• Warm Edge Spacer Introduction

    Why we use warm edge spacer in insulated glass? Insulated glass is made with 2 or 3 panels ,to ensure the long lifetime and good thermal insulation performance,the edges must be sealed strictly to keep the space between glass panels.The spacer’s function are:keep insulated glass structural safety,insulate the IGU internal space. Traditional spacers used in the IGU are usually aluminium spacer,the disadvantage is high thermal conductivity.So when the external panel glass temperature increased during the daytime in summer,or the internal panels temperature…

  • Duralite Superspacer insulated glass supply

    In most cases,the glass U value means the thermal conductivity of the glass center,the lower U value ,the better thermal insulation performance.But for windows and doors,the U value of Windows and doors are decided by several factors, the glass U value, aluminium profile or UPVC/wood  profile U value ,and the glass edge thermal conductivity,Glass edge thermal conductivity plays an important role in deciding the overall windows thermal insulation performance. Most insulated glass use aluminium spacer,stainless steel spacer,and warm edge spacer…

  • Factors affecting window insulation performance

    Factors affecting window insulation performance Windows plays an important role in ensuring a comfortable indoor environment. In cold climates, windows with poor insulation conditions will cause the temperature of the glass surface to decrease rapidly. In order to compensate for the cold air settlement, cold wind and “cold radiation” generated by the low-temperature window surface, it is necessary to take heating measures near the windows. According to the European Energy Standard 10077, the formula for calculating the U value of…

  • Coating types on Building Glass

    Coating types on Building Glass The original function of glass,is just covering, protect the house from rains,snows,winds,With the development of technology,many kinds of coatings are developed to suite different requirement,such as energy saving,thermal insulation,etc.This article will guide you the coating types and the function of coatings. Energy Saving ,thermal insulation coatings The energy consumed by the air conditioners account most building energy consumption.Single piece glass U value reaches 5.8W/,M2.K,.Modern buildings especially high rise commercial buildings require energy saving glass to…

  • How the glass U value been affected by the installation angle?

    How the glass U value been affected by the installation angle? In most projects,glass is installed vertically.With high performance silver low-E coating,the insulated glass on the vertical facade will decrease the solar energy transmitted the glass,and save air conditioner heating and cooling fees. While many architects have designed many unique facades,the facade is not 90° vertically,but with some slopes,and glass is also used in skylight to get more light transmittance.But will the insulated glass thermal insulation performance change in this…

  • FAQ about insulated glass

    FAQ about insulated glass 1.High SC and low SC,which one is better? Glass with different SC are suitable for different climate areas.Higher SC will decrease the heating costs in winter by allowing more solar energy through the glass,this glass suites for long winter areas.Lower SC value will decrease the solar energy and suits for hot areas,such as middle east,Southeast Asia. 2.What’s the feature of low e glass. a.High infrared reflective. b.Low e value,with low capability of absorbing solar energy. c.Various…

  • What’s the thermal conductivity measurement unit?

    What’s the thermal conductivity measurement unit? When evaluating the thermal insulation performance of a glass product,we usually know that clear& tinted single piece glass is 5.84,Single silver low-E insulated glass 1.8,and double silver low-E is 1.55-1.65.The lower the value,the better thermal insulation performance the glass has. But What does the value mean and the measurement unit? Actually the measurement unit is W/M2.k,which means watt/square meter/Kelvin,it’s under same confirmed air condition,the heat transfered throught the glass products. While even this measurement…

  • What’s the function of argon gas in argon filled insulated glass?

    What’s the function of argon gas in argon filled insulated glass? Argon is a kind of inert gas, which has colorless, odorless, non-toxic properties and stability. In air, its content is about 1%, and is the most economical inert gas compared with helium and neon. Argon is usually been filled in the insulated glass to increase the glass thermal insulation performance,let’s take example of single silver low-E + Clear insulated glass, argon content increase from 0-100%,the glass U value decrease…

  • some misunderstanding about glass U value

    some misunderstanding about glass U value Misunderstanding 1: Thicker glass has much better U value than thin glass, laminated glass U value is significantly lower than that of the same thickness glass. For clear float glass, the increase of glass thickness does not increase the insulation performance. For example, thick 12mm clear glass and 5mm clear glass,the thickness and glass weight increased by 1.12 times. but its U value only decreased by 7.59%. The hydrogen-filled insulating glass made of 12mm…

  • Thermal insulation function of low e coating

    In the mid-1970s, it was discovered that most of the heat transfer of double glazing was caused by infrared radiation exchange from one layer of glass to another. Therefore, as long as the emissivity of any one of the double glazing is reduced, the heat transfer can be greatly reduced. This is the reason for LOW-E glass. There is data showing that the clear float glass has an emissivity of 0.84 and the low e coated glass with an emissivity of 0.2 reduces the…

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