There is a lot to know about glass. The specific know-how of a flat glass technologist is not always needed. With the sedak factsheets we give you a compact overview of much sought-after topics about glass quality, production technologies and design. We will start off with the topics anisotropies and bulletproof glass. Easy to understand, even for beginners...a real reading tip! In the future you will find all topics in the download area of our website both in German and English.