Shipping sensitive items isn’t just about keeping things cool – it’s about protecting their quality and value. Refrigerated dry ice packs provide ultra cold temperatures without melting, مما يجعلها لا غنى عنها للمستحضرات الصيدلانية, البيولوجيا, seafood and gourmet meal kits. These packs sublimate at -78.5 درجة مئوية (-109.3 درجة فهرنهايت), so they can keep products frozen much longer than gel or water packs. As the cold chain market climbs from دولار أمريكي 228.3 مليار في 2024 إلى USD 372.0 مليار من قبل 2029 and dry ice consumption grows despite قيود العرض CO₂, choosing the right refrigerant is more important than ever.
What refrigerated dry ice packs are and why they matter – understanding their composition and the sublimation process.
How to choose between dry ice, حزم هلام, water packs and reusable packs – exploring cost, performance and environmental impacts.
Best practices for selecting and using refrigerated dry ice packs – considering shipment type, مدة, regulations and safety.
Industry specific insights and emerging trends for 2025, including smart packaging and sustainability.
الأسئلة المتداولة 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, حزم الثلج الجاف تسامى مباشرة من الصلب إلى الغاز. This means no puddles or condensation damage – a critical advantage for moisture sensitive items like pharmaceuticals and microelectronics. Because dry ice maintains درجات حرارة منخفضة للغاية (around –78.5 °C or –109.3 °F), it can keep frozen goods like seafood or biologics at ultra cold 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 vacuum sealed or wrapped in polymer films to prevent direct contact and reduce frost bite risk, making them safer for handlers.
Extended Cooling Without Melting
Dry ice’s ability to remain solid at ultra low temperatures makes it ideal for shipments that must stay تحت التجمد. Gel packs typically maintain 2–8 °C for 24–48 hours, while water packs are better for chilled (لا تجمد) بضائع. حزم الثلج الجاف, لكن, يستطيع keep items frozen for days, especially when combined with high quality insulation. This extended cooling power means fewer refrigerants are required for long journeys, reducing both weight and costs.
لا بقايا سائلة
Since dry ice vaporizes without leaving liquid, هناك no risk of soggy packaging. Gel and water packs, على الجانب الآخر, can leak if punctured, contaminating food or pharmaceuticals. This makes dry ice particularly valuable for shipping items in cardboard or other moisture sensitive packaging.
Market and Industry Importance
ال dry ice market is growing rapidly. Consumption has been increasing about 5 % كل سنة, ومع ذلك، فقد زاد المعروض من ثاني أكسيد الكربون فقط 0.5 % سنويا, مما يؤدي إلى نقص دوري وتقلب الأسعار. ورغم هذه التحديات, demand is projected to push the market from دولار أمريكي 1.54 مليار في 2024 إلى USD 2.73 مليار من قبل 2032 (7.4 % CAGR). This growth is fueled by biologic therapies, اللقاحات, frozen foods and industrial applications such as blasting and welding.
في نفس الوقت, the broader سوق السلسلة الباردة – encompassing storage, transportation and packaging – is projected to reach دولار أمريكي 372.0 مليار من قبل 2029. Europe currently holds 33.7 % سوق التغليف بسلسلة التبريد, thanks to stringent food safety regulations and pharmaceutical expansion. ابتكارات مثل smart packaging with IoT sensors are further driving demand for reliable refrigerants.
How Dry Ice Sublimation Works
Dry ice sublimates when its surface absorbs heat from the surrounding environment. For every kilogram of CO₂ that sublimates, يمتص حوالي 570 kilojoules of heat, delivering powerful cooling. This process produces CO₂ gas, which needs to be vented to prevent pressure build up. That’s why insulated containers used with dry ice packs include pressure relief vents or perforations.
Sublimation rates depend on several factors:
جودة العزل – high performance materials such as vacuum insulated panels slow heat transfer and reduce the rate of sublimation.
درجة الحرارة المحيطة – 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.
