Dimming Glass When the electronically controlled product is turned off, the liquid crystal molecules in the electronically controlled dimming glass will be irregularly scattered, making it impossible for light to enter, giving the electronically controlled glass an opaque appearance; after the power is turned on, the liquid crystal molecules inside In a neat arrangement, light can penetrate freely, and the electronically controlled liquid crystal glass is transparent at this time. What is the method to identify the advantages and disadvantages of dimming glass ? Let's get to know it soon.
How to identify the advantages and disadvantages of dimming glass:
1. The panel consumer may choose to use the corresponding glass panel according to the requirements of the application field on the glass functionalities, such as the use of tempered glass as the dimming glass panel in the fields of public buildings and bathrooms requiring higher safety factors, outdoor curtain wall applications, etc. Customers with high requirements for fire protection may choose to use fire-resistant glass as the panel. Curved glass panels are used where bending is required.
2. The laminated film is used for non-indoor use dimming glass for bathroom partitions and outside curtain walls, doors, windows, etc. It should be asked whether the intermediate film of the dimming glass is an EVA layer sandwich or a PVB layer sandwich. The certificate proves to be using EVA film or PVB film (in order to prevent profiteers from shoddy, and using EVA film to deceive consumers to use PVB film). If PVB film is used, the certificate of origin of the PVB brand should be obtained to judge whether it can be Applied in corresponding fields (friends familiar with the glass industry know the difference between domestic PVB film and imported brand PVB film quality). Laminated glass for curtain wall and outdoor applications generally do not use EVA film as an intermediate film, because EVA is easily yellowed or even delaminated under conditions of sun exposure or high temperature and high humidity; and EVA has poor inherent viscosity, resulting in its Laminated glass products have a lower safety index, such as anti-strike strength, and are generally discarded by curtain wall operators.
3, glass size
The strength of the glass can be judged based on the manufacturer's available glass width. The production of dimming glass membranes is a highly technical and difficult task. The larger the size, the harder it is to produce. Therefore, many domestic manufacturers require that they block splicing for orders that exceed the maximum size of their dimming film. As we all know, for dimming glass, if you use multi-chip glass with narrow width, it is visually ugly. For example, if you can choose a width of 1.4m, do not use two 70cm glass to splicing. Can easily affect the visual appearance and its practicality (When applying a projection screen, multiple glass panels can be spliced ​​in the middle, so it is easy to get a lot of seams in the middle and the perception is poor.). At present, the world's largest size dimming glass can be 1500mm × 3300mm.
4, good light transmission quality Dimming glass light transmittance when power is excellent, clear and transparent, beautiful appearance and transparency and opacity when power is off, can be an excellent protection of privacy. Simple test method: The palm of the hand is placed on the back of the glass. When the power is off, the palm of the back is viewed from the front. Although the blurred back is visible, the fingerprint of the palm must not be seen. Or you can place an object 10cm away from the front glass. If the light is balanced on both sides and it is not a backlight and a strong light, you should not see it from the opposite side. Generally better quality dimming glass transmittance should be above 74%.
5, hollowing fixed If you encounter dimming glass needs to be hollowed out, you should ask the manufacturer in advance to see if you can dig holes, because the general manufacturers or new manufacturers, most of them can not meet the requirements, so ask in advance to see Is there any relevant experience or can it be done to avoid unnecessary troubles and losses?
Xiao Bian concludes: The advantages and disadvantages of dimming glass identification method for everyone to introduce here, the application of dimming glass is increasingly widespread, has gone beyond the application framework of the building materials field, in-depth appliance glass panel and other fields of application, development potential is huge.
How to identify the advantages and disadvantages of dimming glass:
1. The panel consumer may choose to use the corresponding glass panel according to the requirements of the application field on the glass functionalities, such as the use of tempered glass as the dimming glass panel in the fields of public buildings and bathrooms requiring higher safety factors, outdoor curtain wall applications, etc. Customers with high requirements for fire protection may choose to use fire-resistant glass as the panel. Curved glass panels are used where bending is required.
2. The laminated film is used for non-indoor use dimming glass for bathroom partitions and outside curtain walls, doors, windows, etc. It should be asked whether the intermediate film of the dimming glass is an EVA layer sandwich or a PVB layer sandwich. The certificate proves to be using EVA film or PVB film (in order to prevent profiteers from shoddy, and using EVA film to deceive consumers to use PVB film). If PVB film is used, the certificate of origin of the PVB brand should be obtained to judge whether it can be Applied in corresponding fields (friends familiar with the glass industry know the difference between domestic PVB film and imported brand PVB film quality). Laminated glass for curtain wall and outdoor applications generally do not use EVA film as an intermediate film, because EVA is easily yellowed or even delaminated under conditions of sun exposure or high temperature and high humidity; and EVA has poor inherent viscosity, resulting in its Laminated glass products have a lower safety index, such as anti-strike strength, and are generally discarded by curtain wall operators.
3, glass size
The strength of the glass can be judged based on the manufacturer's available glass width. The production of dimming glass membranes is a highly technical and difficult task. The larger the size, the harder it is to produce. Therefore, many domestic manufacturers require that they block splicing for orders that exceed the maximum size of their dimming film. As we all know, for dimming glass, if you use multi-chip glass with narrow width, it is visually ugly. For example, if you can choose a width of 1.4m, do not use two 70cm glass to splicing. Can easily affect the visual appearance and its practicality (When applying a projection screen, multiple glass panels can be spliced ​​in the middle, so it is easy to get a lot of seams in the middle and the perception is poor.). At present, the world's largest size dimming glass can be 1500mm × 3300mm.
4, good light transmission quality Dimming glass light transmittance when power is excellent, clear and transparent, beautiful appearance and transparency and opacity when power is off, can be an excellent protection of privacy. Simple test method: The palm of the hand is placed on the back of the glass. When the power is off, the palm of the back is viewed from the front. Although the blurred back is visible, the fingerprint of the palm must not be seen. Or you can place an object 10cm away from the front glass. If the light is balanced on both sides and it is not a backlight and a strong light, you should not see it from the opposite side. Generally better quality dimming glass transmittance should be above 74%.
5, hollowing fixed If you encounter dimming glass needs to be hollowed out, you should ask the manufacturer in advance to see if you can dig holes, because the general manufacturers or new manufacturers, most of them can not meet the requirements, so ask in advance to see Is there any relevant experience or can it be done to avoid unnecessary troubles and losses?
Xiao Bian concludes: The advantages and disadvantages of dimming glass identification method for everyone to introduce here, the application of dimming glass is increasingly widespread, has gone beyond the application framework of the building materials field, in-depth appliance glass panel and other fields of application, development potential is huge.
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