Packaging materials:
Another silica gel packagingmaterials variation is salt glass that is employed wherever high thermal shock resistance and high chemical sturdiness area unit desired— as in chemical tableware and automobile headlamps. within the past, leaded “crystal” ware was fabricated from glass containing high amounts of lead chemical compound (PbO), that imparted to the merchandise a high ratio (hence the brilliance), a high modulus of elasticity (hence the plangency, or “ring”), and a protracted operating vary of temperatures. Lead chemical compound is additionally a significant part in glass solders or in waterproofing glasses with low firing temperatures. silica gel in thermal properties in addition as cost; glass fibers like E glass and S glass, employed in fiber-reinforced plastics and in thermal-insulation wool; and optical glasses containing a mess of further major constituents. chemical compound glasses not supported silicon oxide desiccant area unit of very little industrial impor