تهوية – adequate venting prevents pressure build up 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.
| نوع الشحنة | كمية الثلج الجاف الموصى بها | المدة المقدرة | لماذا يهم |
| العينات الصيدلانية (-20 درجة مئوية إلى -70 درجة مئوية) | 5– 10 رطل لكل 24 ح | 24-72 ح | Ensures vaccines and biologics remain viable at ultra cold temperatures. |
| المأكولات البحرية واللحوم (-18 درجة مئوية إلى -20 درجة مئوية) | 1– 2 رطل لكل 24 ح | 24 ح | Maintains frozen state without freezer burn. |
| Biotech or research samples | 5 رطل لكل 24 ح | 48 ح | Protects DNA or cell samples during transit. |
| أطقم الوجبات & الأطعمة المجمدة | 2– 3 رطل لكل 24 ح | 24 ح | Keeps ready to heat meals frozen until delivery. |
Practical Tips and Safety Guidelines
قم دائمًا بارتداء القفازات العازلة وحماية العين عند التعامل مع الثلج الجاف. الاتصال المباشر يمكن أن يسبب قضمة الصقيع.
Store packs in well ventilated 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.
خطة ل sublimation losses. Dry ice can dissipate within 12–24 hours depending on conditions; factor this into your shipment schedule.
مثال العالم الحقيقي: A biotech startup shipped gene therapy vectors from San Francisco to New York using Tempk’s dry ice packs. By packing 7 lbs of dry ice and using a high density insulation liner, they maintained –65 °C for 60 ساعات. 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
بضائع شديدة البرودة (أقل من -20 درجة مئوية) – Items like vaccines, الأنسولين, 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. للبيولوجية الهشة, avoid overcooling by using insulation and separating dry ice from the product with cardboard or foam.
البضائع المبردة (2-8 درجة مئوية) – For fresh produce, dairy or ready to eat meals, gel or water packs are often sufficient. Gel packs maintain 2–8 °C for 24–48 hours and are non toxic and safe to handle. Water packs cost less and are simple to dispose of but provide less thermal retention.
Room temperature goods (15-25 درجة مئوية) – Phase change materials (PCMS) or reusable cold packs can stabilize ambient products. These solutions can be recharged, making them ideal for subscription services or closed loop logistics.
Shipment Duration and Size
Estimate how long your shipment will be en route. ل transits under 24 ساعات, a moderate amount of dry ice (2– 3 رطل لكل 24 ح) قد يكون كافيا. ل multi day 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:
وزن الجليد الجاف (رطل) = (shipment duration in hours / 24) × required pounds per day
Adjust for seasonal conditions: more dry ice is needed during summer or in hot climates.
الاعتبارات التنظيمية والسلامة
لوائح الشحن – Carriers like FedEx and UPS impose limits on dry ice quantity (usually up to 5.5 lbs for air shipments). Check regulations for ground vs air and international shipping.
تصنيف المخاطر – Dry ice is classified as a hazardous material because of CO₂ gas release. Proper labeling and documentation are mandatory.
التدريب على التعامل – Train your team to use gloves, goggles and proper ventilation to mitigate risks of frostbite and CO₂ accumulation.
التكلفة والأثر البيئي
Although dry ice is effective, يمكن أن يكون expensive and energy intensive to produce. علاوة على ذلك, CO₂ sublimation contributes to greenhouse gas emissions. Gel packs are reusable and safer but may contain non recyclable 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, يعتبر reusable or water packs with adequate insulation. For mission critical shipments, the reliability of dry ice may outweigh environmental trade offs. Hybrid solutions – combining gel packs for chilled zones and dry ice for frozen sections – offer flexibility and reduce overall CO₂ usage.
