L’expédition d’articles sensibles ne consiste pas seulement à garder les choses au frais : il s’agit également de protéger leur qualité et leur valeur.. Refrigerated dry ice packs provide ultracold temperatures without melting, les rendant indispensables pour les produits pharmaceutiques, biologique, kits de fruits de mer et de repas gastronomiques. These packs sublimate at –78,5 ° C (–109,3 ° F), afin qu'ils puissent conserver les produits congelés beaucoup plus longtemps que les packs de gel ou d'eau. As the cold chain market climbs from USD 228.3 milliards en 2024 en USD 372.0 milliards 2029 and dry ice consumption grows despite Contraintes d’approvisionnement en CO₂, choisir le bon réfrigérant est plus important que jamais.

What refrigerated dry ice packs are and why they matter – understanding their composition and the sublimation process.
Comment choisir entre la glace carbonique, packs de gel, water packs and reusable packs – exploring cost, performances et impacts environnementaux.
Best practices for selecting and using refrigerated dry ice packs – considering shipment type, durée, réglementation et sécurité.
Informations spécifiques à l'industrie et tendances émergentes pour 2025, y compris l’emballage intelligent et la durabilité.
Questions fréquemment posées to help you make informed decisions.
Let’s explore how you can leverage refrigerated dry ice packs to keep your products safe and your operations efficient.
What Are Refrigerated Dry Ice Packs and Why Are They Essential?
Defining Refrigerated Dry Ice Packs
Refrigerated dry ice packs are moulded blocks or pellets of solid carbon dioxide (Co₂) encased in protective materials. Unlike gel or water packs that melt and release liquid, packs de glace sec sublimer directement du solide au gaz. This means no puddles or condensation damage – a critical advantage for moisturesensitive items like pharmaceuticals and microelectronics. Because dry ice maintains températures extrêmement basses (autour de –78,5 °C ou –109,3 °F), it can keep frozen goods like seafood or biologics at ultracold conditions for extended periods.
The sublimation process absorbs heat as CO₂ turns into gas, providing steady cooling throughout transit. Placing the packs inside insulated containers slows sublimation and prolongs the cooling duration. Modern dry ice packs are often vacuumsealed or wrapped in polymer films to prevent direct contact and reduce frostbite risk, making them safer for handlers.
Extended Cooling Without Melting
Dry ice’s ability to remain solid at ultralow temperatures makes it ideal for shipments that must stay en dessous de zéro. Gel packs typically maintain 2–8 °C for 24–48 hours, while water packs are better for chilled (pas gelé) marchandises. Packs de glace sec, cependant, peut keep items frozen for days, especially when combined with highquality insulation. This extended cooling power means fewer refrigerants are required for long journeys, reducing both weight and costs.
Pas de résidu liquide
Since dry ice vaporizes without leaving liquid, il y a no risk of soggy packaging. Gel and water packs, d'autre part, can leak if punctured, contaminating food or pharmaceuticals. This makes dry ice particularly valuable for shipping items in cardboard or other moisturesensitive packaging.
Market and Industry Importance
Le marché de la glace carbonique is growing rapidly. Consumption has been increasing about 5 % par année, pourtant, l’offre de CO₂ n’a augmenté que 0.5 % annuellement, entraînant des pénuries périodiques et une volatilité des prix. Malgré ces défis, demand is projected to push the market from USD 1.54 milliards en 2024 en USD 2.73 milliards 2032 (7.4 % TCAC). This growth is fueled by biologic therapies, vaccins, frozen foods and industrial applications such as blasting and welding.
En même temps, the broader marché de la chaîne du froid – encompassing storage, transportation and packaging – is projected to reach USD 372.0 milliards 2029. Europe currently holds 33.7 % du marché de l'emballage sous chaîne du froid, thanks to stringent food safety regulations and pharmaceutical expansion. Des innovations comme smart packaging with IoT sensors are further driving demand for reliable refrigerants.
