Fabrication and Crystallization of ZnO-SLS Glass Derived Willemite Glass-Ceramics as a Potential Material for Optics Applications

Table 2

The density and linear shrinkage of the glass-ceramic sample at various heat treatment temperatures.

Temperature (°C)	Density (g/cm^3)	Linear shrinkage (%)
27	2.84	0
600	2.95	0.1
700	3.28	0.5
800	3.58	1.1
900	3.89	2.6
1000	3.96	3.7