Diatomite is the accumulation of the remains of ancient single-cell diatom. Watching under the microscope , there are diversified shapes of many kinds of diatom. The apertured diatom earth is small density with large surface area, storng absorption,good suspending performance, stable physical and chemical functions, no poison and no smell. Therefore, the diatom earth and its products are widely used as functional diatomite filler, diatomite absorbent (drying agent) of harmful and poisonous material and dangerous gas, diatomite filler-aid used in liquid and solid separation , as well as satisfied for other industrial requirements.    
　高强度硅藻土保温砖理化指标(一、标型：230×114×65mm　使用900℃)
标准
体积密度
(≤)
常温耐压强度
Mpa(≥)
导热系数W(m.k)
重烧线变化
(900℃×8h)
≤％
国标
企标
300±10℃
GG-0.4
0.4
0.8
0.13
1.5
GG-0.5a
0.5
0.8
0.15
1.5
GG-0.5b
0.5
0.6
0.16
1.5
SG-5
0.5
1.2
0.12
1.5
GG-0.6
0.6
0.8
0.17
1.2
SG-6
0.6
1.5
0.15
1.2
GG-0.7a
0.7
2.5
0.20
1
GG-0.7b
0.7
1.2
0.21
2
SG-7
0.7
2.5
0.16
1
SG-8
0.8
5.0
0.18
1
SG-10
1.0
8.0
0.20
1
硅藻土火泥
0.7
0.21
2
　硅藻土保温砖理化指标
名称
单位
规格
体积密度
(≤)
常温耐压强度
Mpa(≥)
导热系数W(m.k)
重烧线变化
(900℃×8h)
≤％
标准
300±0℃
T-3
块
230×114×65
0.7
1.2
0.21
2
国标
GB3996-83
T-6
块
250×123×65
0.7
1.2
0.21
2
T-38
块
0.7
1.2
0.21
2
T-39
块
0.7
1.2
0.21
2
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