In the heat treatment process, physical tempered glass is prone to visible optical distortion, that is, "refraction" or "stress spot" due to uneven cooling or equipment factors, which not only affects the appearance, but also causes visual fatigue and even misjudgment under specific light, which seriously restricts its application in high-end window, museum showcase, precision instrument window and other fields that require high optical quality. The ion tempering technology developed by Ming dun Company provides a perfect solution to this problem. The ion strengthening process takes place at the molecular level. Through the uniform exchange of sodium ions and potassium ions, gradient strengthening in the depth direction is formed on the entire glass surface, and its stress changes continuously and smoothly. Different from the violent and irregular surface stress distribution caused by the rapid cooling of physical tempering, the compressive stress layer formed by this chemical method is extremely uniform and will not cause the sudden change of the internal refractive index of glass. Therefore, the Ming-dun ion tempered glass has ultra-high mechanical strength, while maintaining a high optical quality comparable to that of the original float glass, with almost no stress spots and no image distortion. This means that designers and engineers no longer need to compromise between "safety" and "beauty and clarity". Ming dun products have successfully achieved the unity of impact penetration resistance and excellent optical transparency, opening up new possibilities for high-end commercial space, art exhibition, optical devices and other fields, making security guards "invisible" in the pure vision.
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In addition to the excellent air pressure self-balancing function, this innovative product of Ming dun also integrates an efficient electric heating system, which constitutes a double protection system for the window of plateau trains. The electric heating device is integrated into the metal frame of the air pressure balance system in a plug-in way, and is connected with the train power supply system through external wires. Its role is crucial. In the cold and humid environment on the plateau, even if the air pressure is balanced, water vapor condensation may still occur in the glass hollow layer due to temperature difference or trace air exchange, which may lead to fogging or frosting of the glass and affect the visual field. The integrated electric heating device can be started as required to gently heat and disperse the moisture entering the glass or existing on the surface of the cavity, so as to ensure the drying of air in the hollow layer and the lasting permeability of the windo
The technical core of self-balanced electric heating insulating glass of Ming dun is embodied in its precision-designed integrated system of molecular sieve and metal frame. The system is not a simple opening, but a complex and reliable functional module. On the inside of the glass, a circle of molecular sieve device is firmly combined with the edge of the glass through high-performance sealant to ensure the reliability of sealing. The metal frame it carries is the essence of the design: the "glass inlet" on the inner side accurately aligns with the hollow layer and is the sensing and adjusting port of the internal air pressure; The "air inlet" on the outside faces the cabin environment and is a channel for introducing external pressure. They are communicated through the internal cavity of the frame, forming a closed-loop pressure exchange path. It is this seemingly small but vital structure that realizes the air matriculation and pressure balance between the interior of the insulating
The air in plateau area is thin, and the air pressure is significantly lower than that in plain area. The window of ordinary train may become a potential danger source due to the pressure difference between inside and outside during operation. The self-balancing electrically heated insulating glass newly developed by Ming dun Company is born to cope with this harsh environment. Its revolutionary design is to make the insulating glass have the ability of "spontaneous breathing and dynamic balance". The controllable conduction between the hollow layer inside the glass and the external environment is realized through the molecular sieve device bonded to the inside of the glass and its special structure frame. When the altitude of the train rises, the external air pressure decreases, and the relatively high air pressure in the glass cavity can "exhale" some air through this channel; On the contrary, when the altitude decreases, it can "inhale" air, and always maintain the dynamic balance o
With the rapid development of rail transit today, the technical challenges brought by the special environment of the plateau can not be ignored. Ming dun Company has successfully developed a breakthrough "self-balanced electrically heated insulating glass" for the potential safety hazard of train windows caused by the drastic change of plateau air pressure, which provides an innovative technical path to solve the pain points in this industry. This product skillfully integrates a circle of molecular sieve device around the inner side of traditional insulating glass, which is firmly bonded to the glass substrate through external sealant. Its core lies in the specially designed metal frame: the inside is provided with a "glass inlet" communicating with the glass hollow layer, and the outside is provided with an "air inlet" communicating with the external environment, thus constructing a controllable and stable air pressure balance channel between the glass cavity and the external atmosphe
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No. 8 Sanhe North Road, Nanhe District Industrial Park, Xingtai City, Hebei Province
+86 153 8309 2012
