Class 5 Double Strip Chemical Indicator for Steam Sterilization, PRIMA, 140×20 mm, 250 pcs
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- 2-year warranty for individuals, 12 months for companies
Product details

The STEAM chemical indicator (class 5) - double strip, size 140x20 mm, 250 pcs/box, is used in the sterilization process.
Sterilization temperature 121°C - 134°C.
The blue color changes to light gray - dark gray - black as follows:
The first indicator, “PROCESS,” must always turn black when subjected to a sterilization cycle. • 135°C for 3.5 minutes - the color changes from blue to light gray. Insufficient exposure time!
• 135°C for 7 minutes/121°C for 20 minutes - the color changes from blue - indicator no. 2 “CORRECT” to black - indicator no. 3 “EXTENDED” to dark gray.
• 135°C for 10 min - the color changes from blue to black for all 3 indicators. According to the ISO 11140-1 standard, the indicators are designed to work in an autoclave sterilization cycle under the following conditions: 135°C for 7 minutes or 121°C for 20 minutes. The chemical indicator must be used at the temperature indicated on the card.
Specifications
| Brand | Prima |
|---|---|
| Product code | PS-1797-5-SD |
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