diatomite insulating brick-利来登录

diatomite insulating brick

product details

 it is produced by nature diatomite. the main features are higher apparent porosity, better insulating property, lower volume density, lower energy consume, smaller brick work thickness, lower project costs, improved work environment, higher productivity. it can use below 900℃. in addition, it is convenient to construct and lower.
--application
v it is mostly applied heat preservation of pipeline transportation equipments of the gas and the liquid in electric power, metallurgy, engineering, chemical industry, petroleum industries etc. also, it is used to the thermal protective coating of high temperature equipment within electric furnace, heating furnace, steel furnace, annealing furnace, and glass furnace etc.  
vfor aluminium electrolytic pot, the diatomite insulating brick can be used for the masonry of pot bottom and lower portion of pot side wall along the length as heat insulating layer;
vfor bake oven, the diatomite insulating brick can be used for masonry of wall as heat insulating layer.

item

unit

cm-gg-0.7a

cm-gg-0.7b

cm-gg-0.6

cm-gg-0.5

test method

bulk density ,                 ≤

g/cm3

0.75

0.7

0.6

0.55

gb/t2998-2001

(iso 5016-1997)

cold crushing strength,

mpa

1.8

1.2

0.8

0.8

gb/t5072-2008

(iso 8895-2004)

thermal conductivity,      ≤

w/m.k

gb/t5990-2008

(iso 8894-2:1990)

at 2000c

0.20

0.20

0.17

0.17

at 4000c

0.23

0.23

0.19

0.19

at 6000c

0.25

0.25

0.21

0.21

permanent linear change after reheating at 9000c*8hrs,                     ≤

2.0

2.0

2.0

2.0

gb/t3997.1-1998

(iso 2477-2005)

tolerance of length

mm

±2

                     width

mm

±1

                     thickness

mm

±1

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