ColdMark™ is an environmental indicator. Affixed directly to your products' packaging, this reliable temperature sensor manufacturer provides indisputable visual evidence of exposure to unacceptable temperature levels, protecting product quality throughout the entire shipping and handling process.
ColdMark™ is encased in a cylindrical tube, specially formulated fluids turn from clear to violet when exposed to temperatures below the predetermined activation temperature level. Four activation temperatures cover a broad spectrum of applications. Simply peel the release liner off the back of the indicator and apply the pressure-sensitive professional adhesive backing to any dry surface to activate and apply