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+--- Thread: highway noise barriers (/Thread-highway-noise-barriers)
highway noise barriers - qizhen0809 - 04-05-2018
12 % -20%. 2, anti-impact impact strength is 250-300 times the ordinary glass, 30 times the same thickness of the acrylic plate is 2-20 times the tempered glass, with 3kg hammer the following two meters fall nor crack, there is "broken glass" And "ring steel" reputation. 3, UV PC board side squeeze co-extruded with UV (UV) coating, the other side with anti-condensation treatment, set anti-UV, anti-fog insulation function in
one. It blocks UV rays and protects valuable artwork and exhibits from UV damage. 4, light weight: only half the proportion of glass, saving transportation, handling, installation and support the cost of the framework. 5, the national standard flame retardant GB50222-95 confirmed that the endurance board is a flame retardant, that B1 level. PC board ignition temperature is 580 ��, self-extinguishing from the fire,
burning does not produce toxic gases, will not contribute to the spread of the fire. 6, bendability According to the design drawings at the site using cold-formed way, the installation of arched, semi-circular roof and windows. Minimum bending radius of 175 times the thickness of the board, but also bending. 7, noise insulation board sound insulation effect is obvious, than the same thickness of glass and acrylic board with better
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