Humidity indicator cards(HIC) 1. Humidity range: 10-60% 2. Color change: Brown--azure 3. Brand: HUMIDITOR 4. To used in alll areas that needs moistureproof Such as, PCB, SMD LED, IC, semiconductor industries 5. Thickness: 0.4mm 6. We provide customer products with customer printings, OEM services 7. Widely indicator range from 5%-90% 8.1step supply humidity indicator cards all comply with RoHs, MSDS, J-STD-033B, cobalt-free test, REACH and so on. 9.1step is the only one factory in china who has registered its own trademark of humidity indicator cards named " HUMIDITOR" 10. Welcome for your inquires, we shall make the best offer to you, to supply you the best products with high quality, lowest price, timely delivery and the best services.