Comment fonctionne la sublimation sur glace carbonique
Dry ice sublimates when its surface absorbs heat from the surrounding environment. For every kilogram of CO₂ that sublimates, il absorbe environ 570 kilojoules of heat, delivering powerful cooling. This process produces CO₂ gas, which needs to be vented to prevent pressure buildup. That’s why insulated containers used with dry ice packs include pressurerelief vents or perforations.
Sublimation rates depend on several factors:
Qualité de l'isolation – highperformance materials such as vacuum insulated panels slow heat transfer and reduce the rate of sublimation.
Température ambiante – warmer conditions accelerate sublimation; planning for extra dry ice in summer months is essential.
Package size and fill – more mass equals a slower sublimation rate, so larger blocks of dry ice last longer than small pellets.
Ventilation – adequate venting prevents pressure buildup and ensures safety for handlers.
Understanding these variables helps you estimate how much dry ice is required for your shipment. The table below summarizes typical recommendations.
| Type d'expédition | Quantité recommandée de glace carbonique | Durée estimée | Pourquoi c'est important |
| Échantillons pharmaceutiques (–20 °C à –70 °C) | 5–10 livres par 24 h | 24–72 h | Ensures vaccines and biologics remain viable at ultracold temperatures. |
| Seafood and meats (–18 °C à –20 °C) | 1–2 livres par 24 h | 24 h | Maintains frozen state without freezer burn. |
| Biotech or research samples | 5 lbs par 24 h | 48 h | Protects DNA or cell samples during transit. |
| Kits de repas & aliments surgelés | 2–3 livres par 24 h | 24 h | Keeps readytoheat meals frozen until delivery. |
Practical Tips and Safety Guidelines
Portez toujours des gants isolés et de la protection des yeux lors de la manipulation de glace carbonique. Un contact direct peut provoquer des engelures.
Store packs in wellventilated areas; CO₂ gas can displace oxygen and cause asphyxiation in enclosed spaces.
Label packages properly. Many carriers require a “Carbon Dioxide, Solid” label and specify limits on dry ice weight per parcel.
Planifier pour sublimation losses. Dry ice can dissipate within 12–24 hours depending on conditions; factor this into your shipment schedule.
Exemple du monde réel: A biotech startup shipped genetherapy vectors from San Francisco to New York using Tempk’s dry ice packs. By packing 7 lbs of dry ice and using a highdensity insulation liner, they maintained –65 °C for 60 heures. The company avoided temperature excursions and preserved the sample’s potency, illustrating how careful planning ensures product integrity.
Choosing the Right Refrigerated Dry Ice Pack for Your Needs
The right cooling solution depends on what you’re shipping, how long it will be in transit and your operational constraints. Here’s how to choose wisely.
Temperature Requirements and Product Sensitivity
Produits ultra froids (en dessous de –20 °C) – Items like vaccines, insuline, gene therapies and frozen meats require extremely low temperatures. Dry ice packs excel here because they maintain –78.5 °C and last longer than other options. Pour les produits biologiques fragiles, avoid overcooling by using insulation and separating dry ice from the product with cardboard or foam.
Marchandises réfrigérées (2–8 ° C) – For fresh produce, dairy or readytoeat meals, gel or water packs are often sufficient. Gel packs maintain 2–8 °C for 24–48 hours and are nontoxic and safe to handle. Water packs cost less and are simple to dispose of but provide less thermal retention.
Roomtemperature goods (15–25 ° C) – Matériaux à changement de phase (PCMS) or reusable cold packs can stabilize ambient products. These solutions can be recharged, making them ideal for subscription services or closedloop logistics.
Shipment Duration and Size
Estimate how long your shipment will be en route. Pour transits under 24 heures, a moderate amount of dry ice (2–3 livres par 24 h) peut suffire. Pour multiday shipments, consider adding more dry ice or mixing it with gel packs to maintain both frozen and chilled zones. Larger packages require more dry ice to offset heat gain.
Use the following formula as a starting point:
Poids de glace sèche (lbs) = (shipment duration in hours / 24) × required pounds per day
Adjust for seasonal conditions: more dry ice is needed during summer or in hot climates.
