The reason why Broken Bridge Aluminum is called Broken Bridge Aluminum Doors and Windows is because of the existence of nylon heat insulation strips. So how much do you know about nylon heat insulation strips. With the development of concept and material industry, building doors and windows have been From the single-glass wooden doors and windows, to single-glass solid-web steel windows, open-web steel windows, aluminum alloy doors and windows, plastic steel doors and windows, and finally evolved to the current situation where multiple energy-saving doors and windows coexist such as broken bridge aluminum doors and windows.

Wooden doors and windows and aluminum-wood doors and windows have good heat insulation and energy saving effects, but because of the high cost of wood, they are mainly used in the high-end market. Aluminum alloy doors and windows have the characteristics of light weight, high strength, good rigidity, corrosion resistance, non-toxicity, excellent fire resistance, large lighting area, good decoration effect, and long service life, so they are widely accepted by the society. But the disadvantage is that the thermal conductivity is relatively large, and the thermal insulation performance is poor. As domestic and foreign aluminum profile manufacturers use "broken bridge thermal insulation aluminum" to make up for the inherent shortcomings of aluminum alloys, new types of broken bridge aluminum doors and windows are gradually being recognized, and the annual growth rate is more than 10%.

The key component of "Broken Bridge Insulation Aluminum Profile" is the "insulation strip" installed by rolling. In a sense, it can be said that the performance of the insulation strip determines the heat insulation and energy saving efficiency of the new type of broken bridge aluminum doors and windows. Generally speaking, the energy conduction of the building is about 1/3 of the wall, about 1/3 of the air convection, and 1/3 of the doors and windows. However, the heat insulation strip, which only accounts for about 4% of the cost of the doors and windows, has a heat insulation effect It accounts for 20%-30% of doors and windows. Therefore, heat insulation strips are not only a key component of broken aluminum alloy doors and windows, but also an important part of energy-saving doors and windows!

To put it simply, thermally insulated broken bridge aluminum doors and windows are based on the traditional aluminum alloy. The original integrated profile is divided into two, and then the two separated parts are connected together by means of mechanical compounding by two thermal insulation strips. The nature of the heat insulation strip determines that it must have high strength and excellent stability at the same time, otherwise it will easily cause doors, windows, curtain walls to break and fall off, and there are major quality and safety hazards, so the material selection and stability of the heat insulation strip Sex is very important. However, due to the sharp increase in raw materials and production costs, the domestic insulation strip market is extremely chaotic. Inferior insulation strips such as PVC strips are mixed with poor quality insulation strips to fish in muddy waters. Even nylon PA66 strips have many kinds of raw materials, as well as new materials and recycled materials. The difference, quality and performance are very different, especially after a period of use and aging, the stability will be greatly reduced, bringing great quality and safety hazards to the product. To

Stability of nylon 66 heat insulation strip

The stability of nylon 66 insulation strips involves two issues: one is the thermal stability of nylon 66 insulation strips, and the other is the light stability of nylon 66 insulation strips. Thermal stability plays a decisive role in ensuring the quality of nylon 66 insulation strips during processing, and light stability has an immeasurable impact on ensuring the long-term safe use of nylon 66 insulation strips.