Topic: insulated glass unit (igu)

The term "nisotropy" is used in the façade industry to describe the appearance of patterns and colorful areas in heat-treated glass when viewed under specific lighting and viewing conditions, such as sunlight. Stresses embedded in the glass plate as a result of the heat treatment process are responsible for this phenomenon. In order for a display cabinet door to be bi-refractive or doubly-refractive, the level and distribution of stresses must be controlled.    This is accomplished through...