Author Topic: Aluminum alloy door and window sealing strip  (Read 533 times)

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Offline yx1991Topic starter

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Aluminum alloy door and window sealing strip
« on: April 21, 2021, 03:29:31 AM »


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Generally speaking, some aluminum alloy door and window sealing strips on the market are made of PVC. This is a material that has been eliminated in China, because this different material is not environmentally friendly and can be prone to aging. Nowadays, EPDM sealing tape is popular in the society, which is widely loved by consumers. Due to the relatively high cost of EPDM rubber companies, some black-hearted manufacturers are full of mud and deceive consumers with fakes. At this time, you have to keep your eyes open. How can you distinguish the true cause?


Aluminum alloy door and window sealing strip


1. Judging from the appearance


Observe whether the surface of the rubber strip is smooth and beautiful without jagged marks. Filled with soft PVC sealing strips, the surface is rough, non-bright, and deformed. In summer, whether the contact surface between the aluminum alloy door and window sealing strip and the profile is stained or discolored, yellowing and oily.


2. Judging from the feel


It feels fine, soft, and stretches gently without breaking when you touch it with your hand. It quickly releases the bend and returns to its original shape, and the elasticity is good. Filled PVC has poor sealing strength, cuts and folds, and the thing cracks.


3. Judging from the smell


The high-quality sealant strip is made of an EPDM rubber material. The nose smells, and there is no peculiar smell, green development, environmental protection, and pollution-free. Inferior sealant strips not only have a strong peculiar smell, but also have strong irritation and are harmful to the human body. This affects the sealant strips will quickly become hard and brittle, and cannot really achieve the effect of improving the sealing.


 

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