استخدام dry ice bricks dry ice packs is essential for maintaining ultra low temperatures during transport, لكن اختيار الشكل الصحيح وتطبيق المعالجة المناسبة قد يكون أمرًا صعبًا. من المتوقع أن ينمو سوق الثلج الجاف العالمي من دولار أمريكي 1.66 مليار في 2025 إلى USD 2.73 مليار من قبل 2032, and the cold chain packaging refrigerants market is expected to reach دولار أمريكي 2.92 مليار من قبل 2032. تسلط هذه الزيادة الضوء على الحاجة إلى عوامل تبريد موثوقة للقاحات, الأطعمة المجمدة والعينات البيولوجية. سوف تتعلم الاختلافات بين قوالب الثلج الجاف وحزمه, كيفية اختيارها واستخدامها بأمان, وما هي الابتكارات الناشئة فيها 2025.
Differences between dry ice bricks and dry ice packs – forms, مدة التبريد ومتى يتم اختيار كل منها.
Best practices for packing and handling dry ice – how much dry ice to use and safety precautions.
الاتجاهات الناشئة والابتكارات في 2025 - عبوات قابلة لإعادة الاستخدام, أجهزة الاستشعار الذكية والأنظمة الهجينة.
Market insights and sustainability – growth drivers, supply constraints and eco friendly initiatives.
الأسئلة المتداولة – practical answers on shipping duration, regulations and alternatives.
What Are Dry Ice Bricks and Dry Ice Packs, ولماذا يهم?
Dry ice bricks and dry ice packs are both made from solid carbon dioxide (co₂) الذي - التي subledlimates directly into gas without melting. This means no water residue, مما يجعلها مثالية لشحن الأطعمة المجمدة, pharmaceuticals and laboratory samples. Dry ice bricks are rigid blocks that sublimate slowly and provide long lasting cooling, بينما dry ice packs are flexible sheets, الكريات أو شرائح designed for faster cooling and easier placement. Because dry ice’s temperature is approximately -78.5 درجة مئوية (-109 درجة فهرنهايت), it offers three times the cooling efficiency of water ice. Choosing the right form keeps your products safe, reduces waste and helps you comply with shipping regulations.
النماذج, Sizes and Cooling Mechanisms
Dry ice comes in different forms to match various logistics needs:
| استمارة | الحجم النموذجي | معدل التسامي | ماذا يعني بالنسبة لك |
| كتل | كبير, dense slabs | بطيء (48–72 h in insulated boxes) | Ideal for long distance shipments; lower surface area means heat is absorbed slowly. |
| الكريات (أرز) | Small cylinders (~1/8–3/8 in.) | سريع (12-24 ساعة) | Provide precise cooling and fill gaps; often used in laboratories and dry ice blasting. |
| Slices/Nuggets | Medium sized pieces | معتدل | Fit tight spaces; useful for small packages or field kits. |
| Pre made packs | Enclosed pellets in vented packaging | عامل | Designed to release CO₂ gas slowly around products, keeping them cold without direct contact. |
طوب الثلج الجاف are heavy and cumbersome to lift, but they maintain temperatures longer than pellets. حزم الثلج الجاف are easier to handle and can be arranged around irregular products, but they may need replacement sooner.
نصائح وإرشادات عملية للمستخدم
For long trips and heavy loads: Use dry ice bricks or large industrial packs. Their slow sublimation keeps cargo frozen for days.
For precision cooling or small packaging: Use pellets or slices to fill spaces and ensure even cooling.
Combine forms when necessary: Mixed shipments can combine bricks for frozen goods and gel packs for chilled items.
القضية الفعلية: A seafood exporter replaced water ice with small dry ice slices. By venting insulated boxes and placing packs correctly, الشركة reduced shipment weight by 30 % واحتفظ بشرائح السمك مجمدة لمدة 48 hours without leakage.
