【Instructions:】 1. Place the plasma indicator card in the bag or wrapper with the object.
2. Try to avoid the device completely covering the card.
3. After the end, observe that the indicator card is reached or is lighter than the standard color.
1. Keep away from acids, alkalis and environments where oxidizing substances are present.
2. Keep away from heat sources and light sources; store below 25 degrees.
3. Valid for 18 months.