Qingao Chemical Co., Ltd.

Fine-pored Silica Gel ( type A ) :: Characteristics :: transparent or translucent glass-like pellet or lump. average pore diameter:2.0-3.0 rim . specific surface area: 650-800 m2/g pore volume : 0.35-0.45 ml/g. specific heat : 0.92 KJ/kg. thermal conductivity: 0.63 KJ/m.hr. :: Use :: Mainly used for drying and moistureproof, may also be used as catalyst carriers, absorbents, separators and variable-pressure absorbents, etc :: Technical Data :: ITEM Specifications Typical values Superior class First class Qualified class Adsorption capacity RH=20%,% â?¥ 8.0 7.0 6.0 11.2 RH=50%,% â?¥ 20.0 19.0 18.0 29.2 RH=90%,% â?¥ 30.0 29.0 28.0 37.6 Loss on heating % â?¤ 2.0 4.0 6.0 1.0 PHOL 4-8 -- -- 4 Specific resistance s,.cm â?¥ 3000 -- -- 5630 Silica % â?¥ 98 -- -- 98.5 Qualified ratic of spherical granules % â?¥ 82 -- -- 90 Size * * * 2-5mm Bulk density g/L * * * 784 Note: qualified ratio of spherical granules is only applicable to fine-pored silica gel :: Size :: 0.5-1.5mm . 0.5-1mm . 2-4mm . 2-5mm . 4-8mm. :: Packing :: 25 kg per bag or 500 kg per bag,net. :: Note :: The moisture content, packing and size may be customized per your specific requirements.

Silica Alumina Gel :: Physical character :: A stable chemical,flame-resisting,insoluble in any solvent except strong alkali or hydrofluoric acid. Superficial polarity,thermal stability,performance of adsorption and separation are all better than that of fine-pored silica gel. :: Color :: light yellow. :: Chemical molecular formula :: SiO2.nAl2O3.xH2O. :: Use :: With higher surface area and drying ability,the absorbent is being widely used in many fields.For its higher compression strength and lower rattle loss, it has longer life and higher performance-value ratio than fine-pored silica gel. :: Main application :: 1.drying of gas 2.drying of natural gas 3.drying of liquid gas 4.drying of compressed air :: Technical Data :: Item Specifications Adsorption capacity,% (25?,wt) RH=10%, = 5.5 RH=20%, = 9.0 RH=40%, = 19.0 RH=650%, = 30.0 RH=80%, = 35.0 Pore volume, ml/g Approx. 0.4 Specific surface area, m2/g 600-800 Bulk density ,g/L Approx. 750 SiO2 content % Approx. 97 Al2O3 content, % Approx. 3 Moisture content % = 3.0 Compression strength,N %= 200 :: Size :: 2-4mm, 1-3mm :: Packaging :: 25 kg per compound bag or 500kg per container bag. :: Remarks :: Packing and size may be customized per your specific requirements

Macro pore Silica gel (Type C) :: USE :: As the raw material of silica-gel-made cat litter, after further dried and screened, it creates internally a structure forms in macro-pored silica gel which is used for absorption of liquid state of water acting as a drier, adsorbent and catalyst carrier. :: Physical character :: 1.Shape: normal in form of pellet 2.Color: cream, translucent. 3.Micro-pore infrastructure . ITEM Specifications Typical values C-01 Type C-02 Type Superior class First class 0.5-3mm 1.5-5mm Loss on heating, % = 6.5 7.0 6.5 6.5 3.2 Low size limit, %= 5.0 5.0 5.0 5.0 0.2 Pore volume, ml/g = 0.78 0.76 0.65 0.65 0.92 Qualified ratio of spherical granules, % = 60 60 --- --- 87 Ratio of spherical granules, % = --- --- --- 10.0 --- Bulk density, g/l 400-480 480-520 --- --- 451 :: Comprehensive Size :: 1-8mm. :: Packaging :: Net 15kg/Per compound bag. :: Remarks :: Packing style and required size range may be customized as per your specific requirements.

Silica Gel (Type B) :: USE :: Mainly used as liquid adsorbents, drier and perfume carriers,also may be used as catalyst carriers, cat litter etc. :: Character :: 1.Shape: pellets or lumps. 2.Color: milky white, transparent or translucent. 3.Pore volume: 0.60-0.85 ml/g. 4.Average pore diameter: 4.5-7.0 nm Specific. 5.Surface area: 450-650 m/g. 6.Structure lying between macro-pored and fine-pored silica gels. :: Technical data :: ITEM Specification Typical values(2--5mm) Adsorption capacity% RH=20%, % = 5.0 6.0 RH=50%, % = 13.0 16.0 RH=90%, % = 70.0 74 Loss on heating, % = 2.0 1.2 Specific resistance, ( .cm) = 5000 12000 PH 5.5--7.5 6.8 Bulk density g/L 500--600 510 :: Size :: 0.5-1.5mm, 0.5-1mm, 2-4mm, 2-5mm, 4-8mm. :: Packaging :: net 25 kg per bag or 500 kg per bag. :: Remarks :: Moisture content, packing style and required size range may be customized as per your specific requirements.

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Supplier: Silica gel,silica gel cat litter,silica gel beads,silica gel desiccant,molecular sieve, activated alumina