an important part of doors and windows accessories hardware
The doors and windows sealing joint strip is an important part of doors and windows accessories hardware which cannot be ignored. The gist how to identify the sealing joint strip is the sealing effect. High quality doors and windows sealing joint strip won’t be aging off easily and it also can keep away from moisture, noise wind and heat.
EPDM contains the plasticizer relationship to strip quality
The EPDM is very popular right now but the price is high accordingly. EPDM contains the plasticizer which has the direct relationship to the doors and windows sealing strip quality. Many aluminium tube manufacturers
use the cheap waste oil to replace the plasticizer, which leaves a great hidden danger to the users.
Notes while purchasing the sealing strip
Smell it to see whether it has peculiar smell. The normal PVC material has a little alcohol taste which is hard to aware. Observe whether the interface between sealing strip and profile is defiled and discolored.
The legitimate factories use the light calcium carbonate as the plasticizer. However, some factories use the talcum powder or the coarse whiting to increase the weight of products.
inferior products will do damage to your health and pollute the air
The inferior products not only are not environment- friendly but also the smell they contain will do damage to your health and pollute the air.
These inferior products contain the inferior plasticizer or the replacement which will harden and shrink easily in winter. The gap between glass and profile will lead to water leaking and dust leaking. Many users find that there is red liquid which outflows from plastic window layering during the rainy season. The corrosion not only greatly lowers the beauty of windows but also impacts the service life of doors and windows.