When the form of articles to be sterilized is unlikely to permit
the escape of air, the sterilizing effect may be lessened because
of the air remaining in the chamber. It is recommended that the
countermeasures given below be taken before sterilization.
•When using the sterilizing bag, put approximately 100 ml of
water in the bag and open the mouth of the bag as much as
possible.
•In case of a container, put a small volume of water (approximately
10 to 50 ml) into the container.
•Adjust the volume of articles to be sterilized to 50% or less of the
chamber capacity.
<
For effective sterilization
>
○
When a container with poor permeability is sterilized, the container may deform or its
internal parts may not be sterilized sufciently. Therefore, it is recommended that the
countermeasures given below be taken before sterilization.
•Remove or loosen the lid of the container before sterilizing.
•Exchange the lid of a container with a permeable one.
○
When plastic articles are sterilized, they may deform. Therefore, it is recommended that
sterilization be carried out referring to the table given below.
○
Table. Sterilizing processing adaptation of each material
※
The table should be referred as a guide. Note that characteristics will vary depending on the pressure,
temperature, time, etc.
Adaptation Polyethylene Polypropylene co
polymer
Polypropylene Polycarbonate Tefron FEP
Use of autoclave Not allowed Allowed (121℃) Allowed (121℃) Caution needed Allowed (121℃)
Water absorption
ratio (%)
0.02 or less 0.02 or less 0.03 or less Approximately 0.3 0.01 or less
Transparency Opaque Harf transparent Harf transparent Transparent Harf transparent
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