The sealing tape of the anti-theft door plays a vital role in the anti-theft door. It should have sound insulation and heat preservation functions. At the same time, it should have high tensile strength, good elasticity, and even better Temperature resistance and aging resistance. At present, the market for anti-theft door seals is generally based on modified PVC, vulcanized EPDM rubber seals and thermoplastic EPDM / PP rubber strips. So, anti-theft door seal what characteristics do? How should anti-theft door seal to buy it? Let Xiaobian to introduce anti-theft door seal features and security door sealing strip shopping tips now !
Characteristics of sealing tape of anti-theft door
1. Modified PVC adhesive strip
The price of modified PVC rubber strips is relatively cheap. Due to the difference in quality, low-end products use waste materials to replace plasticizers and high filling levels, resulting in poor elasticity of the rubber strips, easy to harden, irritating taste, and easy migration. Make the frame material yellow, resulting in a short service life. It is because PVC products contain halogens, and stabilizers contain heavy metals, which is very environmentally friendly. It is because of this that some developed countries and cities have restricted the use of this type of rubber strips.
2. Vulcanized EPDM sealing strip
The vulcanized EPDM sealing strip will be better than the PVC strip in terms of sealing elastic durability, but because of the need for microwave vulcanization line shaping, the processing energy consumption is high, which is more than 20 times the energy consumption of PVC processing. Not only can it not be recycled, but also Not environmentally friendly, therefore, the country does not promote the use of this product.
3. Thermoplastic EPDM sealing strip
Thermoplastic EPDM rubber seal is a new material developed on the basis of imported technology from foreign countries and domestic independent research and development in recent years. Its performance and service life are equal to vulcanized EPDM rubber seal. It does not contain heavy metals such as halogen and lead, and can be recycled, which is in line with the requirements of green building materials.
How to buy anti-theft door sealing tape
1. Tension Test
For the sealing strip material, it should have a certain tensile strength, the standard requirement: strength ≥5Mpa. The higher the rubber content of the same material, the better its pulling force. Generally speaking, the service life will be longer and the sealing effect will be better.
2. Smell the smell
You can smell the smell through the nose to see if there is an odor. The normal PVC material has a little mellow smell, and almost no odor.
3. Put the sealing strip at high temperature, and then tightly wrap it around the profile to see if the contact surface of the profile surface and the sealing strip is stained or discolored, and whether the dust on the surface of the sealing strip turns yellow (oil is easy to absorb soil) ) Oil seepage, whether the hands are dirty or dirty.
4. The price of many seal fillers is relatively cheap, so the surface is not too bright, and not too desirable for those.
These are the characteristics of the security door seal and the entire contents of anti-theft door seal buying tips, and we want to help. If you want to learn more related knowledge in the future, you can continue to pay attention to the relevant information on this website. The editor will bring you more exciting content.
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