Description:
safty iron door glass1)is the3-5 times than that of general glass
2)no harm to human when it was broken
Saftyiron door glass
this glass also called tempered glass isheat-glass processed by heating annealed glass to the softeningpoint and then quenching it by uniform blast of air evenly to bothsurface
The tempered glassis subjected to a special heat-treatment of about 680 degree andafterwards cooled .If it is cooled rapidly, the glass is up to4 times stronger than before. When it gets brokenit chatters into many small fragments which will not lead to majorinjuries.
It can be used inthe constructions, automobile, train, ship, furniture, automaticdoor, escalator, microwave oven, refrigerator, etc.
color | Visible light (%) | Solar Radiation | U | Sunshade coefficient | ||||||
transmittance | reflectance | Direct transmittance | Direct reflectance | At night in winter | In the daytime in summer | |||||
outdoors | indoors | BTU/h·ft2.0f | W/m2f | BTU/h·ft2.0f | W/m2f | |||||
F green | 24 | 23 | 43 | 25 | 18 | 0.92 | 5.22 | 0.93 | 5.31 | 0.40 |
Gray | 20 | 16 | 44 | 18 | 27 | 0.84 | 4.78 | 0.85 | 4.83 | 0.45 |
Tan
| 20 | 15 | 42 | 25 | 24 | 0.85 | 4.85 | 0.84 | 4.81 | 0.42 |