Considérations réglementaires et de sécurité
Règlements d'expédition – Carriers like FedEx and UPS impose limits on dry ice quantity (usually up to 5.5 livres pour les expéditions aériennes). Check regulations for ground vs air and international shipping.
Classification des dangers – Dry ice is classified as a hazardous material because of CO₂ gas release. Proper labeling and documentation are mandatory.
Formation à la manutention – Train your team to use gloves, goggles and proper ventilation to mitigate risks of frostbite and CO₂ accumulation.
Coût et impact environnemental
Although dry ice is effective, it can be expensive and energyintensive to produce. De plus, CO₂ sublimation contributes to greenhouse gas emissions. Gel packs are reusable and safer but may contain nonrecyclable materials. Water packs use only frozen water and have the lowest environmental impact, yet they offer less cooling power. Reusable cold packs have higher upfront costs and require a return program.
Assess your priorities: if carbon footprint is a primary concern, considérer reusable or water packs avec une isolation adéquate. For missioncritical shipments, the reliability of dry ice may outweigh environmental tradeoffs. Hybrid solutions – combining gel packs for chilled zones and dry ice for frozen sections – offer flexibility and reduce overall CO₂ usage.
Comparaison des solutions de refroidissement
The following table compares the main refrigerant options across key criteria (adapted from industry sources):
| Méthode de refroidissement | Meilleure utilisation | Coût & Impact écologique | Facilité d'utilisation | Puissance de refroidissement | Ce que cela signifie pour vous |
| Packs de glace sec | Marchandises surgelées (fruit de mer, vaccins) | Coût élevé, moderate eco impact; CO₂ sourced from industrial byproducts | Nécessite des gants et une ventilation | Excellent – can keep items frozen for days | Ideal for ultracold shipments; plan for regulations and safety. |
| Packs de gel | Marchandises refroidies (2–8 ° C) | Medium cost, moderate eco impact; nontoxic but difficult to recycle | Sûr et facile à manipuler | Good – maintains temperature for 24–48 h | Great for fresh food and pharma that must not freeze. |
| Packs d'eau | Expéditions réfrigérées de courte durée | Low cost and low eco impact – just frozen water | Very easy to handle and dispose | Moderate – lower thermal mass than gels | Budgetfriendly choice for meal kits or groceries; use more packs to increase cooling. |
| Des compresses froides réutilisables | Closedloop logistics, subscription services | Low cost over time; low waste but requires cleaning | Moderate – infrastructure for return and refreezing required | Variable – can be tailored for chilled or frozen | Best when return logistics are feasible; reduces disposable waste. |
Conseils exploitables
For ultralow shipments (Par exemple, vaccins): Use dry ice packs and separate them from the product with cardboard spacers. Monitor temperatures with IoT sensors for compliance.
For ecommerce meal kits: Combine gel packs with water packs to maintain 2–8 °C and avoid freezing. Use more water packs during summer.
Pour les services d'abonnement: Invest in reusable cold packs. Provide customers with a return label and instructions to send them back.
Exemple du monde réel: A food delivery service switched from gel packs to a hybrid waterpack/dryice system. The company used water packs for chilled ingredients and a small dry ice compartment for frozen meats. The change reduced packaging costs by 15 % and improved product freshness, while meeting sustainability goals.
Comparing Refrigerated Dry Ice Packs With Other Cooling Methods
Packs de gel: Flexible and Convenient
Les packs de gel sont reusable pouches filled with nontoxic gel. They maintain refrigerated temperatures (2–8 ° C) pendant 24 à 48 heures. Their advantages include reusability, safety and flexibility; they don’t require special handling and can be refrozen after use. Cependant, they can leak if punctured and may be more expensive than simple water packs. Gel packs are ideal for produits pharmaceutiques réfrigérés, prepared meals and fresh produce.
Packs d'eau: Low Cost and EcoFriendly
Water packs are essentially frozen pouches of water. They’re extremely affordable, sûr à manipuler and easy to dispose of because they simply melt into water. Their lower thermal mass means they may require more units to achieve the same cooling as gel packs. Water packs are perfect for shortduration chilled shipments or when budget and sustainability are top priorities.
