For Type A silica gel, its appearance is colorless or slight yellow transparent particles, classified as spherical silica gel and granular silica gel，which is mainly used as adsorbent，suitable for drying various industrial gases (air, oxygen, hydrogen, organic gas) and for the damp proof and dry of instruments, electronic equipments, clothing, shoes& caps, chest & bags, foodstuff, pharmaceuticals and so on, can also be used for dehydration and refining of organic items, and for modulation of air humidity, etc. The key technological specifications of its premium quality item as follows:
Item |
specifications |
Spherical |
granular |
Adsorption capacity%(25℃）≥ % |
RH=20% |
8 |
8 |
RH=50% |
20 |
20 |
RH=90% |
30 |
30 |
Bulk density g/l ≥ |
700 |
670 |
Loss on heating ≤ % |
2 |
2 |
The qualified ratio of spherical particles ≥ % |
82 |
----- |
SiO2 content ≥ % |
98 |
98 |
Particle size mm |
0.5-1mm、 0.5-1.5mm 、1-3mm 、2-5mm、 4-8mm, etc. |
packing |
25kg/bag 25kg/cardboard drum, etc. |
Note: Made as per the agreement if any special request |
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