Henan Sinmat Chemical Co., Ltd. is one of the most reliable manufacturers and suppliers of orange silica gel in China. With abundant experience, we warmly welcome you to buy high quality orange silica gel for sale here from our factory. Contact us for free sample.
Introduction
Orange silica gel is also known as cobalt-free color-changing silica gel or environmentally friendly color-changing silica gel, and it is an indicator silica gel that does not contain cobalt chloride. Orange silica gel exhibits a noticeable color change from orange to green or from orange to white after absorbing moisture, thus monitoring whether the silica gel has become saturated with moisture.
Orange color silica gel is a substitute for blue silica gel, it is also mostly based on type A silica gel, but the chromogenic agent is different. The structure and adsorption performance of orange indicating silica gel are basically the same as those of blue silica gel and type A silica gel.
Orange silica gel desiccant is cobalt-free and environmentally friendly, and it better meets modern regulatory requirements. Therefore, it is the mainstream silica gel product. Orange silica gel is mainly used for drying (especially in environmentally sensitive conditions), indicating the degree of dryness or humidity, and is particularly popular in precision instruments, pharmaceuticals, petrochemicals, food, clothing, leather, home appliances, and other industrial gases.
Technical Specification
|
Type |
Orange Silica Gel |
|
|
Chemical Formula |
mSiO2 . nH2O |
|
|
Apprearance |
Yellow granular (non-Co) |
|
|
Diameter(mm) |
0.5-1.5, 1-2, 1-3, 2-4, 2-5, 3-5, 3-6, 4-6, 4-8 |
|
|
SiO2(%) |
≥99 |
|
|
Adsorption Capacity(25℃, %wt) |
RH20% |
≥9 |
|
RH35% |
≥15 |
|
|
RH50% |
≥23 |
|
|
Color Change |
RH20% |
Yellow |
|
RH35% |
Yellow green or light yellow |
|
|
RH50% |
Green or white |
|
|
Wear Ratio(%) |
≤10 |
|
|
Loss on Ignition(%) |
≤2.0 |
|
|
Particle Ratio(%) |
≥90 |
|
Application
- Strict Environmental Protection Drying Scenarios
- Industrial Moisture-proof Package Monitoring
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