Comment emballer correctement les aliments surgelés avec de la glace sèche: UN 2025 Guide

Packing frozen food with dry ice correctly is crucial to ensuring your products stay frozen during transit while also adhering to safety regulations. Dans ce guide, you’ll find a step-by-step breakdown of the process, the best packaging materials, dry ice calculations, Précautions de sécurité, and how to stay compliant with 2025 règlements. Keep your shipments in optimal condition and meet all carrier and regulatory requirements.

• How to calculate the correct amount of dry ice for safe packing

• Best packaging and insulation methods to prevent sublimation

• Key labeling rules and compliance steps to avoid costly mistakes

• Comment 2025 innovations in cold chain technology can make your shipments smarter and greener

How Much Dry Ice Should You Use to Pack Frozen Food?

Réponse de base:
The amount of dry ice needed depends on several factors: the weight of the product, la durée du transit, Et la température ambiante. A general rule is to plan for 5–10 lbs of dry ice per 24 heures of transit for every 10-15 lbs of frozen food. If the package is poorly insulated or the environment is hotter, Vous pourriez avoir besoin de plus.

Dry Ice Calculation Example

Pour un 2-day transit avec 5 kg (11 lbs) of frozen food:

Glace sèche (lbs) = Product Weight (kg) × 1.1 × Transit Days × Safety Buffer
= 5 kg × 1.1 × 2 days × 1.15 = 12.7 lbs de glace sèche.

Explication & Aperçu:
Glace sèche sublimate (passe du solide au gaz), meaning it gradually loses mass over time. The better your insulation and the lower the ambient temperature, plus la sublimation est lente. Always factor in a marge de sécurité to account for delays or inefficiencies in insulation.

What Packaging and Venting Methods Ensure Safe Shipping?

Réponse de base:
For the best dry ice shipping, Utiliser un multi-layer insulation system with proper venting. The outer box should be rigid (corrugated or fiberboard), and the inner insulation should consist of Mousse EPS (polystyrène élargi) ou VIP (vacuum-insulated panels). Never seal the package airtight, as dry ice generates gas, which must escape to avoid pressure buildup.

Venting and Distribution Tips:

• Ventilation:
  Leave small vent holes (autour 5–8 mm) for the CO₂ gas to escape. Ensure the liner is loosely closed but not sealed.

• Placement de la glace sèche:
  Place the dry ice sur le dessus et les côtés of the frozen food, not beneath it, to ensure cold air sinks properly and surrounds the product.

• Voids and Space Filling:
  Utiliser mousse, kraft paper, or air pillows to fill any gaps inside the package. This reduces airflow and helps keep the temperature stable.

Example in Practice:

A frozen food company optimized its dry ice use by adding extra insulation and repositioning dry ice in perforated bags. They improved the freezing duration by 15% and cut waste by 10%.

What Are the Key Labeling and Documentation Requirements?

Réponse rapide:
Pour les expéditions d'air, dry ice must be labeled as “Glace sèche / Dioxyde de carbone, Solide (UN1845)” avec poids net clairement marqué. Shipments containing more than 5.5 lbs (2.5 kg) of dry ice must also include a Classe 9 Hazard Diamond. Keep all documentation updated to avoid shipping delays.

Carrier-Specific Requirements:

• UPS and FedEx:
  Both require waybill notation (“Glace sèche, UN1845, poids net”) and proper labeling for hazardous goods.

• IATA and DOT Rules:
  For international shipping, comply with Voici pi 954 et DOT regulations. Always double-check the specific limits of each carrier.

Why Proper Labeling Matters:

Incorrect or missing labeling can result in costly fines, delays, or even the rejection of your shipment. UN Et 1845 étiquette ensures that your dry ice is handled as a hazardous material according to legal requirements.

What Are the Safety Precautions You Should Take When Handling Dry Ice?

Réponse de base:
Dry ice is hazardous due to its extreme cold and the CO₂ gas it releases as it sublimates. Toujours porter gants isolés, lunettes, et protective clothing when handling dry ice, and ensure the workspace is well-ventilated. Never seal dry ice in airtight containers, as the buildup of gas can cause explosions.

Safety Best Practices:

• Use PPE (Personal Protective Equipment):
  Wear insulated gloves and eye protection at all times when handling dry ice to avoid frostbite or injury from cold exposure.

• Ventilation:
  Ensure all dry ice handling is done in well-ventilated areas to avoid CO₂ buildup, which can displace oxygen and cause asphyxiation.

• Disposition appropriée:
  Allow dry ice to sublimate in an outdoor area that is well-ventilated. Never dispose of dry ice down drains or seal it in containers.

Exemple du monde réel:

A food logistics company had a 30% reduction in handling injuries after implementing strict safety training et ventilation protocols.

How Do You Handle 2025’s Innovations in Cold Chain Shipping?

Aperçu de la tendance:
As technology advances in 2025, smarter cold chain solutions are emerging. This includes AI-driven coolant dosing, smart packaging systems that track temperature in real-time, et eco-friendly liners that help reduce environmental impact.

2025 Innovations:

• AI-driven temperature management: Predicts sublimation rates and adjusts dry ice amounts accordingly.

• Emballage intelligent: Embedded sensors track temperature, ensuring constant monitoring during transit.

• Sustainable materials: Use of isolation biodégradable et carbon-neutral dry ice est en augmentation, Réduire les déchets et les empreintes de pas carbone.

Perspicacité du marché:
With the rise in e-commerce frozen food shipments, customers expect zero-melt livraisons. Cold chain providers are increasingly adopting these innovations to improve temperature control, réduire les déchets, and meet sustainability goals.

Questions fréquemment posées

Q1: How long does dry ice last in transit?
La glace carbonique peut durer 24–72 heures en fonction de l'isolation et du montant utilisés. Always add extra for buffer time.

Q2: Can I ship dry ice in personal luggage?
Oui, but only up to 2.5 kg (5.5 lbs) with advance approval from the airline. Ensure the bag is vented and properly marked.

Q3: How do I calculate dry ice for my shipment?
Use the formula:
Glace sèche (lbs) = Product weight (lbs) × 1.1 × transit days × 1.15 safety buffer.

Résumé et recommandations

To pack frozen food with dry ice properly, always calculate the right amount of dry ice, choose appropriate packaging, and ensure proper labeling. Pour 2025, adopting smarter, more sustainable technologies will enhance efficiency and compliance. Keep safety a priority by following best practices for handling and venting dry ice.

Étapes suivantes:

• Review your packing methods and integrate AI-powered or smart packaging for better temperature monitoring.

• Update your Sops avec 2025 guidelines and conduct training sessions on dry ice handling.

• Ensure compliance with all regulations and carrier requirements to avoid delays.

À propos du tempk
Et tempk, we specialize in cold chain packaging solutions that reduce dry ice waste by up to 30% while maintaining compliance and performance. Our designs are tailored to meet the stringent requirements of air and ground shipping in 2025. Contact us for a consultation personnalisée to optimize your shipments.