Product Overview: SpotSee ColdMark Descending Temperature Indicators provide a quick, reliable way to detect freeze exposure in temperature-sensitive goods. Used worldwide in cold chain logistics, these irreversible indicators instantly reveal when a product has dropped below its safe temperature threshold, protecting quality and compliance. ColdMark Descending Temperature Indicators Instant freeze detection for critical shipments. ColdMark Descending Temperature Indicators, manufactured by SpotSee, provide a clear, irreversible colour change when goods are exposed to temperatures below a specific threshold. These single-use devices are designed to monitor pharmaceuticals, biologics, chemicals, food, and other freeze-sensitive products during storage and transport. SpotSee is a trusted partner brand, distributed in the UK and EU by Good Life Innovations Ltd. Instant visual alert – changes from clear to violet when freezing occurs. Multiple temperature options – common thresholds include −3 °C, 0 °C, 2 °C, 5 °C, and 10 °C. Simple, cost-effective solution – no training, batteries, or calibration required. Single-use reliability – permanent evidence of exposure; cannot be reset. Supports product quality & compliance – trusted across healthcare, chemical, and food industries. Pack Options 10-pack variants (per threshold) 100-pack variants (per threshold) Benefits & Usage Benefits Provides clear, irreversible proof of freeze exposure. Helps prevent unsafe product use and reduces waste. Fast, easy interpretation (clear → violet). Cost-effective, single-use cold chain monitoring. Usage Select the correct ColdMark threshold for your product (−3 °C, 0 °C, 2 °C, 5 °C, 10 °C, etc.). Remove the indicator from its protective packaging. Affix the ColdMark directly to the product packaging, vial, or shipment container. Store or transport as required — the indicator continuously monitors for freeze events. Inspect on arrival or during storage: Clear = Safe (no freeze exposure) Violet = Compromised (product exposed to freezing temperatures) Dispose after use — ColdMark is a single-use indicator providing permanent evidence of exposure.
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