tempered clear door glass is the3-5 times than that of ... cooled .If it is cooled rapidly, the glass is up to 4 times stronger than before. When it gets ... be used in the constructions, automobile, train, ship, furniture, automatic door, escalator, microwave oven, refrigerator, etc. colorVisible light (%)Solar RadiationUSunshadecoefficienttransmittancereflectanceDirecttransmittanceDirectreflectanceAt ...