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Using special flexible but strong film as interlayer film, security effect of security glass against "break in" and "force entry" which occupy a high rate in invasion tricks of breaking windows, is expected.
"break in"･･･a trick that break window glass without caring the sound and achieve one’s purpose in the short time before people reach.
"force entry"･･･a trick that using drivers or something not to make any sound to break glass window and invade unnoticed.
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- It needs time to break glass window with hammer, etc, the security effect is expected.
- Splashing prevention effect ･･･ Bonded by special film, glass makes a minimum of splashing when it breaks. It is a high safety glass.
- Passage prevention effect ･･･ Flexible but strong special film makes it difficult for crushing objects to pass through, so it has a high level safety towards the flying objects, etc.
- Ultraviolet rays absorbing effect ･･･ In visible ray zone it has a high permeation, but it almost shield (approximately 99% was cut) the ultraviolet rays zone (280~380nm).
NOTE
- Since PVB film has an effect of moisture absorbing, it will exfoliate when glass edges are exposed in a humid circumstance for a long time.
- As temperature of glass up to 70 degrees, bubble occurs.
- Fabricating after laminating is difficult.
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