head on the plastic dropper will stick together for a long time, and the damage may become very viscous, and the treatment cannot be removed, and it can only be thrown away. Is there any good way to save it?

After hardening, it can be soaked in diluted hydrochloric acid for a while to soften. Be sure to dilute it, or it should be easy to leak. When storing it, avoid direct sunlight for a long time. After the experiment, clean it and store it.

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