Silica Gel Orange Indicator
Cobalt-free indicator desiccant for eco-sensitive markets
Iron-free orange silica gel that changes to dark green on saturation, meeting EU REACH cobalt restrictions.
Product Overview
Orange silica gel uses an organic, iron-based moisture indicator that changes from orange to dark green as it adsorbs water. It is free of cobalt salts, complying with EU REACH regulations and the environmental requirements of the electronics and pharmaceutical industries.
Offering adsorption capacity identical to blue indicator silica gel, our orange grade provides the same condition-monitoring convenience without the hazardous-metal indicator, and is available in 2-4mm beads with a consistent, sensitive color transition.
Key Features
- Cobalt-free, meets EU REACH requirements
- Orange to dark green color transition
- Same capacity as blue indicator grade
- Safe for electronics and pharma packaging
- Uniform bead size and color response
Technical Specifications
| SiO₂ content | ≥ 98% |
|---|---|
| Water adsorption | ≥ 25% (RH 60%) |
| Color | orange (dry) / dark green (saturated) |
| Bead size | 2-4mm |
| Indicator type | organic, cobalt-free |
Applications
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