Choosing Between Dry Ice Bricks and Dry Ice Packs: العوامل التي يجب مراعاتها
Selecting the right cooling agent depends on shipment duration, product requirements and customer experience. طوب الثلج الجاف excel for long durations (48+ ساعات) والأحمال الثقيلة; they maintain ultra cold temperatures below −70 °C and are essential for vaccines, frozen meat or biologic samples. حزم الثلج الجاف work well for shorter trips or smaller packages and are easier for customers to handle. Gel packs or phase change materials may be preferable when goods need to remain chilled rather than frozen.
متطلبات درجة حرارة المنتج
Different products have distinct temperature needs:
البضائع المجمدة (بوظة, المأكولات البحرية, اللقاحات): تتطلب ظروفًا شديدة البرودة; dry ice sublimates at −78.5 °C ensuring these items stay frozen.
البضائع المبردة (الشوكولاتة, medicines requiring 2–8 °C): gel packs or phase change materials are more suitable because they maintain temperatures above freezing.
مدة الشحن والمسافة
Long distance shipments or routes through warm climates favour dry ice bricks, which last 48–72 hours. Local deliveries or same day shipments can rely on gel packs or smaller dry ice packs. Equal weight of dry ice and payload can keep items frozen for up to 48 ساعات, و 1.5× the weight may be needed for 72 ساعات.
Handling and Regulatory Compliance
يتم تصنيف الثلج الجاف على أنه و 1845 under hazardous materials by the الرابطة الدولية للنقل الجوي (IATA) والولايات المتحدة. وزارة النقل (نقطة). شحنات تتجاوز 5 رطل require labeling with “Dry Ice (ثاني أكسيد الكربون الصلبة) UN 1845” and weight declaration. Gel packs are not regulated and therefore easier for customers to handle.
التكلفة والاستدامة
Dry ice is perishable and must be replenished for each shipment. Gel packs are reusable and lower cost, but they cannot maintain ultra cold temperatures. عبوات ثلج جافة قابلة لإعادة الاستخدام, emerging in 2025, can be refilled with solid CO₂ multiple times and help businesses حفظ ما يصل إلى 20 % on cooling costs while reducing plastic waste.
Customer Experience
Customers unfamiliar with dry ice may worry about frostbite or disposal. Provide clear instructions and protective equipment when sending dry ice shipments. For meal kits or consumer deliveries, consider a hybrid approach that uses dry ice for frozen components and gel packs for fresh produce.
Best Practices for Packing and Handling Dry Ice
Shipping with dry ice requires careful planning to ensure safety and compliance. Use the following guidelines to protect your products and your staff.
Calculating the Correct Amount of Dry Ice
General rule: يستخدم 1–2 lbs of dry ice for every 3–4 lbs of product.
24 hour flight: 15 lbs of dry ice can maintain −70 °C conditions for a 24 hour shipment.
Weight ratios: Half the weight of the payload in dry ice covers overnight shipments; equal weight is needed for 48 ساعات, و 1.5× الوزن may be required for 72 ساعات.
Packing and Insulation Tips
حاويات شرط مسبق: Chill boxes before adding dry ice to slow sublimation.
طبقة بشكل صحيح: Place dry ice on top of the products so cold air sinks; use cardboard or cushioning to protect goods sensitive to extreme cold.
تغليف التهوية: Never seal containers airtight; use styrofoam lined with cardboard to allow CO₂ gas to escape.
تقليل المساحة الفارغة: Fill gaps with insulating materials (رغوة, الكريات) to prevent warm pockets.
Use robust outer packaging: Corrugated cardboard or heavy duty plastic boxes provide strength; avoid steel drums or sealed plastic containers.
Safety Precautions and Regulatory Considerations
ارتداء معدات الحماية: استخدام القفازات المعزولة, goggles and closed toe shoes to avoid frostbite.
ضمان التهوية: يطلق رطل واحد من الثلج الجاف حوالي 250 litres of CO₂ gas; store and handle in well ventilated areas.
حزم التسمية: Mark shipments with “Dry Ice (ثاني أكسيد الكربون الصلبة) UN 1845” and include net weight to comply with DOT/IATA rules.
Avoid incompatible materials: Metals, plastics or glass can crack at extreme cold; use containers rated for dry ice.
