How Flat is Glass?

The Case of Glass Tolerances Question: Dear Glass Detective, What are the tolerances for ¼” glass as far as flatness or being level is concerned? Thank you, Brent R. Answer: Dear Brent, Thank you for contacting the Glass Detective with your questions concerning the tolerances or “flatness” for what you are referring to as […]


Are Glass Bottles a Sustainable Alternative to Plastic?

The Glass Detective takes on The Case of the Recycled Receptacle to answer the question of which material is more sustainable, glass or plastic.