high alumina refractory brick High alumina insulation brick high alumina cement from China manufacturer

$high alumina refractory brick High alumina insulation brick high alumina cement$

$high alumina refractory brick High alumina insulation brick high alumina cement$
$high alumina refractory brick High alumina insulation brick high alumina cement$

Place of Origin:

Zhejiang, China (Mainland)

Product Detail

Model No.: Laurel-03

Low Iron Content High Alumina Brick Higher Density Thermal Insulation

Low Iron Content High Alumina Brick Higher Density Thermal Insulation

The most competitive price,good quality,safty packing,prompt delivery time,and excellent after-sales services.

Lower ferric Oxide,lower porosity,higher refractoriness,higher density,higher CCS and exact tolerance.

Specifications:

Ordinary High alumina brick

Item	HA60	HA70	HA75	HA80
AL2O3(%)	≥60	≥70	≥75	≥75-80
SIO2(%)	32	22	20	≥18
Fe2O3(%)	≤1.8	≤1.8	≤1.8	≤1.8
Refractoriness °C	1790	1800	1825	≥1850
Bulk density,g/cm3	2.4	2.45-2.5	2.5	2.55-2.6
Softening temperature under load	≥1470	≥1520	≥1530	≥1550
Apparent porosity,%	22	21	21	20
Cold Crushing strength Mpa	≥45	≥50	≥54	≥60