Train handlers and customers: Provide instructions for safe use and disposal; untrained staff may mishandle dry ice and risk frostbite or asphyxiation.
تصرف: Allow dry ice to sublimate in open space; never dump it in sinks or drains.
القضية الفعلية: A biotech lab packed 15 رطل من الجليد الجاف in pre chilled containers with ventilation holes for a 24 hour flight, تحقيق -70 درجة مئوية throughout transit without pressure buildup.
أخطاء شائعة لتجنب
Sealing containers completely – traps CO₂ and can cause explosions.
Underestimating dry ice quantity – leads to thawing; adjust for ambient temperature and travel time.
Contacting water – speeds up sublimation; keep dry ice dry.
تخطي التدريب – untrained staff may neglect ventilation and protective gear.
التعامل الآمن, Packaging and Disposal
In addition to the guidelines above, ensure your operation meets regulatory standards:
التصنيف التنظيمي: الثلج الجاف هو فئة 9 مواد خطرة (و 1845); shipments require labeling and documentation.
Air transport restrictions: IATA limits dry ice to 200 كجم لكل طرد على طائرات الركاب.
Postal regulations: الولايات المتحدة. Postal Service allows dry ice shipments domestically but restricts them to 5 رطل لكل حزمة, whereas FedEx or UPS allow larger shipments with appropriate documentation.
Educate both staff and customers about safe handling. Provide printed guides inside packages that explain how to handle and dispose of dry ice responsibly. Encourage recipients to let dry ice sublimate outdoors or in ventilated areas.
How Reusable Dry Ice Packs and Smart Technology Are Transforming 2025 لوجستيات السلسلة الباردة
صناعة سلسلة التبريد تتطور بسرعة. أهداف الاستدامة, supply constraints and technological advancements are reshaping how companies use dry ice. في 2025, عبوات ثلج جافة قابلة لإعادة الاستخدام, أجهزة الاستشعار الذكية, الأنظمة الهجينة و تحسين العزل are key trends.
عبوات ثلج جافة قابلة لإعادة الاستخدام
Traditional dry ice packs are single use. Once dry ice sublimates, the packaging is discarded. New designs feature durable, insulated containers that can be refilled with solid CO₂. Reusable packs maintain −78.5 °C, prevent water damage and can be reused hundreds of times. Businesses using reusable packs report حتى 20 % savings in cooling costs and reduced plastic waste. This helps meet corporate sustainability targets and reduces the environmental footprint of shipping.
Smart Sensors and Temperature Monitoring
إنترنت الأشياء (إنترنت الأشياء) technology is revolutionising cold chain logistics. Smart dry ice packs integrate sensors that monitor internal temperature and send alerts when temperatures deviate from safe ranges. Some systems even replenish dry ice automatically when sensors detect warming. At the macro level, logistics providers operate control towers where artificial intelligence analyses temperature data, predicts potential excursions and recommends interventions. This proactive approach reduces spoilage and improves compliance.
Hybrid Systems and Improved Insulation
Hybrid cold chain systems combine dry ice with مواد تغيير المرحلة (PCMS) أو حزم هلام. تمتص أجهزة PCM الحرارة وتطلقها عند درجات حرارة محددة (على سبيل المثال. 2-8 درجة مئوية أو -20 درجة مئوية) وقابلة لإعادة الاستخدام. Dry ice provides ultra cold conditions, while PCMs maintain chilled zones. Hybrid packaging allows multi temperature shipments, ideal for mixed cargo like frozen meat and fresh vegetables. لوحات عزل فراغ (كبار الشخصيات) also improve cold retention, allowing companies to use less dry ice while maintaining required temperatures.
Market Dynamics and Sustainability
Demand for dry ice is growing across sectors, but CO₂ supply is constrained. The global dry ice market is projected to تنمو من الدولار الأمريكي 1.66 مليار في 2025 إلى USD 2.73 مليار من قبل 2032, while demand for cold chain packaging refrigerants will reach دولار أمريكي 2.92 مليار من قبل 2032. لكن, supply grows only about 0.5 % كل سنة, مما تسبب في نقص دوري وارتفاع الأسعار بما يصل إلى 300 %. Companies therefore invest in reusable packs, efficient insulation and alternative coolants to reduce their reliance on single use dry ice.
