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Silica Gel Tech
Silica gel test report(Download)
Silica gel MSDS(Download)
TDS Silica gel Specification
Silica Gel is a high activated adsorpxion material, is widely used in desiccant and absorbent. It is a high-powered absorbent in every humid environment and is the only desiccant used in food and medicine by FDA.
Silica Gel Desiccant—Index of correlation
Quality correlation:
It comes up to the GB10455-89(also according to agreement with the customer).
Adsorpxion of the unit:
Adsorbing capacity RH=20% ≥10%
Adsorbing capacity RH=40% ≥ 20%
Adsorbing capacity RH=90% ≥30%
Attention:As GB10455-89 standard: RH=90% quality product ≥28%
Top-quality ≥29%
Superior quality ≥30%
Index of our company Silica Gel Desiccant:
Moisture requirement: RH=20% ≥9.0-11.5 RH=40%≥ 21.0-22.0 RH=90% ≥34.0-35.0
Temperature condition: Loss on Drying (%)at 180℃:1.0MAX
Specific heat : 0.22
Thermal conductivity :0.15
Storage requirement:
Storage environment: Temperature: 5-25
Moisture: 70%
Away from the illumination and radiation
Storage life: 10 years (in ideal condition)
Theory of Silica Gel
Transparent,glassiness,smooth global, nonpoisonous and tasteless, neutral and non-corrosiveness,only one desiccant which has indicator,it is chemical product,physical wicking and environmental. Non-degradable, the extractable metal content is lower than ROHS standard and GP standard.
Scope of application
The objective service in: sophisticated electronic equipment,Hardware, machinery, Wood ware, clothing and shoe industry, medicine, food, container sea transportation and so on.
Standard:
In line with the national technical standards for Board inspection requirements Such as MIL-D-3464E, JIS Z 0701, DIN 55473
material features:
RH=20%≥ |
9.0-11.5 |
RH=40%≥ |
21.0-22.0 |
RH=90%≥ |
34.0-35.0 |
Grain diameter(mm) |
2.0-4.0 |
Loss on Drying (%)at 180℃ |
1.0MAX |
PH |
5 |
Specific Resistance(Ω. cm) |
10 |
Apparent Density(g/ml) |
0.73 |
Surface Area(m2/g) |
650 |
Pore Volume(ml/g) |
0.36 |
Av. pore Diameter(A)r |
22 |
Specific Heat(Kcal/kg .C) |
0.22 |
Thermal Conductivity(Kcal/m. hr .C) |
0.15 |
Chemical parameters:
Chemical composition contrast |
Silica Gel |
SiO2 (wt %) |
99.7 |
Fe2O3 (wt %) |
0.008 |
AL3O3 (wt %) |
0.025 |
Ca O (wt %) |
0.01 |
Na2O (wt %) |
0.05 |
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