Microporous Vacuum Bag
Double Seal Zipper
Self-sealing Valve
Reusable Humidity Indicator Cards
Environmentally friendly cobalt-free humidity indicator card, indicating range 10%~60%.
When the humidity in the environment around the humidity indicator card rises to a certain value, the corresponding indicator point on the indicator card will change from brown to light blue.
When the indicator point becomes gray (between brown and light blue), the value in the indicator point is the current ambient humidity.
- Cobalt-free
- Indication Range: 10% - 60%
- When humidity levels rise above the indicated RH, the indicating spot will change color from brown to azure. If the humidity level rises above 50%, It is recommended to change the desiccants.
- The humidity indicator cards can be reused after drying with an oven or hairdryer.
Package List
- Hand Pump × 1
- Vacuum Bag × 10
- Sealing Clip × 2
- Desiccant × 15
- Humidity Indicator Card × 15
FAQ
Questions | Possible reason | Solution |
---|---|---|
The vacuum bag cannot be vacuumed or air leakage occurs after vacuum | The bag is not completely sealed | Open the zipper of the bag and reseal the zipper with the sealing clip to ensure that the zipper is completely closed |
The air valve is not placed on a flat surface when pumping air | Re-lay the bag air valve | |
The suction port of the hand pump is not in full contact with the air valve | Make sure that the suction port is placed flat above the air valve with proper pressure | |
Excessive pressure on the air valve from the suction port | Adjust the pressing force of the hand pump | |
The air valve is not completely closed | Press the air valve with your fingers after vacuuming | |
The vacuum bag is damaged | Replace the vacuum bag | |
Slow pumping | Manual pumping is slow | You can squeeze out a part of the air before pumping. The electric pumping device will be introduced later |