الجليد الجاف لتعبئة الطعام: 2025 Complete Safety & دليل التحجيم

If you plan to يستخدم dry ice to pack food, follow the 5–10 lb per 24 ح القاعدة, add a one-day buffer, تنفيس الحزمة, and label it correctly. This ensures your shipment stays frozen, آمن, and compliant with 2025 carrier regulations. Dry ice works better than ice packs by keeping items ultra-cold without leaks or moisture damage

How much dry ice to pack food for 24–120 hours
Which packaging and insulation work best for frozen shipping
Rules for labeling and carrier compliance in 2025
Safety tips for handling and venting dry ice
When to choose pellets vs. blocks for better results

الجليد الجاف لتعبئة الطعام

How Much Dry Ice to Pack Food for Shipping?

قاعدة سريعة: يخطط 5– 10 رطل من الثلج الجاف لكل 24 hours of transit, then add one extra day as a buffer. Use the higher range for hot weather, عزل رقيق, or small pellets that sublimate faster. Always write the net weight in kilograms on the outside label.

لماذا هذا يعمل: Dry ice sublimates at –79 °C (–110 °F), absorbing large amounts of heat as it turns to CO₂ gas. This makes it efficient for maintaining frozen temperatures in insulated containers.

Example Sizing Table

وقت العبور	الجليد الجاف اللازم	ماذا يعني لك
12–24 h	5-10 رطل	Thick insulation → 5 رطل; hot lanes → 10 رطل
48 ح	10-20 رطل	Prefer blocks or ≥10 mm pellets
72-96 ح	20-40 رطل	Test runs recommended; limit door openings
120 ح	40–60 lb	VIP shippers reduce required weight by ~25%

Which Packaging Works Best to Use Dry Ice to Pack Food?

Core setup: Always use an insulated container (الرغوة EPS, بور, or VIP for long routes), مع الثلج الجاف placed above the food since cold air sinks. Packages must be vented to release CO₂ gas.

الكريات مقابل. كتل

كتل (عقد أطول): Last 48–96 hours, أبطأ التسامي.
الكريات (faster chill): Great for quick cooling but sublimate faster.
هجين: Blocks at the base + pellets on top balance speed and longevity.

Container Choices

Container Type	الأفضل ل	لماذا يساعدك
EPS Foam Shipper	24-48 ح	Budget-friendly, easy to source
VIP Shipper	72–120 h	Uses less dry ice; higher upfront cost
برودة صعبة	Multi-use	متينة, قابل لإعادة الاستخدام, good for rough handling

ما هي 2025 Rules for Shipping with Dry Ice?

Air shipments (IATA 2025): علامة "الثلج الجاف/ثاني أكسيد الكربون, solid – UN1845”, يشمل وزن صافي في كيلوغرام, shipper/consignee details, and apply a Class 9 ملصق. استخدم IATA 2025 Acceptance Checklist when a Shipper’s Declaration isn’t required.

USPS: Maximum 5 lb per air mailpiece, محلي فقط, no international.

يو بي إس & FedEx: Follow PI954 rules. FedEx Ground does not treat dry ice as hazardous, but you must still mark the package. UPS may require an ISC contract for international air shipments.

Safety Tips When You Use Dry Ice to Pack Food

تهوية: Never seal containers airtight; يطلق الثلج الجاف غاز ثاني أكسيد الكربون.
التعامل: قم دائمًا بارتداء القفازات العازلة; avoid direct skin contact.
حدود التعرض: OSHA sets 5,000 ppm TWA and 30,000 ppm STEL for CO₂ in workplaces.
Recipient notice: Inform the recipient the package contains dry ice.

حالة حقيقية: A bakery reduced “soft-on-arrival” claims by 35% after switching from pellets to block-dominant dry ice for 2-day routes. Same weight, عقد أطول.

2025 Market and Technology Trends

Updated Regulations: IATA 66th DGR Addendum effective April 2025; USPS continues 5 LB CAP.
VIP Shippers Mainstream: More frozen lanes use vacuum-insulated panels to cut dry ice needs.
المراقبة الذكية: QR-enabled TTIs and Bluetooth loggers provide full cold-chain visibility.
الثلج الجاف المستدام: Suppliers are increasingly using reclaimed CO₂, lowering environmental impact.

الأسئلة المتداولة

س 1: How much dry ice to pack food for 48 ساعات?
Use 10–20 lb depending on insulation and weather; always add one day extra.

Q2: Can dry ice touch food directly?
لا. Always wrap food and separate it with liners or spacers to prevent freezer burn.

س 3: Is dry ice allowed by FedEx Ground?
نعم, but the package must be labeled “Dry Ice – UN1845.”

س 4: Can I fly with dry ice to pack food in my luggage?
نعم, حتى 2.5 كجم (5.5 رطل) لكل راكب, with airline approval and vented packaging.

ملخص & التوصيات

Plan 5–10 lb/24 h + 1 day buffer
Use insulated shippers (EPS, VIP) with vents
Label with UN1845 + صافي كجم
Choose blocks for long routes, pellets for speed
Always handle and dispose of dry ice safely

الخطوة التالية: Test your packout with a small shipment and adjust by ±20%. For compliance and efficiency, prepare pre-printed UN1845 labels and validate your packaging with data loggers.

حول Tempk

و Tempk, نحن متخصصون في تغليف السلسلة الباردة for food and biotech. We design validated shippers, right-size dry ice usage, and provide SOPs and label templates that keep your shipments compliant and safe. Our clients reduce spoilage claims while cutting coolant costs with tailored block/pellet mixes and lane-specific planning.

دعوة إلى العمل: اتصل بـ Tempk today for a free 15-minute consultation and route-specific dry ice calculator.