silica gel adsorbents: indicate the mositure by changing the color
Fine-pored (Type-A) spherical bead silica gel
Characteristics
transparent or translucent
glass-like spherical bead
Average pore diameter: 2.0-3.0 nm
Specific surface area:650-800m2/g
Pore volume:0.35-0.45 ml/g
specific heat:0.92KJ/kg.0C
Thermal conductivity:0.63KJ/m.hr. 0C
Use
Mainly used for drying and moistureproof, may also be used as catalyst carriers, adsorbents, separators and variable-pressure adsorbents, etc.
Technical data
ITEM | Specifications | Typical values | |||
Superior class | First class | Qualified class | |||
Adsorption capacity | RH=20%,% ≥ | 10.5 | 10 | 8 | 11.2 |
RH=50%,% ≥ | 23 | 22 | 20 | 29.2 | |
RH=90%,% ≥ | 34 | 32 | 30 | 37.6 | |
Loss on heating,% | 2.0 | 4.0 | 6.0 | 1.0 | |
PH value | 4-8 | -- | -- | 4 | |
Specific resistance,Ω.cm | 3000 | -- | -- | 5630 | |
Silica% | 98 | -- | -- | 98.5 | |
Qulified ratio of spherical granules,% ≥ | 82 | -- | -- | 90 | |
Size | * | * | * | 2-5mm | |
Bulk density,g/L | * | * | * | 784 | |
*.Negotiable |
Sizes: 0.5-1mm, 0.5-1.5mm,0.5-2mm,1-2mm,2-4mm, 2-5mm,3-5mm,4-8mm, silica gel powder,etc.
Packaging:15kg/bag,20kg/bag,25kg/bag(polywovenbag),500kg/bag(packed in plastic woven flexible container,lined with plastic film bags,shipped in container, 3.6L/bag,1.8kg/bag,2.2kg/bag,5L/jug etc.
Note: The moisture content,packing and size may be customized per your specific requirements.
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