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Overview
Silica Gel is a highly porous amorphous silicon dioxide manufactured via acid-catalyzed polymerization of sodium silicate. It functions as a desiccant with exceptional surface area, typically ranging from 400 to 800 m²/g.
Application
- Pharmaceuticals: Bottles and blister packs for moisture-sensitive APIs.
- Electronics: Enclosures for PCBs and optical fiber splicing trays.
- Logistics: Shipping containers for heavy machinery and automotive parts.
- Food Processing: Grain silos and vacuum sealing systems.
Precautions
- Temperature: Operate between -20°C and 150°C; regeneration at 120-150°C.
- Humidity: Effective up to 90% RH; capacity drops significantly above saturation.
- Maintenance: Replace upon color change (blue to pink) or weight gain exceeding 30%.