• Type 1 | Multi-variable Indicator • Cycles | Used for formaldehyde sterilizer cycles. • Features | Verifies the critical parameters of the formaldehyde sterilization process (i.e., gas concentration, time and temperature).
| Brand | LISTER |
| Sterilization Method | Formaldehyde |
| Product Type | Type 1 |
| Size | 2/3"(1.7cm)wide × 4''(10cm)long |
| Color Change | From red to green (or lighter) |
Reference Color Change Conditions | 70 ℃ 1 mol/L FORM 15mins |
 | UNPROCESSED |
 | FAILURES |
 | PROCESSED AND SATISFACTORY |
| Weight of PCD | 62-67g / pack |
| Period of validity | 24 months |
| Compliance | ISO 11140-1:2014 |
| Package | 200pcs/pack |
Chemical Indicator for Formaldehyde – LCF41
• Type 1 | Multivariable Indicator
• Color Change | Designed for easy interpretation with a color
change from red to green (or lighter green)
• Cycles | an easy-to-handle internal pack monitor for
formaldehyde sterilizer cycles.
• Features | Verifies the critical parameters of the formaldehyde
sterilization process (i.e., gas concentration, time and temperature).
The LISTER LCF41 Chemical Indicator is designed for use as an internal pack monitor. Can be used in formaldehyde sterilization processes.
Related Document Downloads：
Product Brochure of Chemical Indicators.pdf
Technical Data Sheet LCF41.pdf
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• The LISTER LCF41 Type 1 Chemical Indicator has an indicator ink bar printed on a white plastic strip. The chemical indicator stripes turn from red to green after exposure to formaldehyde sterilization process, offering immediate visual results. • The chemical indicator strip is an easy-to-handle internal pack monitor for formaldehyde sterilizer cycles. How the LCF41 LISTER MULTIVARIABLE CHEMICAL INDICATOR works? When the formaldehyde sterilization process reaches the specified conditions of 5 to 15 minutes, 70°C, and a formaldehyde concentration of 1 mol/L, the bordeaux-red ink on the multi-variable chemical indicator will change to green(or lighter green), quickly indicating whether the sterilization conditions have been met. To use, place the indicator card in each package, bag, or tray awaiting sterilization. After the sterilization process is complete, analyze the results based on the color change. If the ink on the multi-variable chemical indicator card turns to the reference color, it proves that the required conditions for sterilization have been satisfied. If any of these critical variables do not meet the requirements specified by the standard, the indicator will not show a passing result. This means that the sterilization cycle may not have achieved the expected sterilization effect and the material cannot be considered sterile, and the sterilization cycle may need to be repeated. The main failure causes are: » Inadequate cycle duration » Improper cycle selection » Overloading/incorrect loading of the sterilizer » Sterilizer malfunction » Blocking indicator with large metal mass |
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