Environmental pressure is another driver. Much of the CO₂ used for dry ice comes from fossil fuel processes. يستكشف المصنعون bio based CO₂ captured from ethanol plants to create more sustainable dry ice. Biodegradable coatings on packs and recyclable materials also reduce environmental impact.
آخر تقدم في لمحة
Reusable dry ice packs: Durable containers refillable with solid CO₂, saving costs and waste.
أجهزة الاستشعار الذكية: Integrated IoT devices monitor temperature and automatically replenish dry ice when needed.
الحلول الهجينة: Combining dry ice with PCMs or gel packs for multi temperature shipping.
لوحات عزل فراغ: VIPs reduce heat transfer and allow less dry ice while maintaining cold.
Bio based CO₂ and sustainability: Capturing CO₂ from bio ethanol plants and using biodegradable materials to lower carbon footprint.
Market Insights and Sector Dynamics
Dry Ice Market Outlook
ال سوق الثلج الجاف العالمي تم تقديره دولار أمريكي 1.54 مليار في 2024, and it is projected to grow to دولار أمريكي 1.66 مليار في 2025 و دولار أمريكي 2.73 مليار من قبل 2032, وبمعدل نمو سنوي مركب (CAGR) ل 7.4 %. Asia Pacific held a 32.47 % شارك في 2024, driven by cold chain logistics growth and rising demand for frozen foods and pharmaceuticals. Demand is also strong in North America, where dry ice is used in food processing, vaccine storage and dry ice blasting.
The COVID 19 pandemic highlighted the importance of dry ice in vaccine distribution. The Pfizer BioNTech vaccine required ultra cold temperatures, causing temporary shortages and price volatility. As new vaccines and advanced therapies emerge, the need for reliable cryogenic cooling agents will persist.
Cold Chain Packaging Refrigerants Market
ال سوق المبردات التعبئة والتغليف سلسلة التبريد (والتي تتضمن عبوات الجل, foam bricks and other refrigerants) كان دولار أمريكي 1.57 مليار في 2024 ومن المتوقع أن تصل إلى دولار أمريكي 1.69 مليار في 2025 و دولار أمريكي 2.92 مليار من قبل 2032, مع معدل نمو سنوي مركب قدره 8.14 %. قادت أوروبا السوق بـ 31.85 % شارك في 2024. Growth is driven by the pharmaceutical sector’s need for temperature controlled packaging to protect sensitive products.
Product innovation and sustainable refrigerant materials are key. Companies offer gel packs made from puncture resistant nylon laminate and other durable materials. These innovations reduce operational costs and meet regulatory requirements for packaging integrity.
Restraining Factors and Opportunities
Volatile CO₂ supply and pricing can constrain growth. CO₂ availability depends on industrial processes like ethanol and natural gas production; fluctuations lead to supply shortages and price spikes. Geopolitical factors and export restrictions can also disrupt supply chains. للتخفيف من المخاطر, companies diversify CO₂ sources, explore bio based capture and invest in energy efficient insulation.
الأسئلة المتداولة
سؤال 1: What is the difference between dry ice bricks and dry ice packs?
Dry ice bricks are large, rigid blocks that sublimate slowly and provide long lasting cooling (48-72 ساعة). Dry ice packs consist of pellets or slices enclosed in vented packaging; they cool faster (12-24 ساعة) and are easier to position around products. Choose bricks for long journeys and packs for shorter trips or small spaces.
سؤال 2: ما هي كمية الثلج الجاف التي أحتاجها للشحن?
يستخدم 1–2 lbs of dry ice per 3–4 lbs of product. For a 24 hour shipment, حول 15 رطل of dry ice maintains −70 °C. Equal weight of dry ice and payload keeps items frozen for 48 ساعات, و 1.5× الوزن يغطي 72 ساعات.
سؤال 3: Are there regulations for shipping dry ice?
