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Coarse-pored silica gel

Silica gel specific type
ITEM UNITS Pores silica gel Coarse-pored silica gel Blue silica gel Orange silica gel Waterproof silica gel
Adsorption RH=20% % ≥10 - - ≥9.0 ≥5.8
RH=40% 　 - - - - ≥11.5
RH=50% % ≥22 - ≥18.0 ≥22.0 -
RH=80% 　 - - - - ≥30
RH=90% % ≥32 - ≥28.0 - -
Heating reduction % 4.0 ≤7.0 ≤5.0 ≤2.0 -
Particle size limit % Agreement ≤5.0 - - -
Pore Volume mL/g - ≥0.76 - - ≥0.40
Qualified rate of Spherical particles % - ≥60 ≥90 ≥90 -
ATTRITION % - 　 ≤10.0 ≤10.0 ≤0.05
BULK DENSITY g/L Agreement 480-520 - - 700
CRUSH STRENGTH N - - - - ≥100
BET SURFACE m2/g - - - - ≥550
Color change RH=20% 　 - - - Orange silica gel -
RH=35% 　 - - - Shallow orange -
RH=50% 　 - - Shallow purple orshallow red Shallow orange -
 
Use:All kinds of gas and materials dry and colour change