Description:

Handmade high temperature resistant cup.

High boron silicon glass.

Resistance to cold and heat shock, transient temperature can be up to -20 degrees C to 150 C, low expansion rate, high hardness.

Material: High boron silicon glass

Szie : small size 6*6*8.5cm/2.36"*2.36"*3.35"   

           large size:6*6*13.5cm2.36"*2.36"*5.31" 

Feature: Resistance to cold and heat shock