Clear color change from yellow to brown
When used as directed the indicator gives a visual confirmation that the items being sterilized have been subjected to the parameters of time, temperature, EO concentration and relative humidity according to EN ISO 11140-1, Type 4.
• Clear color change from yellow to brown
• Assurance to the user that minimum cycle parameters have been achieved inside the pack
• Can be used as a permanent record
• Cost effective
• Conforms to EN ISO 11140-1, Type 4
