Posted on May 9, 2018May 11, 2018 by Pulse AssentISO 19742:2018 Optics and photonics. Optical materials and components. Test method for bubbles and inclusions in infrared optical materials Link: ISO 19742:2018 Optics and photonics. Optical materials and components. Test method for bubbles and inclusions in infrared optical materials Source: BSI Standards Related Posts:New laws to introduce digital labelling for…SME Council membership revealed ahead of first meeting