Packs froids réutilisables: Sustainable Choice
Des compresses froides réutilisables, often used in closedloop logistics, are durable gel or water packs designed for multiple cycles. They reduce waste and offer low longterm costs. Cependant, they require return logistics, cleaning and refreezing infrastructure. They’re excellent for subscription boxes, pharmaceutical delivery or B2B shipments where you can recover the packs. When reused at high return rates, they have a low environmental impact.
Glace sèche vs packs de glace: Différences clés
According to CK Supply, dry ice maintains much colder temperatures and lasts longer que les packs de glace standards, making it indispensable for keeping items frozen. Ice packs are safer to handle and suitable for products that need to stay cool but not frozen. Dry ice requires protective gear and ventilation, while ice packs don’t. Respectueux de l'environnement, dry ice sublimates into CO₂, whereas ice packs are reusable and produce no harmful emissions.
Factors to Consider When Choosing Between Cooling Options
Type de produit: Frozen goods need dry ice; chilled goods are better served by gel or water packs.
Matériaux d'emballage: Use waterproof containers if using gel or water packs; ensure venting for dry ice.
Shipping costs: Dry ice shipments can be costly due to weight and hazard surcharges. Gel packs are more costeffective for shorter trips.
Customer handling: Si les clients ne sont pas familiers avec la glace carbonique, gel or water packs offer simpler handling.
Impact environnemental: Water and reusable packs have lower footprints; dry ice is more sustainable than chemical refrigerants but still releases CO₂.
IndustrySpecific Applications and Case Studies
Pharmaceutiques et biologiques
The pharmaceutical sector relies on precise temperature control to maintain drug efficacy. Tamperevident packaging and temperaturesensitive monitoring are mandated by regulators. Dry ice packs combined with smart sensors allow realtime monitoring and rapid intervention when temperatures drift. Par exemple, gene therapy samples often require –70 °C storage; using a dry ice and vacuum insulated container can maintain this for 72 heures.
A survey on connected packaging found that ~51.9 % of respondents cited sustainability and recycling as drivers for adoption. En tant que tel, pharma companies are increasingly exploring sources de CO₂ biosourcées, such as capturing CO₂ from bioethanol production to reduce carbon footprints. Au Royaume-Uni, a single bioethanol plant provides 30–60 % de l’approvisionnement en CO₂ du pays, highlighting both the potential and risks of relying on a few sources.
Food and Meal Kits
Ecommerce food deliveries have surged, fueled by the convenience of home dining. MarketsandMarkets reports that the cold chain market is growing at 10.3 % annuellement, driven by online grocery sales and demand for preserved, Repas frais. Pour les kits repas, using a combination of gel and water packs ensures ingredients stay cool without freezing. A hybrid design with a separate dry ice compartment can keep frozen items like ice cream intact, améliorer la satisfaction des clients.
Meal kit companies also care about sustainability. En utilisant compresses froides réutilisables lowers waste and appeals to ecoconscious consumers. To encourage returns, provide prepaid shipping labels and rewards. When return rates exceed 50 %, reusable packs outperform singleuse options in cost and environmental impact.
Seafood and Meat Exports
Seafood and meat exports need to maintain –18 °C à –20 °C pour un transport en toute sécurité. Dry ice packs are standard because they deliver consistent low temperatures and leave no water residue. Cependant, because dry ice supply can be tight during peak seasons, shippers are diversifying with Matériaux à changement de phase (PCMS) and improved insulation to reduce the amount of dry ice needed.
Biotechnology and Clinical Trials
Biotech shipments often involve stem cells, DNA samples or investigational drugs, which are highly sensitive to temperature fluctuations. En utilisant IoTenabled packaging with dry ice ensures continuous monitoring and alerts if temperatures deviate from the set range. For global trials, hybrid solutions combining dry ice, gel packs and PCMs allow segments of the package to maintain different temperatures – crucial when shipping multiple specimen types in one box.
