Borosilicate glass begins to soften around 650 deg C (1200 deg. Fahrenheit); at this temperature, the viscosity of type? ?
Fahrenheit; at this temperature, the viscosity of type?? Borosilicate glass begins to soften around 1200 deg.
Borosilicate glass begins to soften around 1200 deg. Fahrenheit; at this temperature, the viscosity of type??
Borosilicate glass begins to soften around 1200 deg. Fahrenheit; at this temperature, the viscosity of type??