Cobalt-Free Orange Silica Gel
Cobalt-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 1998 EU identified cobalt chlorides as Class II carcinogen), and it is more suitable for customers' use.
Product Description
Cobalt-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 1998 EU identified cobalt chlorides as Class II carcinogen), and it is more suitable for customers' use.
USE:
Indicate the moisture adsorption effect.
Desiccant in pharmaceuticals and household appliances, etc.
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Size |
1-3mm / 2-4mm / 2-5mm / 3-5mm |
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Color |
Orange |
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Qualified ratio of size, %≥ |
90 |
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Bulk density, g/l |
750-850 |
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Qualified ratio of spherial granules , %≥ |
90 |
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Loss on heating, %≤ |
2 |
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RH=20%, %≥ |
8 |
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RH=35%, %≥ |
13 |
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RH=50%, %≥ |
20 |
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Color Changeing |
RH=20% ≥ |
Orange |
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RH=35% ≥ |
Green Yellow |
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RH=50% ≥ |
Dark Green |
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