English Core performance advantages
1. Excellent sealing: Food-grade silicone material has high elasticity and resilience, which can closely fit the fine gap between the cup lid and the cup mouth, realise long-term airtightness and watertightness, effectively prevent liquid leakage and splashing, and is suitable for a variety of cup types such as thermos cups, straw cups, travel cups, etc.
2. Wide range of temperature resistance: It can withstand extreme temperatures from -40℃ to 230℃. It can not only adapt to the high-temperature environment of boiling water and hot drinks, but also be used in refrigeration and freezing scenarios. It is not easy to deform, age or release harmful substances when exposed to temperature, and has strong stability.
3. Safe, environmentally friendly and non-toxic: Silicone raw materials that meet FDA, LFGB and other international food safety standards are used, do not contain BPA, plasticisers and other harmful chemicals, and have no odour and no migration in direct contact with food. Infant tableware can also be used.
Features of use experience
1. Durable and easy to maintain: excellent anti-ageing and tear resistance, it can still maintain elasticity after repeated opening and closing and cleaning, and the service life far exceeds that of rubber and other materials; it can be directly disassembled, supporting hand washing and dishwasher cleaning, and it is not easy to leave stains and bacteria.
2. Flexible adaptability: Specifications can be customised according to the size of the cup mouth (round, square, etc.), and the softness of silicone makes it compatible with cups with slight size deviations. At the same time, it is convenient to install and can fit tightly without complicated operation.
3. Silent and anti-scratch: soft texture, when the cup lid is closed, it can cushion collisions and reduce "clicking" noise; when in contact with the cup body, it will not scratch the paint surface of the cup mouth or the glass or ceramic surface, protecting the appearance of the cup.
Highlights of added value
1. Multifunctional expansion: Some sealing rings have a built-in exhaust valve design, which can balance the air pressure inside and outside the cup, making it convenient to open and close the thermos cup lid; the special grain design can also enhance anti-slip and prevent the cup lid from slipping accidentally.
Economical and sustainable: As a wearable accessory, replacing the sealing ring alone can extend the service life of the whole cup, and there is no need to discard the whole cup due to sealing failure, which is more in line with the concept of environmental protection and conservation.
FAQ
The problem of sealing performance
Q: After using it for a period of time, the sealing ring is not sealed. What should I do if the liquid leaks?
A: First check whether the sealing ring is deformed, broken or stained on the surface; if it is caused by stains, wash and dry it with warm water + neutral detergent; if it is deformed/ageing, it is necessary to replace the new sealing ring of the same specification.
Q: What is the reason for the leakage of liquid after the new sealing ring is installed?
A: It may be that the specification of the sealing ring does not match the mouth of the cup, or it is not completely stuck in the groove of the cup lid during installation. It is necessary to confirm the specifications and realign the installation.II. Cleanliness and hygiene issues
Q: The dirt in the gap of the sealing ring is not easy to clean up. What can I do?
A: You can use a toothbrush dipped in baking soda or toothpaste to gently brush the gap, or you can soak the sealing ring in warm water + white vinegar solution for 10 minutes before washing.
Q: The sealing ring has a strange smell after long-term use. How to remove it?
A: Brew tea or lemon slices with boiling water, soak the sealing ring for 2-3 hours, and use tea polyphenols or citric acid to absorb odours; you can also expose them to the sun (avoid exposure to the sun for more than 2 hours to prevent ageing).
III. Material and ageing problems
Q: The sealing ring turns white and hard. Is it deteriorated?
A: Whitening may be the "frost spraying" phenomenon of silicone precipitation, which is a normal situation. After cleaning, it does not affect the use; if it becomes hard and cracked, it is ageing failure, and it needs to be replaced in time to avoid the risk of harmful substances.
Q: Can the silicone seal be put into the microwave oven or dishwasher?
A: Food-grade silicone can withstand dishwasher cleaning (select "soft mode"); but it is not recommended to put it directly in the microwave for heating (it is easy to deform when heated separately. When heating with the cup, it is necessary to confirm that the cup itself is suitable for microwave ovens).
IV. Installation and adaptation problems
Q: What should I do if the sealing ring falls off the cup lid and is always displaced after being put back?
A: Before installation, make sure that the groove of the cup lid is dry and clean, align the notch/mark of the sealing ring with the corresponding position of the cup lid, and then press it along the edge with your finger to make it completely embedded in the groove and it can be fixed.
Q: I can't find the sealing ring of the same brand. Can I replace it with other brands?
A: Yes, but you need to measure the outer diameter, inner diameter and thickness of the original sealing ring, and choose a food-grade silicone seal with the same size to avoid affecting the sealing due to size deviation.
