broken glass, fire heat, root of the tree, wind breeze
Blahbatuh, Gianyar, Bali
Kaca tiup is formed by using broken glass pieces. They are liquified using an oven with a heat of 1600F, then cooled down to the temperature of 600F. It then goes through a "blowing" process on top of the tree root allowing the glass to take the shape of the container.
Disclaimer: The information regarding the materials in the website is based on information from various sources. Some variations on data may occur due to differences of the process by different makers or different places.