Bebel quiet soundproof windows and doors in steel, aluminum, carbon steel, cold thinking steel architectural hardware material extruded into profiles, and then by cutting, made of welded or bolted door window frame fan fitted on the sealant bar tops, hardware, glass, PU, ??suction between cotton, wood panels, steel, asbestos, galvanized iron sheet, and other environmental suck soundproofing materials, as well as enhance the profile of the rigid profiles cavity over a certain length requires adding a steel liner (ribs), the doors and windows made of so called soundproof windows and doors. Consider all the factors that influence the effect of noise for different noise sources, targeted selection of different profiles (in combination with a special process, a product to take full account of the different needs of users emerged. Of Bebel quiet soundproof windows and doors production lighting soundproof windows and doors, can be divided into six windows fill the core noise, the Folded Plate ventilation soundproof windows, outsourcing a variety of structures, open-soundproofed windows and doors, fireproof and soundproof windows and doors according to the user needs a special form, can also be designed to produce, the country has to have considerable strength of the acoustic soundproof windows and doors production processing enterprises and soundproof doors and windows performance testing organizations. soundproof windows and doors in general most of the glass with a thickness of more than 5mm transparent glass (generally old-fashioned glass aluminum windows mostly 3mm thick glass), and the general design usually can accommodate 10mm thick glass installed in 5 ~ 8mm thick transparent glass can be recommended in the general case, if you have special needs (5mm +3 mm) or (5mm +5 mm) Laminated Glass advantage of reducing the heat conduction coefficient of thermal conductivity of 1.8 ~ 3.5W/m2? k significantly lower than the the ordinary aluminum extrusions 140 to 170W/m2? k; the thermal conductivity coefficient of 3.17 ~ 3.59W/m2? k much lower than ordinary aluminum alloy sections 6.69 to 6.84W/m2? k, reduce the heat conduction through the doors and windows. temperature and indoor temperature to prevent surface condensation with insulation strip profiles close, reducing indoor water supersaturated may condense on the surface of the profile . energy-efficient window frames with insulation strips in the winter can reduce the heat loss of the 1/3 through the window frames; during the summer, if in the case of air-conditioned, with insulation strip window frames can be more reduce the loss of energy to protect the environment through the application of the insulation system to reduce energy consumption, while reducing the environmental radiation generated by the air conditioning and heating. wholesome human environment exchange heat depends on the indoor air temperature, air flow rate and outdoor air temperature by adjusting the doors indoor temperature, so as not less than 12 to 13 ° C, have reached the most comfortable environment. reduce noise Bebel static insulated windows can effectively reduce the acoustic resonance effect, to prevent the transmission of sound, noise can be reduced more than 30dB. profiles color can be customized The Bebel static soundproof windows anodized, powder coating surface treatment RAL color than 200 different colors can produce aluminum profiles, insulated aluminum or plastic doors and windows after rolling combination the different colors of the indoor and outdoor color windows. sound through the vibration transmission, doors and windows is by vibrating the sound transmission into the interior, therefore, able to control the vibration of doors and windows, and adjusted as necessary, to achieve the effect of noise. new vibration generated sound, vibration is to stimulate the auditory physical phenomenon occurs when the vibration frequency of 15 to 20,000 Hertz to reach the inner ear, hearing mass law doubles the thickness of the glass, and the corresponding effect of noise increased by 6 decibels. due to the mass law did not consider such resonance phenomenon, and therefore can not be used as a precise calculation.