مقارنة حلول التبريد
The following table compares the main refrigerant options across key criteria (adapted from industry sources):
| طريقة التبريد | أفضل استخدام | يكلف & التأثير البيئي | سهولة الاستخدام | قوة التبريد | ماذا يعني لك |
| حزم الثلج الجاف | البضائع المجمدة (المأكولات البحرية, اللقاحات) | تكلفة عالية, moderate eco impact; CO₂ sourced from industrial by products | يتطلب القفازات والتهوية | ممتاز – can keep items frozen for days | Ideal for ultra cold shipments; plan for regulations and safety. |
| حزم هلام | البضائع المبردة (2-8 درجة مئوية) | Medium cost, moderate eco impact; non toxic but difficult to recycle | آمنة وسهلة في التعامل معها | Good – maintains temperature for 24–48 h | Great for fresh food and pharma that must not freeze. |
| عبوات المياه | شحنات مبردة لمدة قصيرة | Low cost and low eco impact – just frozen water | Very easy to handle and dispose | Moderate – lower thermal mass than gels | Budget friendly choice for meal kits or groceries; use more packs to increase cooling. |
| عبوات باردة قابلة لإعادة الاستخدام | حلقة لوجستية مغلقة, 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. |
نصائح قابلة للتنفيذ
For ultra low shipments (على سبيل المثال, اللقاحات): Use dry ice packs and separate them from the product with cardboard spacers. Monitor temperatures with IoT sensors for compliance.
For e commerce meal kits: Combine gel packs with water packs to maintain 2–8 °C and avoid freezing. Use more water packs during summer.
لخدمات الاشتراك: Invest in reusable cold packs. Provide customers with a return label and instructions to send them back.
مثال العالم الحقيقي: A food delivery service switched from gel packs to a hybrid water pack/dry ice 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, مع تحقيق أهداف الاستدامة.
Comparing Refrigerated Dry Ice Packs With Other Cooling Methods
حزم هلام: Flexible and Convenient
حزم هلام هي reusable pouches filled with non toxic gel. They maintain refrigerated temperatures (2-8 درجة مئوية) لمدة 24-48 ساعة. Their advantages include reusability, safety and flexibility; they don’t require special handling and can be refrozen after use. لكن, they can leak if punctured and may be more expensive than simple water packs. عبوات الجل مثالية ل الأدوية المبردة, prepared meals and fresh produce.
عبوات المياه: Low Cost and Eco Friendly
Water packs are essentially frozen pouches of water. They’re extremely affordable, آمنة للتعامل معها 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 short duration chilled shipments or when budget and sustainability are top priorities.
عبوات باردة قابلة لإعادة الاستخدام: Sustainable Choice
عبوات باردة قابلة لإعادة الاستخدام, often used in closed loop logistics, are durable gel or water packs designed for multiple cycles. They reduce waste and offer low long term costs. لكن, 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.
الثلج الجاف مقابل حزم الثلج: الاختلافات الرئيسية
According to CK Supply, dry ice maintains much colder temperatures and lasts longer من عبوات الثلج القياسية, 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. Environmentally, dry ice sublimates into CO₂, whereas ice packs are reusable and produce no harmful emissions.
Factors to Consider When Choosing Between Cooling Options
نوع المنتج: Frozen goods need dry ice; chilled goods are better served by gel or water packs.
مواد التعبئة والتغليف: 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 cost effective for shorter trips.
التعامل مع العملاء: إذا لم يكن العملاء على دراية بالثلج الجاف, gel or water packs offer simpler handling.
التأثير البيئي: Water and reusable packs have lower footprints; dry ice is more sustainable than chemical refrigerants but still releases CO₂.
Industry Specific Applications and Case Studies
الصيدلانية والبيولوجية
The pharmaceutical sector relies on precise temperature control to maintain drug efficacy. Tamper evident packaging and temperature sensitive monitoring are mandated by regulators. Dry ice packs combined with smart sensors allow real time monitoring and rapid intervention when temperatures drift. على سبيل المثال, gene therapy samples often require –70 °C storage; using a dry ice and vacuum insulated container can maintain this for 72 ساعات.
