Cobalt-free Color-changing Silica GelFeatureCobalt-free color-changing silica gel (orange silica gel) has the performance of changing its own color after absorbing moisture. Compared with blue silica gel ,orange's does not contain cobalt chloride (in 19Mass Transfer and Separation Equipment 98 the EU identified cobalt chloride as Class II carcinogen),and it is more suitable for customer's use.UseIndicate the moisture adsorption effect:
Desiccant in pharmaceuticals andElectrode household appliances,etc.Sizes0.5-2mm ; 1-3mm; 2-4mm; 3-5mm; 4-8mm; etc.
ItemSpecificationColorOrangeQualified Ratio of Particle,% ≥98.00Bulk Density (g/Cleaning Swab l) ≥760-800Qualified Ratio of Spherical Particle,% ≥90.00Loss on Heating,% ≥5.00
Adsorption Capacity(25 ºC) %RH=20%. % ≥7.00RH=35%, % ≥17.00RH=50%, % ≥25.00RH=90%, % ≥36.00
Color ChangingRH=20% ≥OrangeRH=35% ≥
RH=50% ≥Green yellow
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PackingN.W 25kgs per bag or 500/800/850/900kgs per container bag.NotePacking and size may be customized per your specific requirement.
Note
PaTransmitter cking and size may be customized per your specific requirement.Contact