you might see items marked PYREX (uppercase) or pyrex (lowercase). Some fans claim these labels indicate what type of glass it is. They say that the former is borosilicate, a glass made of silica ...

Materials like sand, stone, concrete, and mortar contain crystalline silica. It is also used to make products such as glass, pottery, ceramics, bricks, and artificial stone. Respirable crystalline ...

Its main purpose is to prevent moisture and protect items from possible damage. Silica gel is known for ... sinks redefine kitchens Tempered glass vs. protective film: Choosing the best shield ...