Humidity Indicator Cards produced by Qinghai not only consider the ease of interpretation but also take into account the operational conditions of the packagers. Compared to other brands, they have the following advantages:
Design Features of Labeling:
- Clear coding for easy identification
- Enlarged indicator window by 10% for better readability
- Clear instructions to prevent misuse
Material and Packaging Optimization:
- Doubled thickness (0.5mm to 1mm) for extended handling time
- Waterproof layer design to prevent indicator dye from permeating and contaminating the main product
- Individually packaged in convenient vacuum-sealed packets for longer shelf life
