Imagine a cardiac transplant heart racing through traffic, a breakthrough cancer therapy crossing oceans, or artisan gelato traveling to a five-star resort. These aren’t just shipments—they’re temperature-critical missions where failure isn’t an option. Enter dry ice cold packs: compact thermal guardians harnessing -78.5°C power in portable, predictable packages. Unlike traditional gel packs that plateau at -20°C, they deliver deep-freeze precision where it matters most.
Why Standard Cooling Falls Short
When biologics demand -70°C or seafood requires uninterrupted freezing, conventional solutions crack under pressure:
Gel packs lack ultra-low temperature capability
Loose dry ice sublimes unevenly (losing 30% cooling capacity in air pockets)
Active refrigeration fails during last-mile transit or power outages
Dry ice cold packs solve this by combining controlled sublimation with engineered thermal buffering—turning chaotic cold into calculated precision.
Tempk’s ArcticLock™ Packs: Where Innovation Meets Ice
Tempk reengineered dry ice technology into science-driven solutions:
1. Smart Core Architecture
Nested Cooling Zones: Aerogel-insulated chambers slow sublimation, extending effective duration by 45% vs. standard packs
PhaseChange Hybrid Design: PCM panels absorb excess cold during sublimation plateaus, releasing it during temperature spikes
-80°C Thermal Lock: Maintains cryogenic stability for 96+ hours in 40°C ambients (independently verified)
Helpful decision tools
Check the details before you choose packaging
These quick tools can help you compare route risk, sizing needs, coolant choices, and packaging details before you request a quote.
01Material guideInsulation Material Reference
Compare insulation material choices for different cold chain packaging needs.
Compare materials02Dry ice planningDry Ice Calculator
Estimate dry ice needs for frozen or ultra-cold shipments before packing.
Estimate dry ice03Handling riskInsulation Material Drop Resistance
Review drop resistance and handling factors before choosing insulation materials.
Check resistance
2. Safety Engineered In
Zero-Touch Surface: FrostGuard™ exterior allows safe handling at -70°C
Auto-Regulated Venting: Patented valves prevent CO₂ buildup (IATA UN 1845 compliant)
Medical-Grade Shell: FDA 21 CFR/ISO 13485 certified for direct pharma contact
3. Sustainable Cold Chain
Carbon-Neutral Ice: Uses captured industrial CO₂ (diverting 12 tons/month from atmosphere)
35% Less Ice Consumption: High-efficiency design reduces dry ice needs
Reusable Cores: 50+ lifecycle uses (slashing waste vs. single-use alternatives)
Real-World Impact: Cold That Delivers
Vaccine Integrity: Reduced temperature excursions to 0.2% for mRNA therapies in Southeast Asia trials
Seafood Savings: A Japanese tuna exporter cut spoilage by 28% on trans-Pacific routes
Lab Logistics: Critical research specimens survived 80-hour delays during airport strikes
Tomorrow’s Temperature Tech
Tempk’s upcoming IoT-enabled packs will transmit real-time location, temperature, and sublimation data to cloud platforms—allowing predictive replenishment and dynamic rerouting before failures occur.
