Affixed directly to your products' packaging, these reliable time-temperature indicators provide indisputable visual evidence of exposure to unacceptable temperature levels, protecting product quality throughout the entire shipping and handling process.

If your product is temperature-sensitive,
you simply can't take the risk!

With WarmMark^®, ColdMark^® and TempMark8^® time-temperature indicators, you can be certain whether or not your products have been kept at specified temperatures during shipping or storage. With one glance, you or your customers can tell if your product has been exposed to unacceptable heat or cold.

Accurate and dependable

WarmMark, ColdMark and TempMark8 are highly accurate. With strict quality control procedures, they are manufactured to respond within +/- 1ºC of their specific response temperature.  And when the temperature reaches the point where it could damage your product, you'll know for sure, because the change in the indicator is noticeable and irreversible.