1. The quality of the profile affects the price of UPVC Profile Door & Window
① Look at the appearance of the profile. The high-quality UPVC Profile Door & Window contains anti-aging and anti-ultraviolet chemical components. From the outside, the color should be blue-white (white and green), not white or milky white as we usually think; generally used in the south The profiles are all profiles with a three-cavity structure (with a closed drainage cavity, an isolation cavity, and a reinforcing cavity). The color is too white or gray, indicating that the stable ingredients in the material are not enough, and it is easy to age and turn yellow over time. Medium and low-grade plastic-steel profiles are white and yellowish. Because the profile formula contains more calcium and has poor sun protection ability, it will become more and more yellow after a few years of use until aging, deformation, and brittleness.
② Look at the profile name. Toxic UPVC Profile Door & Window generally uses low-cost lead salt stabilizers as the main raw material, which contains lead and is named "PVC profile"; non-toxic UPVC Profile Door & Window uses non-toxic, non-polluting, and environmentally friendly The thiol organotin T-137 stabilizer is named "UPVC profile".
2. The thickness of the profile affects the price of UPVC Profile Door & Window
For UPVC Profile Door & Window, the window has four thicknesses of 60mm, 80mm, 85mm, and 88mm. The thicker the profile, the higher the price. Generally speaking, 60-thick plastic-steel profiles are suitable for below the sixth floor, and at least 80-thick for above the sixth floor.
3. The thickness of steel lining affects the price of UPVC Profile Door & Window
In order to reinforce the plastic-steel profiles, the UPVC Profile Door & Window should be sandwiched with steel linings, and the steel linings have two thicknesses of 1.2mm and 1.5mm. The national standard is 1.2mm thick, which is enough for ordinary household use.
4. The source of hardware affects the price of UPVC Profile Door & Window
Whether the hardware is imported or domestic is also a major factor in determining the price of doors and windows.
Painted hardware depends on the surface finish and whether the brand logo is clear; stainless steel hardware can be tried with a magnet. If it feels magnetic, then the hardware may rust in a short time.