We are one of the professional manufacturers of high quality silica bricks for glass kiln. Due to the multi-stage high-purity quartz ratio, the physical and chemical indicators of our products have reached the advanced level of similar products in the same industry. It is characterized by high starting temperature of load softening, long-term high temperature and no deformation, and has been used in glass melting furnaces for a long time. At the same time, the products can also be used in open hearth regenerators, high temperature hot air furnaces and silicic acid industrial furnaces.

Physical and chemical indicators of high quality silica brick for glass kiln JC/T616-2003

Project			Unit	Index
Project			Unit	XBG-96	ZBG-96	DBG-96
chemical composition	W(SiO₂)	≥	％	96	96	96
	W(FeO₃)	≤	％	0.8	0.8	0.8
	Melt Index （Al ₂O₃₊2R₂ O₃）	≤	％	0.5	0.5	0.5
Physical properties	Apparent porosity	≤	％	21	21	21
	True density	≤	g/cm₃	2.34	2.34	2.34
	0.2MPa Load softening start temperature	≥	℃	1680	1680	1680
	Normal temperature compressive strength	≥	MPa	35	30	30
	Reburning line change (1450℃*2h)	≤	％	+0.2	+0.2	+0.2
	Thermal expansion rate		％	Provide measured data