نعم. يتم تصنيف الثلج الجاف على أنه و 1845; shipments must be labeled “Dry Ice (ثاني أكسيد الكربون الصلبة) رقم الأمم المتحدة 1845" وتشمل الوزن الصافي. IATA restricts dry ice to 200 كجم لكل طرد على طائرات الركاب. الولايات المتحدة. Postal Service allows shipments of 5 رطل أو أقل.
سؤال 4: What are the latest innovations in dry ice shipping for 2025?
Reusable dry ice packs, أجهزة استشعار ممكّنة لإنترنت الأشياء, hybrid systems combining dry ice with phase change materials, and vacuum insulation panels are transforming cold chain logistics. These innovations reduce costs, تحسين استقرار درجة الحرارة ودعم أهداف الاستدامة.
سؤال 5: هل يمكنني دمج الثلج الجاف مع عبوات الجل؟?
نعم. Hybrid packaging uses dry ice to keep frozen goods ultra cold while gel packs or PCMs maintain chilled zones. This approach is ideal for mixed shipments, such as meal kits with frozen proteins and fresh produce.
سؤال 6: كم من الوقت يستمر الثلج الجاف في الشحن?
عادة ما يستمر الجليد الجاف 18-72 ساعة, اعتمادا على النموذج, كمية, العزل ودرجة الحرارة المحيطة. الكتل تدوم أطول من الكريات; more insulation and larger amounts of dry ice extend duration.
سؤال 7: Is dry ice environmentally friendly?
Dry ice itself is CO₂ that would otherwise be released into the atmosphere. لكن, supply often comes from fossil fuel processes. يستكشف المصنعون التقاط ثاني أكسيد الكربون الحيوي and reusable packs to reduce carbon footprint. By adopting reusable packs and efficient insulation, you can reduce waste and energy use.
ملخص وتوصيات
الوجبات الرئيسية: Dry ice bricks and dry ice packs are critical tools in cold chain logistics. Bricks provide long lasting cooling, بينما packs offer flexibility. Proper calculation of quantity, vented packaging and safety training ensure safe and compliant shipments. 2025 innovations – reusable packs, أجهزة الاستشعار الذكية, hybrid systems and VIPs – improve efficiency and sustainability. The global market for dry ice and cold chain refrigerants continues to grow, but supply constraints and environmental concerns require proactive strategies.
الخطوات التالية:
قم بتقييم متطلبات درجة حرارة منتجك: Determine if your goods need frozen (-70 درجة مئوية) أو باردة (2-8 درجة مئوية) conditions and choose dry ice bricks, packs or hybrid solutions accordingly.
حساب كمية الثلج الجاف: Use 1–2 lbs per 3–4 lbs of product; adjust based on duration and ambient temperature.
Implement safe packing and labeling: استخدام تنفيس, حاويات معزولة, ارتداء معدات الحماية, and label packages “Dry Ice (ثاني أكسيد الكربون الصلبة) رقم الأمم المتحدة 1845" بالوزن الصافي.
يستكشف 2025 الابتكارات: Invest in reusable dry ice packs, smart sensors and VIPs to reduce costs and environmental impact.
Train staff and inform customers: Provide clear instructions for handling, ventilation and disposal to prevent accidents and improve customer satisfaction.
حول Tempk
نحن Tempk, a leading provider of cold chain solutions. تتضمن محفظتنا الطوب الثلجي الجاف, حزم الثلج الجاف and innovative insulated containers that maintain ultra low temperatures. مع ر&D facilities و quality certifications, we continually develop eco friendly and reusable products that help clients reduce costs and meet sustainability goals. سواء قمت بشحن اللقاحات, مجموعات المأكولات البحرية أو الوجبات الذواقة, نحن can tailor a cooling solution that fits your needs.
دعوة إلى العمل: على استعداد لتحسين سلسلة التبريد الخاصة بك? Contact our experts at Tempk for customised guidance on selecting the right dry ice bricks or dry ice packs. Our team can help you calculate quantities, design packaging and implement the latest technology. Reach out today and safeguard your shipments with confidence.
