... or outer decoration of hotel, buildings, aerodromes, undergrounds, hospitals, banks and villas. 3.jade crystal glass Specifications: (mm)2000×30002000×15002000 ... :a high tech inorganic nonmetallic materialZero water-absorptivity , antifouling and clean, always keeps newCan be deep processed such as toughened ... coefficient :( 30-200), ×10-6 K-1 80--95 float neo stractural glass (chodopak)---wlx