250 Pack 6-Point Humidity Indicator Card 10-60% HIC, Cobalt-Free Color Changing Moisture Test Card for Electronics (Blue 10-60%)

This 6-Point Humidity Indicator Card (HIC) provides reliable moisture detection for electronics storage and PCB protection. Featuring a clear 10-60% RH measurement range with distinct blue-to-brown color changes at 10%, 20%, 30%, 40%, 50%, and 60% humidity levels. The cobalt-free, eco-friendly design ensures safe use in sensitive environments like PCB packaging, semiconductor storage, and dry boxes. Each card is non-toxic and reversible (returns to blue when dry). Ideal for monitoring moisture in electronic components, medical devices, and industrial materials.

• 6-Point Humidity Detection – Tracks 10% to 60% RH with clear color changes (blue → brown)
• Cobalt-Free & Eco-Safe – Non-toxic formula compliant with environmental standards.
• Reversible Indicator – Returns to blue when dry for repeated use.
• Wide Applications – Perfect for PCBs, IC chips, dry cabinets, and moisture-sensitive packaging.
• Compact & Durable – Lightweight card fits easily in storage containers or packaging.