Subscription Services and DirecttoConsumer Brands
Services d'abonnement (meal plans, nourriture pour animaux de compagnie, readytobake kits) thrive on convenience. Reusable cold packs are ideal here, reducing waste and cost when return logistics are feasible. For customers who value sustainability, offering returnable packaging can be a differentiator. Include instructions on how to handle and return the packs, and consider deposit schemes to incentivize returns.
Exemple du monde réel: A petfood subscription service introduced plantbased foam coolers and reusable ice packs. Customers received a discount on future orders for returning the packs. Return rates reached 70 %, cutting packaging waste in half and increasing brand loyalty.
Derniers développements et tendances pour 2025
Emballages intelligents et capteurs IoT
The cold chain industry is embracing smart packaging with IoT sensors, which provide realtime data on temperature, humidité et emplacement. These sensors enable immediate corrective actions if temperature deviations occur, réduire la détérioration et assurer la conformité. Smart labels and RFID tags allow seamless tracking and help meet stricter regulatory requirements in North America, Europe et Asie. Sensor costs are falling, making it feasible to embed them in everyday shipments.
AIPowered Route Optimization and Blockchain
Intelligence artificielle (IA) transforme la logistique de la chaîne du froid. AI algorithms optimize routes based on traffic, météo et fenêtres de livraison, améliorer l'efficacité et réduire la consommation de carburant. Technologie blockchain offers immutable records of product journeys, enhancing traceability and building consumer trust. Leading cold chain providers integrate blockchain to verify compliance with food safety regulations and to detect counterfeits.
Solutions de réfrigération durables
La durabilité est une tendance majeure. Companies are shifting toward CO₂ biosourcé et unités de réfrigération à énergie solaire. Solar refrigeration is particularly valuable in regions with limited grid access, reducing food waste and supporting food security. Léger, conteneurs maritimes intelligents equipped with IoT sensors are another innovation; they monitor conditions in real time and reduce energy consumption.
Growth of Cold Chain Packaging and Refrigerants
Multiple market reports highlight significant growth in cold chain packaging and refrigerants:
Le marché de l'emballage sous chaîne du froid is forecast to rise from USD 30.23 milliards en 2024 en USD 74.38 milliards 2033, reflétant un 9.99 % TCAC. Europe leads with a 33.7 % share due to strict regulations and advanced logistics.
Le cold chain packaging refrigerants market grandira à partir de USD 2.01 milliards en 2025 en USD 4.28 milliards 2034, driven by a 7.7 % TCAC. North America holds a 37 % share and leads innovations in energyefficient and sustainable refrigerants.
Le marché de la logistique de la chaîne du froid devrait s'étendre à partir de USD 436.30 milliards en 2025 en USD 1,359.78 milliards 2034, à un 13.46 % TCAC. The dry ice segment captured the highest market share (55.16 %) dans 2024.
Le reusable icepacks market devrait atteindre USD 374.7 million during 2025–2029, grandir à 5.5 % TCAC. This underscores the growing appeal of sustainable, reusable cooling solutions.
Facteurs réglementaires et consommateurs
Governments worldwide are imposing stricter traçabilité, labeling and anticounterfeiting regulations. Dans le secteur de l'alimentation et des boissons, active and intelligent packaging extends shelf life by 30–50 % in some categories. Consumers are also demanding transparency and sustainability; influences via social media are expanding demand for international cuisines, driving global trade. UN 2025 connected packaging survey found that sustainability and recycling motivated 51.9 % of respondents to adopt smart packaging.
Market Implications
The combination of regulatory pressure, consumer demand and technological innovation is accelerating the adoption of refrigerated dry ice packs and alternative refrigerants. Companies that invest in smart, sustainable and flexible packaging will gain a competitive edge. Supply constraints in CO₂ underline the need for hybrid cooling strategies that mix dry ice with gel packs and PCMs. By diversifying refrigerant sources and integrating IoT monitoring, businesses can navigate volatility while reducing waste.
Questions fréquemment posées
Q1: Are refrigerated dry ice packs reusable?
Most dry ice packs are designed for single use because the dry ice sublimates completely. Cependant, the outer packaging can sometimes be refilled if returned. Si la durabilité est une priorité, consider reusable gel or water packs which can be refrozen.
