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timber window seals supplier china introduces the quality identification method of seals

timber window seals supplier china introduces the quality identification method of seals

  • Categories:Industry news
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  • Time of issue:2021-10-01
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(Summary description)Smell for any peculiar smell with your nose. Ordinary PVC material will have a little mellow smell, almost invisible.

timber window seals supplier china introduces the quality identification method of seals

(Summary description)Smell for any peculiar smell with your nose. Ordinary PVC material will have a little mellow smell, almost invisible.

  • Categories:Industry news
  • Author:
  • Origin:
  • Time of issue:2021-10-01
  • Views:0
Information

Do you know what the quality identification method of the sealing strip is? Follow the editor of timber window seals supplier china to have a brief look!
1. Use your nose to smell for peculiar smell. Ordinary PVC material will have a little mellow smell, almost invisible.
2. Wrap the sealing strip on the profile as tightly as possible, and place it under high temperature for a period of time (on the roof or in a sunny place) to see if the surface of the profile and the contact surface of the sealing strip are stained or discolored. The surface of the sealing strip Whether the dust is yellow (greasy dirt is easy to absorb the soil), and whether the hands are dirty.


3. Some cheaper sealing strips will have a lot of fillers, so the surface will not be very shiny. It is recommended not to use the cheap ones that do not shine.
4. It depends on the proportion. Many manufacturers have put a lot of effort into the use of fillers. In pursuit of greater output, they use talc, heavy calcium, etc. as fillers. These things greatly increase the proportion of sealing strip products, in fact, the increase in cost is greater than the loss. The sealing strip with heavy calcium is stretched back and forth several times by hand, and a small amount of white powder will appear on the surface.
In summary, the editor of timber window seals supplier china tells: a brief introduction to the relevant knowledge about the quality identification method of the seal.

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