Purple Red Silica Gel
Purple Red silica gel, also known as indicating silica gel, is a type of desiccant that absorbs moisture from the air to maintain a dry environment. It contains a moisture-sensitive color indicator. This product consists of spherical or irregular-shaped particles and appears purple-red and turns red, orange red and orange yellow when adsorbing enough moisture. Its main component is silicon dioxide, and its color changes with humidity. Unlike blue silica gel, it contains no cobalt chloride and is non-toxic and harmless.
Technical Specifications
Items | Unit | Specification |
Adsorption Capacity | RH =20%, 25℃, %, ≥ | 9.0 |
Adsorption Capacity | RH =50%, 25℃, %, ≥ | 22.0 |
Particle Ratio | %, ≥ | 90.0 |
Loss on Heating | %， ≤ | 2.0 |
Color Changing | RH = 20% | Red |
Color Changing | RH = 35% | Orange Red |
Color Changing | RH = 50% | Orange Yellow |
Applications
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Mixed with white silica gel desiccants and molecular sieves as an indicator
Packing
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Standard Packing: Net Weight 15Kg, 20Kg, 25Kg PP Bag, 25Kg Fiber/Iron Drum, 500Kg, 800Kg Container Bag (customization available)
Storage and Handling
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Store in a cool, dry place away from direct sunlight and moisture. Avoid contact with incompatible materials like strong acids and bases. Wear appropriate personal protective equipment when handling.
Customization
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The moisture content, packing, and size can be customized according to your specific requirements.