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You are here: Home » Industrial Silica Gel » Industrial Silica Gel » PY-A  Fine-pored  silica  gel
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PY-A Fine-pored silica gel

Product Description:
Appearance:
transparent or translucent glass-like

Characteristics:
high bulk density, strong adsorption capacity under low humidity conditions

Properties:
numerous porous, high mechanical strength, large specific surface area, good abrasion resistance (spherical is superior than lump), dissolved in hydrofluoric acid and concentrated caustic soda solution, insoluble in water and other inorganic acid; under low humidity conditions, has strong adsorption capacity; can selectively adsorb certain hazardous substance in the medium.

Mainly used:
For drying and moistureproof
As catalyst carrier and dehydrate refine organic compounds
For air purification agent tocontrol the temperature of the air

Usage:
Used in various industrial gas drying and purification; moisture proof of apparatus, equipment, textiles, pharmaceuticals, and food; indoor air regulation; separation and dehydrated refine of oil and other organic chemical products, and used as adsorbent in the process of freezing.

More practical applied:
on the sea voyage, goods often degenerate due to high humidity, the product can effectively absorb moisture to ensure the goods quality.
Between two parallel plates sealed windows dehumidification, can maintain the transparency of the two layers of glass.

Size:
Fine-pored beaded silica gel  Sizes: 0.5-1.0mm、0.5-1.5mm、1-2mm、1-3mm、2-4mm、2-5mm、3-5mm 、3-6mm、4-8mm……
Fine-pored semi-spherical silica gel  Sizes: 0.5-2mm、1.5-4mm、0.5-4.0mm
Fine-pored lump silica gel  Sizes: 0.2-1mm、0.5-2.0mm、0.71-1.4mm、2-5mm、3-6mm、4mm above

Basic quality datas:
Average pore diameter: 2.0-3.0nm
Surface area: 650-800m2/g ,
Pore volume:0.35-0.45ml/g
Specific heat:0.92KJ/kg.℃
Themal conductivity: 0.63KJ/m.Hr.℃

Package:
15kg, 20kg, 25kg per compound bag net.
25kg/fiber drum or iron drum, 160kg/ iron drum
500kg, 750kg, 800kg, 1000kg container bag

Notes:
Packing, size and specifications may be customized per your specific requirements.
Technique parameter:
Items Typical values Fine-pored beaded Typical values Fine-pored semi-spherical Typical values Fine-pored lump
Appearance Transparent or translucent Transparent or translucent Transparent or translucent
Qualified size ratio, %    98 95 95
Bulk density G/L 730 730 730
Adsorption capacity %
 
RH= 10% 6 6 6
RH= 20% 11 11 11
RH= 40% 22 22 23
RH= 50% 26 26 26
RH= 60% 30 30 30
RH= 80% 33 32 33
RH= 90% 36 36 36
Qualified ratio of spherical granules %  95
Loss on heating% 2 2 2
PH value 4 - 8 4 - 8 4 - 8
Specific resistance  Ω .CM        5000 5000 5000
SiO2 %        99 99 99

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