Date: 11 December 2013
L.J. Star Inc., a leading supplier of sight glasses and visual flow indicators, has released a video that explains how a Metaglas® borosilicate sight glass is made to withstand extreme pressure and thermal shock that would cause an ordinary sight glass to fail catastrophically.
2013-12-13T12:00:00L.J. Star Video Explains How Fused Sight Glass Gets Its Super Strength glassonweb.com