Q2: How long do refrigerated dry ice packs last in transit?
The longevity depends on how much dry ice you use and the insulation quality. En moyenne, dry ice sublimates within 12–24 heures. Pour les longs trajets, use more dry ice or combine it with gel packs to stretch cooling time.
Q3: La glace sèche est-elle sûre à manipuler?
La glace carbonique est sans danger lorsqu’elle est manipulée correctement. Wear insulated gloves and use it in ventilated areas to avoid frostbite and CO₂ buildup. Always label shipments as “Carbon Dioxide, Solid” to comply with regulations.
Q4: Can I use dry ice to ship refrigerated items (2–8 ° C)?
Dry ice is generally too cold for refrigerated goods and can freeze them. Pour les expéditions entre 2 et 8 °C, gel or water packs are better because they maintain chilled temperatures without freezing.
Q5: Quel est l’impact environnemental de la neige carbonique?
Dry ice is made from CO₂ captured from industrial processes, so it doesn’t add new carbon to the atmosphere. Cependant, production, transporting and storing dry ice requires energy. Reusable packs and water packs have lower footprints.
Q6: How much dry ice should I use per kilogram of product?
Une règle courante est 2–4 lbs of dry ice per 10 lbs of product per day, en fonction de l'isolation et de la température ambiante. Adjust upward for longer trips or warmer conditions.
Résumé et recommandations
Refrigerated dry ice packs are a cornerstone of modern cold chain logistics. Their ability to maintain ultralow temperatures, leave no liquid residue and protect sensitive goods makes them indispensable for pharmaceutical, biotech and frozen food shipments. With the dry ice market poised to grow to USD 2.73 milliards 2032 and the cold chain packaging market climbing towards USD 74.38 milliards 2033, demand for reliable refrigerants will only increase.
When selecting a cooling solution:
Évaluer les exigences du produit. Use dry ice for goods that must stay below –20 °C, but opt for gel or water packs for chilled items.
Calculate proper quantities. Base dry ice amounts on shipment duration, qualité de l'isolation et température ambiante.
Prioriser la sécurité. Train your team on handling dry ice, and comply with carrier regulations.
Envisagez des solutions hybrides. Combining dry ice with gel or water packs can optimize performance and reduce CO₂ usage.
Adoptez la technologie et la durabilité. Invest in IoTenabled packaging, biodegradable materials and reusable cold packs to meet regulatory demands and consumer expectations.
By understanding the strengths and limitations of each cooling method and staying informed on emerging trends, you can ensure that your temperaturesensitive shipments arrive safely, sustainably and on time.
Suggestions de liens internes
Cold chain market growth and opportunities – explore detailed analysis of market drivers, regional trends and investment insights.
Best practices for dry ice shipping – learn stepbystep guidelines on handling, emballage et conformité.
Reusable gel packs vs dry ice – compare sustainability, cost and performance across different refrigerants.
Smart packaging and IoT in cold chain – discover how sensors, blockchain and AI are transforming logistics.
Sustainable cold chain solutions – explore ecofriendly materials, solar refrigeration and biobased CO₂ sources.
À propos du tempk
Tempk est l'un des principaux fournisseurs de solutions avancées pour la chaîne du froid, offering a comprehensive range of packs de glace sec, packs de gel, insulated bags and smart packaging systems. Our products are designed to ensure optimal temperature control, regulatory compliance and sustainability across pharmaceuticals, nourriture, biotech and other industries. Nous investissons massivement dans recherche et développement to deliver innovative solutions like Emballage compatible IoT et reusable thermal technologies that help you reduce waste and improve efficiency. Whether you need ultracold shipping for vaccines or costeffective cooling for meal kits, Tempk’s experts are ready to design a solution tailored to your needs.
Étapes suivantes: Prêt à optimiser votre chaîne froide? Contactez nos spécialistes for a consultation and discover how Tempk’s refrigerated dry ice packs and other solutions can keep your products safe, fresh and compliant in 2025 et au-delà.








