硅胶干燥剂

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.