Building glass film how to distinguish the performance of architectural glass film performance?
Architectural glass film after several generations, from the dyeing film to today's magnetron sputtering multi-layer metal film, a wide range of different performance, then the architectural glass film performance is divided into light transmittance, UV blocking rate, infrared reflectance Heat rate) several major indicators. UV destruction of the strongest, but because of the shortest wavelength, most of the architectural glass film can reach more than 98% of the blocking rate; visible part of the human eye can feel transparent, but the actual data needs instrument measurement, the most widely used is Ministry of Public Security of the light transmittance, the measurement reference for the 560NM (visible range 380NM-780NM).
As the main purpose of the installation of architectural glass film is insulated, so how to measure the insulation rate index is undoubtedly the most important. The practice on the market is sensory measurement, that is, the glass is coated with architectural glass film in front of the sun light to block the heat effect, the advantage is intuitive feel strong, the shortcomings are obvious, the human body feeling greater error and easy to leave.
At this time the use of instrument measurement is particularly important to test architectural glass film transmittance and infrared blocking rate (heat insulation rate) of the international common single-band standard for the 560NM and 1100NM, using this standard instrument for measurement, can be an objective reflection and comparison Architectural glass film performance, even if not absolutely accurate, and even rely on published data or even any exaggerated data deceive the behavior of consumers are also different!
Anti-scratch. High-quality high-end film surface has a layer of anti-scratch layer, under normal use can protect the membrane surface is not easy to be scratched; if there is no anti-scratch layer of protection, the film will be a tool to scratch a road scratches, The clarity of the lower, but also seriously affect the life of the membrane. You can use the nails in the glass film (non-lining) on ??the back and forth scratch a few times, if you can easily scratch the scratches, it must not be high-quality architectural glass film; warranty period architectural glass film shelf life of 10 years and above, Glass film shelf life in 8 years or life-long shelf life, depending on the specific product will be different, but the difference should not be too large; Technical parameters: General architectural glass film parameters include light transmittance, UV blocking line rate, infrared blocking rate, total Solar barrier ratio, tensile strength, peel coefficient, shading coefficient, internal and external reflectance, explosion-proof coefficient, service life, etc., according to these parameters to determine the insulation effect of glass insulation film, explosion-proof safety effects and price Sale of the product packaging and information whether the original manufacturer of detailed product model, address, telephone, website, bar code. In addition to see whether the use of the original unified publicity logo, authorized dealers can use the original all the publicity logo, or will be held accountable for infringement; also depends on whether there is an effective authorized distribution certificate. Of course, some of the above methods according to the specific circumstances to choose the appropriate method, under normal circumstances, some professional parameters or the need for professional staff to solve, so in order to the interests of consumers and personal safety advice to good reputation or brand Franchise stores to buy
n the absence of instrument measurement conditions, you can choose to use a relatively simple way to measure: See - observe the clarity Architectural glass film clarity is an important indicator to ensure that vision. Regardless of the color of the film, please note that through the film glass to see if the outer contour of the article is clear, poor quality film will be misty and even cause the contours of objects outside the deformation, and high-quality film regardless of color depth, clarity is very high The smell of poor quality of the architectural glass film is usually used pressure-sensitive adhesive, this adhesive performance is not stable enough, the quality is not good, with a large number of benzaldehyde molecules, In the sunlight will be volatile under the odor, and the special insulation film almost no taste; hand touch - touch high-quality architectural glass film feels a smooth sense of smooth, low-grade architectural glass film is very soft and thin, lack of adequate Toughness, and easy to wrinkle; seeing - color. High-quality architectural glass film of high clarity, high-quality film pigment is evenly integrated in the film, durable, easy to change color, in the paste process by the scraper scraping will not bleach. And the color of the inferior film in the adhesive from the adhesive, tearing the lining of the film with a nail scraping, the color fell; with alcohol, gasoline, asphalt cleaning agent and other chemical reagents rub. Because the low-grade architectural glass film is only stained by the adhesive layer, or only in the adhesive layer coated with UV agent, so remove the protective layer of the film after wiping the adhesive layer, that can be seen fading phenomenon, or with the instrument test, you can find greatly reduced UV ;