A survey on connected packaging found that ~51.9 % of respondents cited sustainability and recycling as drivers for adoption. كما, pharma companies are increasingly exploring مصادر ثاني أكسيد الكربون الحيوية, such as capturing CO₂ from bioethanol production to reduce carbon footprints. في المملكة المتحدة, a single bioethanol plant provides 30-60 % من إمدادات ثاني أكسيد الكربون في البلاد, highlighting both the potential and risks of relying on a few sources.
Food and Meal Kits
E commerce food deliveries have surged, fueled by the convenience of home dining. MarketsandMarkets reports that the cold chain market is growing at 10.3 % سنويا, driven by online grocery sales and demand for preserved, وجبات طازجة. لأطقم الوجبات, 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, تحسين رضا العملاء.
Meal kit companies also care about sustainability. استخدام عبوات باردة قابلة لإعادة الاستخدام lowers waste and appeals to eco conscious consumers. To encourage returns, provide pre paid shipping labels and rewards. When return rates exceed 50 %, reusable packs outperform single use options in cost and environmental impact.
Seafood and Meat Exports
Seafood and meat exports need to maintain -18 درجة مئوية إلى -20 درجة مئوية for safe transport. Dry ice packs are standard because they deliver consistent low temperatures and leave no water residue. لكن, because dry ice supply can be tight during peak seasons, shippers are diversifying with مواد تغيير المرحلة (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. استخدام IoT enabled 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 Direct to Consumer Brands
خدمات الاشتراك (meal plans, pet food, ready to bake 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.
مثال العالم الحقيقي: A pet food subscription service introduced plant based 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.
أحدث التطورات والاتجاهات ل 2025
التغليف الذكي وأجهزة استشعار إنترنت الأشياء
صناعة سلسلة التبريد تحتضن smart packaging with IoT sensors, which provide real time data on temperature, الرطوبة والموقع. These sensors enable immediate corrective actions if temperature deviations occur, الحد من التلف وضمان الامتثال. Smart labels and RFID tags allow seamless tracking and help meet stricter regulatory requirements in North America, أوروبا وآسيا. Sensor costs are falling, making it feasible to embed them in everyday shipments.
AI Powered Route Optimization and Blockchain
الذكاء الاصطناعي (منظمة العفو الدولية) is transforming cold chain logistics. AI algorithms optimize routes based on traffic, نوافذ الطقس والتسليم, تحسين الكفاءة وتقليل استهلاك الوقود. تكنولوجيا البلوكشين يقدم سجلات غير قابلة للتغيير لرحلات المنتج, enhancing traceability and building consumer trust. Leading cold chain providers integrate blockchain to verify compliance with food safety regulations and to detect counterfeits.
حلول التبريد المستدامة
الاستدامة هي الاتجاه الرئيسي. Companies are shifting toward ثاني أكسيد الكربون الحيوي و وحدات التبريد بالطاقة الشمسية. Solar refrigeration is particularly valuable in regions with limited grid access, reducing food waste and supporting food security. خفيف الوزن, حاويات الشحن الذكية 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:
ال سوق التعبئة والتغليف سلسلة التبريد ومن المتوقع أن يرتفع من دولار أمريكي 30.23 مليار في 2024 إلى USD 74.38 مليار من قبل 2033, يعكس أ 9.99 % CAGR. Europe leads with a 33.7 % share due to strict regulations and advanced logistics.
ال سوق المبردات التعبئة والتغليف سلسلة التبريد سوف تنمو من دولار أمريكي 2.01 مليار في 2025 إلى USD 4.28 مليار من قبل 2034, driven by a 7.7 % CAGR. North America holds a 37 % share and leads innovations in energy efficient and sustainable refrigerants.
ال سوق الخدمات اللوجستية لسلسلة التبريد ومن المتوقع أن تتوسع من دولار أمريكي 436.30 مليار في 2025 إلى USD 1,359.78 مليار من قبل 2034, في أ 13.46 % CAGR. The dry ice segment captured the highest market share (55.16 %) في 2024.
ال reusable icepacks market ومن المتوقع أن تصل دولار أمريكي 374.7 million during 2025–2029, ينمو عند 5.5 % CAGR. This underscores the growing appeal of sustainable, reusable cooling solutions.
