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How to solve the problem of water leakage in the double wall glasses?

Views: 200     Author: Site Editor     Publish Time: 2023-06-25      Origin: Site Inquire

Causes of water leakage in double-layer glass cups

Water leakage in double-layer cups can occur due to various reasons. Here are some common causes:


Damaged or Cracked Inner Layer: If the inner layer of the double-layer cup gets damaged or cracked, it can result in water leakage. The inner layer is responsible for holding the liquid, and any compromise in its integrity can lead to leaks.

Poor Quality Seal or Lid: Double-layer cups typically have a seal or lid to prevent leakage. If the seal or lid is of poor quality or not properly fitted, it can cause water to seep out from the cup.

Wear and Tear: Over time, the materials of the cup may deteriorate due to regular use, exposure to heat, or cleaning. This wear and tear can weaken the cup's structure, leading to leakage.

Improper Assembly: Some double-layer cups have multiple parts that need to be assembled correctly to ensure a watertight seal. If the cup is not assembled properly, it can result in leaks.

Extreme Temperature Changes: Double-layer cups are designed to insulate the liquid inside, but sudden and extreme temperature changes can cause expansion or contraction of the materials. This thermal stress can create gaps or cracks, leading to leakage.

Impact or Rough Handling: Dropping or subjecting the cup to rough handling can cause structural damage, compromising the cup's ability to contain liquid without leaking.

Manufacturing Defects: In some cases, manufacturing defects can lead to water leakage in double-layer cups. These defects can include flaws in the design, poor quality control, or substandard materials.

Solve the problem of water leakage in double-layer cups

Identify the source of leakage: Before attempting any solutions, it's important to determine where the water is leaking from. Inspect the cup carefully to see if there are any cracks, gaps, or damaged areas that may be causing the leak.


Check the seal between the layers: Double-layer cups typically have a vacuum seal between the inner and outer layers. If this seal is compromised, it can result in water leakage. Inspect the seal to ensure it's intact and without any damage. If you notice any gaps or cracks, it may be necessary to replace the cup.


Tighten the lid or cover: If your double-layer cup has a lid or cover, make sure it is tightly secured. Loose lids can cause water to leak out. Ensure that all parts of the lid, such as the silicone gasket or sealing ring, are clean and undamaged. Screw or snap the lid on tightly to create a proper seal.


Avoid overfilling: Double-layer cups often have a maximum fill line indicated. Do not fill the cup beyond this line, as it can cause water to overflow and leak out when the lid is closed. Stick to the recommended capacity to prevent leakage issues.


Handle with care: Rough handling or dropping the cup can lead to damage that may cause leaks. Be gentle when using and cleaning your double-layer cup to minimize the risk of cracks or other structural issues.


Clean and dry thoroughly: Proper cleaning and drying can help maintain the integrity of your double-layer cup. Some leaks may be caused by residue or moisture trapped between the layers. Clean the cup thoroughly, paying attention to any crevices or areas where dirt can accumulate. Ensure it is completely dry before reassembling.

Our production technology can effectively solve this problem:

We use glue imported from Japan for filling. And irradiated with ultraviolet light for 20 minutes. We made the bottom of the double cup as thick as possible and filled the holes with enough glue. We test it in the dishwasher, and after two tests, we pack it.


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