How to Identify the Date on Car Glass?

[ValeriaMarie]

Glass with numbers and black dots indicates the production year and month. Below is relevant information about car glass: 1. Manufacturing Process: Car glass is manufactured by heating the glass to near softening temperature in a heating furnace, then rapidly transferring it into fans with varying cooling intensities for uneven cooling. This creates different stress levels between the main viewing area and peripheral areas of the glass. Generally, glass produced this way is zone-tempered glass. 2. Classification: Car glass mainly falls into three categories: laminated glass, tempered glass, and zone-tempered glass, all capable of withstanding strong impacts. Based on location, car glass is divided into four types: windshield, side window glass, rear windshield, and sunroof glass.