المحركات التنظيمية والمستهلكين
Governments worldwide are imposing stricter التتبع, labeling and anti counterfeiting regulations. في قطاع الأغذية والمشروبات, 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. أ 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 استراتيجيات التبريد الهجين that mix dry ice with gel packs and PCMs. By diversifying refrigerant sources and integrating IoT monitoring, businesses can navigate volatility while reducing waste.
الأسئلة المتداولة
س 1: Are refrigerated dry ice packs reusable?
Most dry ice packs are designed for single use because the dry ice sublimates completely. لكن, the outer packaging can sometimes be refilled if returned. إذا كانت الاستدامة هي الأولوية, 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. في المتوسط, dry ice sublimates within 12-24 ساعة. لرحلات أطول, use more dry ice or combine it with gel packs to stretch cooling time.
س 3: جاف آمن للتعامل مع?
يعتبر الثلج الجاف آمنًا عند التعامل معه بشكل صحيح. 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.
س 4: Can I use dry ice to ship refrigerated items (2-8 درجة مئوية)?
Dry ice is generally too cold for refrigerated goods and can freeze them. للشحنات التي تتراوح درجة حرارتها بين 2 و8 درجات مئوية, gel or water packs are better because they maintain chilled temperatures without freezing.
س 5: What’s the environmental impact of dry ice?
Dry ice is made from CO₂ captured from industrial processes, so it doesn’t add new carbon to the atmosphere. لكن, إنتاج, transporting and storing dry ice requires energy. Reusable packs and water packs have lower footprints.
س6: How much dry ice should I use per kilogram of product?
هناك قاعدة مشتركة 2–4 lbs of dry ice per 10 lbs of product per day, اعتمادا على العزل ودرجة الحرارة المحيطة. Adjust upward for longer trips or warmer conditions.
ملخص وتوصيات
Refrigerated dry ice packs are a cornerstone of modern cold chain logistics. Their ability to maintain ultra low temperatures, leave no liquid residue and protect sensitive goods makes them indispensable for pharmaceutical, biotech and frozen food shipments. مع dry ice market poised to grow to USD 2.73 مليار من قبل 2032 and the cold chain packaging market climbing towards دولار أمريكي 74.38 مليار من قبل 2033, demand for reliable refrigerants will only increase.
When selecting a cooling solution:
تقييم متطلبات المنتج. 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, جودة العزل ودرجة الحرارة المحيطة.
إعطاء الأولوية للسلامة. Train your team on handling dry ice, and comply with carrier regulations.
فكر في الحلول الهجينة. Combining dry ice with gel or water packs can optimize performance and reduce CO₂ usage.
Embrace technology and sustainability. Invest in IoT enabled 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 temperature sensitive shipments arrive safely, sustainably and on time.
اقتراحات الروابط الداخلية
Cold chain market growth and opportunities – explore detailed analysis of market drivers, regional trends and investment insights.
Best practices for dry ice shipping – learn step by step guidelines on handling, التعبئة والتغليف والامتثال.
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 eco friendly materials, solar refrigeration and bio based CO₂ sources.
حول Tempk
Tempk هي شركة رائدة في مجال توفير حلول سلسلة التبريد المتقدمة, offering a comprehensive range of حزم الثلج الجاف, حزم هلام, insulated bags and smart packaging systems. Our products are designed to ensure optimal temperature control, regulatory compliance and sustainability across pharmaceuticals, طعام, biotech and other industries. We invest heavily in البحث والتطوير to deliver innovative solutions like التعبئة والتغليف الممكّنة لإنترنت الأشياء و reusable thermal technologies that help you reduce waste and improve efficiency. Whether you need ultra cold shipping for vaccines or cost effective cooling for meal kits, Tempk’s experts are ready to design a solution tailored to your needs.
الخطوات التالية: على استعداد لتحسين سلسلة التبريد الخاصة بك? اتصل بأخصائياتنا 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 وما وراءها.
