3M Window Films do not cause seal failure. We’ve been applying 3M Window Films to insulated windows for many years with several millions of square meters of film applied to date.
When recommended films are applied to the inside pane of an insulated glass unit, there will be some absorption (except with clear safety films) of the sun’s energy, which will increase the temperature of the glass pane. Some of this heat will transmit to the airspace, slightly raising the airspace temperature. However, even a 10oc increase (unusual for most films) will result in a less than 3% change in air pressure, whereas properly made units are designed and tested to withstand 22% changes in air pressure.
Risk of seal failure is greatly determined by the quality of workmanship and the quality of the materials that go into building the insulated glass units. The best guard against seal failure is to purchase well-made units from reputable window manufacturers that have solid experience and histories with insulated units.
WILL 3M WINDOW FILMS STOP MY FURNISHINGS FROM FADING?
没有完全停止消退。3 m窗口的电影re designed to help reduce the major causes of fading (ultra violet light, visible light, and solar heat), thus prolonging the life of your furnishings, perhaps as much as two to five times.
Keep in mind the article(s) to be protected; if they have a typical life of 5 years then they may last 10 years to much longer depending on the performance of the film selected. However, if the typical life is only 2-3 weeks, then the expectation should be expressed in terms of months.
As a general rule of thumb, ultra violet (UV) is approximately 40% of the cause; visible light is about 25%, and heat about 25%. The remaining 10% can be attributed to humidity, pollutants, interior lights, dye stability, and more.
紫外线保护失去有效吗ENESS OVER TIME?
The ultra violet (UV) protection that we use in our proprietary adhesive system is not indefinite, but we design our window films to maintain high UV protection throughout their lifetime.