Main technical parameters:

Item	Unit	Index	Inspection Criteria
Bulk Density	Kg/m3	2.3-2.4	ZBG94003-86
water absorption	%	<0.2	GB8488-2001
acid resistance	%	≥99.8	GB8488-2001
bending strength	Mpa	>42	GB8488-2001
crush strength	Mpa	>120	ZBG94003-86
thermal stability	130°c－20°c	no crackle three times	GB8488-2001

Chemical composition: (%)

SiO2	69.8
Al2O3	22.5
K2O	2.7
Na3O	0.95
CaO	0.82
MgO	0.12
Fe3O	0.49
Ignition lost	0.54
Anti-acid rate	99.8

Main specification:

Name	Size (mm)	Name	Size (mm)
rectangular brick	230×113×65	Anti-acid ceramic plate	181×110×（20-30）
rectangular brick	230×65×65	Anti-acid ceramic plate	150×150×（15-30）
transver wedge brick	230×113×55/65	Anti-acid ceramic plate	150×75×（15-30）
transver wedge brick	230×113×45/65	Anti-acid ceramic plate	150×100×10
transver wedge brick	230×113×35/65	Anti-acid ceramic plate	80×80×10
vertical wedge brick	230×113×25/65	Anti-acid ceramic plate	50×50×10

Application:

Acid resistant bricks and boards are widely used in drying and absorbing towers,reaction vessels and tanks in metallurgical,chemical and prtrochemical processes.They are also used for antisepic poor and  flooring in containment areas.