Self-adhesive, non toxic, chemical process indicators change from blue to pink upon exposure to 10 minutes of saturated steam at 121 °C or 2 minutes at 134 °C. Longer exposure will result in a brighter shade of pink. The blue to pink colour transition is sensitive to time, temperature, and the presence of saturated steam.
- Water based ink is made without the use of heavy metals
- Indicators are stable for at least 18 months when stored at room temperature
Exposed indicators are stable and will remain pink when stored under labeled conditions.
Certifications: Conforms to ISO 11140-1 Section 6 for Class 1 Process Indicators.
Packaging: Each roll is individually packaged with a certificate of conformance to ensure the products’ quality and consistency.