Chinese wholesale 100% Cotton Ball - BD Test Pack – JPS Medical

Description

Bowie & Dick Test Pack is single-use device that consist of a lead-free chemical indicator, BD test sheet, placed between porous sheets of paper, wrapped with crepe paper, with a steam indicator label on the top pf the package. It is used to test the air removal and steam penetration performance in pulse vacuum steam sterilizer. When air is discharged completely, the temperature reaches to 132℃ to 134℃, and keep it for 3.5 to 4.0 minutes, the color of the B-D picture in the pack will change from pale yellow to homogeneous puce or black. If there is air mass existing in the pack, the temperature cannot reach to the above requirement or the sterilizer has leakage, the thermo-sensitive dye will keep primary pale yellow or its color changes un-evenly.

Technical Details & Additional Information

1. Non-toxic 

2. It is easy to record because of the data input table attached above.

3. Easy and fast interpretation of color change from yellow to black

4. Stable and reliable discoloration indication

5. scope of use:it is used to test the air exclusion effect of pre vacuum pressure steam sterilizer.