JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.
Get Involved
C1648-12(2018) Standard Guide for Choosing a Method for Determining the Index of Refraction and Dispersion of Glass
C1649-14(2021) Standard Practice for Instrumental Transmittance Measurement of Color for Flat Glass, Coated and Uncoated
C1650-14(2021) Standard Practice for Instrumental Reflectance Measurement of Color for Flat Glass, Coated, and Uncoated
C1651-11(2018) Standard Test Method for Measurement of Roll Wave Optical Distortion in Heat-Treated Flat Glass
C1652/C1652M-21 Standard Test Method for Measuring Optical Distortion in Flat Glass Products Using Digital Photography of Grids
