Acid resistant brick can be used in drying tower of chemical factory, fertilizer factory and sulfuric acid factory, liner of reactor of absorbing tower, liner of anticorrosive pool, grooves, channels, and laying of acid resistance floor. Main technical indexes:

Item	Unit	Value	Standard
Bulk density	G/cm3	2.31-2.4	HG/T3210-1986
Water absorption	%	0.2	GB/T8488-2001
Acid resistance	%	99.8	GB/T8488-2001
Bending strength	Mpa	≥58.8	GB/T8488-2001
Compressive strength	Mpa	≥80	HG/T3210-1986
Acute coldness/heat resistance	temperature difference 100°C	not crack after 1 time	GB/T8488-2001

  Main specification of tile and plate:

Name	Specification	Name	Specification
Standard tile	230×113×65	Acid resistant ceramic plate	100×110×15
Rectangle tile	113×113×65	Acid resistant ceramic plate	150×150×15-30
Transv wedge tile	230×113×56/65	Acid resistant ceramic plate	150×70×15/-30
Transv wedge tile	230×113×25/65	Acid resistant ceramic plate	100×100×10
End wedge tile	230×113×55/65	Acid resistant ceramic plate	80×80×10
End wedge tile	230×113×25/65	Acid resistant ceramic plate	50×50×10
End wedge tile	230×113×65/45	Acid resistant ceramic plate	180×110×20-30
Narrow tile	230×65×65
Half narrow tile	113×65×65

  Main chemical composition of tile and plate (%):

SiO2	69.8
Al2O3	22.5
K2O	2.7
Na2O	0.95
CaO	0.82
MgO	0.12
Fe2O3	0.05
IL	0.54
Acid resistance	99.8