Distinguish between the glass , crystal and glass
Glass and glass the difference
glass is a non wholly inorganic Division material, the structure is an inorganic thermoplastic polymer, forming higher than 650oc, after cooling, transparent, corrosion resistance, wear resistance, compressive features such as thermal expansion coefficient of glass is lower than steel, is a poor conductor of electricity and heat, is a living brittle amorphous material.
specific gravity: 2.46 to 2.5 Linear expansion coefficient: 9 to 10×10-6/oc (~ 350oc) s
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