Application
B-D test pattern is used to test whether the cold air was completely   exhausted from fore vacuum or pulsation vacuum pressure steam      sterilizer or the sterilized package, and whether there is cold air inside the package. The color of test pattern is hard to fade after sterilization.
Usage
It is used to test whether the air in the fore vacuum steam sterilizer is  exhausted effectively after vacuum-pumping. The test pouch should   be used under 132℃-134℃ for 3.5~4.0 minutes without standard      packaging.
Storage
Keep it where ambient temperature is 15℃~30℃ and relative humidity is less than 50%, and keep it away from sunlight.
Validity
24 months