Doors and windows sealing strip Selection Guide

The key to seal windows and doors. The effect of sealing, tape plays a key role.
Commercially used steel doors and windows sealed PVC material is generally modified, which played a key role is added plasticizers, plasticizers are currently relatively stable dioctyl phthalate, dibutyl, but the market higher prices. So some manufacturers to use unjust some cheap stuff instead: waste oil, the rest of the oil refinery base, etc., planted a big risk to future users.
Special Note: in the purchase of steel doors and windows Fixed Length plastic seal  strip should pay attention to the following aspects:
1, with the nose smell is the smell, the normal PVC material a little alcohol taste, very small, almost smell.
2, summer doors and windows sealed contact surface is stained with color profiles, yellow oil leakage.
3, see gravity. The same amount of doors and windows sealed with quality feel to light, contrary to weight. Regular manufacturers generally use a small proportion of calcium carbonate as a filler, some manufacturers are using talcum powder, TSP, to increase the proportion of products. Because when sales are priced by weight.
Inferior steel doors and windows sealed hazards:
1, environmental damage, odor, air pollution.
2, reducing tightness. Poor quality of the sealing strip containing plasticizers or use inferior substitutes, easy to aging winter harden, shrink. A gap between the glass and profiles, resulting in leakage, leakage of dust. Many users often find the rainy season layering plastic window parts inside out red liquid, that is between the window glass and the sealing strip steel liner corrosion caused by water entering. Not only greatly reduce the plastic window of the beautiful, but also greatly affect the life of doors and windows.
Although the proportion of small container security seals doors and windows, but the effect can not be discounted. Inferior seal doors and windows not only environmentally friendly, containing the odor, your body will cause harm, pollute the air.