OK® Adhesive Indicator

OK® Adhesive Indicator is a Type 4 Chemical Indicator for use in steam sterilizers.

  • Type 4 Chemical Indicator Strip
  • For Steam Sterilizers operating at 121°C-135°C
  • Adhesive on back layer allows for easy attachment to packages and record keeping documents
SKU: 70000090 Categories: ,


Propper’s OK® Adhesive Type 4 Indicators for Steam sterilization are designed to monitor critical sterilization parameters -time, temperature, and steam. After sterilization, indicators can permanently adhere to paper in record-keeping journals. The adhesive layer on indicator back has two parts, and if necessary, it can also be attached to sterilization containment devices and easily removed after cycle for examination and record keeping. The indicator features an easy to read light creme to black color change. The indicator conforms to ISO 1140-1:2014, Type 4.

OK Adhesive Type 4 Indicator 20×30 mm
SKU: 26410312
1 Pack of 250

OK® Adhesive Type 4 Indicator 33×40 mm
SKU: 26410900
1 Pack of 250