The diatomaceous earth is the main material of Huali CD™ Diatomite Insulating Products, produced after mixing, extrusion forming, drying, roasting and grinding. We have three types: Insulating bricks, Insulating particles, and Insulating powder.
Products
CD-0.5
CD-0.6
CD-0.7
CD-0.8
CD-1.0
Bulk density g/cm3
≤0.5
≤0.6
≤0.7
≤0.8
≤1.0
Cold crushing strength kg/cm2
≥8
≥12
≥20
≥35
≥50
Reheat shrinkage % at 900°C×8hrs
0.5
0.5
0.5
0.5
0.5
Thermal conductivity W/(M.K)at 300°C mean
0.11
0.15
0.18
0.20
0.23
Max service temp °C
900
900
900
900
900
Chemical composition %2 2 O3 2 O3
71.5
71.0
70.5
70.0
70.0
16.5
17.0
17.5
18.0
18.0
4.0
4.2
4.5
5.0
5.0
Typical size available: mm
Standard
Arch
Wedge
Key
T38
T39
T19
T20
T43
T44
Length 230
230
230
230
230
230
230
Width 114
114
114
114
114
a
114
114
Width
b
96
76
Thickness
a
65
65
a
65
65
65
65
Thickness
b
55
45
b
55
45
Properties
Grade
Appearance
Bulk density g/cm3
Max service
Thermal conductivity W/M.K at 300°C mean
Size
mm
CD530
Calcined
Powder
0.38
900
≤0.10
0.05-0.25
CD630
Calcined
graininess
0.50
900
≤0.13
1-10
Insulating Products