![LITESENTRY: Understanding tempering distortion and anisotropy | GlassOnline.com - The World's Leading Glass Industry Website LITESENTRY: Understanding tempering distortion and anisotropy | GlassOnline.com - The World's Leading Glass Industry Website](https://www.glassonline.com/wp-content/uploads/2021/03/gti_2021_01_litesentry-2.jpg)
LITESENTRY: Understanding tempering distortion and anisotropy | GlassOnline.com - The World's Leading Glass Industry Website
LandGlass Technology Co., Ltd. - #LandGlass #glasstemperingfurnace #FAQ How to check the flatness of tempered glass? 1. To measure the overall bow of tempered glass, place the glass on an inspection bench.
![ASTM C1652/C1652M-14 Red - Standard Test Method for Measuring Optical Distortion in Flat Glass Products Using Digital Photography of Grids (Standard + Redline PDF Bundle) ASTM C1652/C1652M-14 Red - Standard Test Method for Measuring Optical Distortion in Flat Glass Products Using Digital Photography of Grids (Standard + Redline PDF Bundle)](https://webstore.ansi.org/cover-pages/small/ASTM/C1652_C1652M-14_red.jpg)