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Watesmo allows the quick and easy detection of water and water vapor. On contact with water the paper changes color from light blue to dark blue. The reaction is not reversible. The test paper is used to control the leak tightness of tubing or to detect condensed water.
| Platform | Qualitative test paper |
| Parameter | Water |
| Detection limit | Water - Traces of water |
| Color change | Water - light blue → dark blue |
| Length | 5 m |
| Width | 10 mm |
| Shelf life (from production) | 2 Years |
| Storage temperature | 4−30 °C |
| Scope of delivery | 1 reel of 5 m length and 10 mm width |
| Hazardous material | No |
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