Product description:
Cobalt-free allochroic Silica Gel also known as environmental yellow discoloration silica gel,kind of the newest environmental discoloration silica gel.Yellow or amber transparent or translucent glassiness,spherical or massive particles,strong moisture adsorption.It also been called the moisture indicator because of its color changes with the increasing of adsorption.It can be used alone or in conjunction with the fine pore silica gel(5% or more ).
Product parameters:
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Items
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specification
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Blue gel indicator
(Industry)
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Orange gel indicator
(Enterprise)
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Appearance
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Deep blue
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Orange
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Passing rate of particle size%≥
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96
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96
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Adsorption
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RH=20%
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8
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9
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RH=35%
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13
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14
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RH=50%
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20
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22
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Loss on drying %≤
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2
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2
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Color change
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RH=20%
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Blue or light blue
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Color change
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RH=35%
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Purple or purple-red
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Light green
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RH=50%
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light red
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Light blue
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Remarks:particle size negotiate with customer (RH:Relative Humidity)
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Application:
Because it’s synthesized by humidity discoloration organic material,it’s not only has the feature of moisture indicator of blue silica gel but also with the advantage of nonpoisonous,environmental,non-radioactive,no heavy metals.It has been widely used in Precision instruments,medicine,petrochemical,food,leather,clothing,home appliances and some industrial gases and so on.
Recycling:
After moisture and the color changed,we can recovery it’s original color by heating it at 100℃-120℃ and then we can reuse it.
Packaging:
Packaging,specifications,text,special signs can Customized according to customers.
Remark:Contact me to get more information.