The seal is good, and it is easy to tear when using. Pay attention to problems and transportation storage.
1. The mouth of the bottle should be kept clean, and there should be no water, oil and other substances;
2. The mouth of the bottle should be a complete plane, and there should be no unevenness, gaps, burrs, etc.;
3. Tighten the bottom of the bottle cap to the mouth of the bottle, and the gap should be zero;
4. The sealing layer should be kept clean and not polluted;
5. Avoid direct exposure to sunlight, the storage temperature should not be too high, and the product should not be directly ventilated;
6. The degree of sealing depends on factors such as pressure, temperature and time.
