LCS40
Type 4 Steam Sterilization Chemical Indicator Strip
• Type 4 | Multivariable Indicator • Cycles | 121-134ºC gravity andvacuum-assisted steam sterilization cycles • Features | Color-changing ink verifies exposure to sterilant
• Type 4 | Multivariable Indicator • Cycles | 121-134ºC gravity andvacuum-assisted steam sterilization cycles • Features | Color-changing ink verifies exposure to sterilant
| Brand | LISTER |
| Sterilization Method | STEAM |
| Product Type | Type 4 |
| Size | 2/3"(1.7cm)wide × 8''(20cm)long |
| Color Change | From yellow to black (or lighter) |
Reference Color Change Conditions | 132℃ Saturated steam 3mins |
| Test condition | 132 ℃, Saturated steam with pre-vacuum |
ILLUSTRATION
 | UNPROCESSED |
 | FAILURES |
 | PROCESSED AND SATISFACTORY |
| Weight of PCD | 150-160g / pack |
| Period of validity | 36 months |
| Compliance | ISO 11140-1:2014 |
| Package | 200pcs/pack |
Steam Chemical Indicator Strip – LCS40
•Type 4 | Multivariable Indicator
•Color Change | Designed for easy interpretation with a color change from yellow
to black (or lighter )
• Cycles | 121-134ºC gravity andvacuum-assisted steam sterilization cycles
• Features |Distinct yellow to blue/purple color change indicates conditions for IUSS cycles were met
The LISTER Steam Type 4 Chemical Indicator Strip LCS40 is used to monitor all 121-134ºC gravity and vacuum-assisted steam sterilization cycles.
RELATED DOCUMENT DOWNLOAD
LISTER Catalog of Chemical Indicators.pdf
Technical Data Sheet LCS40.pdf
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LISTER STEAM TYPE 4 CHEMICAL INDICATOR STRIP LCS40 FEATURES |
✅ Indicator Design The LCS40 is a 1.7 cm wide by 20 cm long paper strip,printed with chemical indicator ink that changes colorfrom yellow to black when exposed to the steam sterilization process. |
✅ Sterilization Monitoring This Type 4 chemical indicator is specifically designed to monitor 121-134°C gravity and vacuum-assisted steam sterilization cycles. It ensures that steam has penetrated to the placement point, typically the center of a sterilization pack. |
How the LCS40 LISTER Multivariable Chemical Indicator Works |
✅ Placement Position the indicator within the sterilization load toaccurately monitor the process |
✅ Exposure The indicator is exposed to essential sterilization variableslike temperature, time, and saturated steam. |
✅ Reaction The chemical components in the indicator react to theseparameters, resulting in a visible color change. |
| ✅ Evaluation After sterilization, evaluate the color change to confirmthe sterilization cycle's effectiveness. |
✅ Compliance Meets the ISO 11140-1:2014 standard, ensuring thatthe sterilization process is valid. |
| ✅ Multivariable Monitoring Monitors multiple sterilization parameters simultaneouslyfor a more comprehensive assessment. |
✅ Verification Serves as a verification tool, ensuring that the sterilizationprocess has met the necessary conditions for sterility. |
Potential Causes of Failure |
If any of the critical sterilization parameters (temperature, time, and saturated steam) fall outside the required standards, the indicator will not pass. This indicates the sterilization cycle may have failed, and the material cannot be considered sterile. The cycle may need to be repeated. |
Common failure causes include: |
✅ Inadequate cycle duration ✅ Improper cycle selection ✅ Overloading or incorrect loading of the sterilizer ✅ Poor steam quality ✅ Sterilizer malfunction ✅ Blocking the indicator with large metal masses |
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