Wissen

Einweg-Trockeneisfolie für den Tiefkühlversand – Vorteile, Größe, 2025 Trends

Einweg-Trockeneisfolie für gefrorene Sendungen: Warum ist es wichtig

Shipping frozen goods demands a solution that keeps products rocksolid while minimising mess and complying with hazardous material rules. A disposable dry ice wrap combines a reflective or insulating sleeve with solid carbon dioxide (Trockeneis) das bei −78,5 °C sublimiert. Im Gegensatz zu losen Blöcken oder Gelpackungen, Die Hülle sichert das Trockeneis, leitet Gase sicher ab und hält die extrem kalten Temperaturen 24–72 Stunden lang aufrecht. Dieser Leitfaden entschlüsselt, wie Trockeneiswickel funktionieren, wann man sie verwendet, wie man sie dimensioniert und verpackt, und welche Vorschriften und Nachhaltigkeitsfaktoren zu berücksichtigen sind.

24

Was zeichnet eine Einweg-Trockeneisfolie aus und wie unterscheidet sie sich von Gelpackungen und anderen Kältemitteln??

So berechnen Sie die richtige Menge Trockeneis für 24, 48 and 72hour shipments using simple field formulas

Stepbystep packing instructions to reduce temperature spikes and protect your payload

Regulatorische Anforderungen, safety practices and labeling guidelines for dry ice shipments

Innovationen und Markttrends für 2025 that make dry ice wraps more efficient and sustainable

What Exactly Is a Disposable Dry Ice Wrap and How Does It Work?

A disposable dry ice wrap is a breathable pouch or sleeve lined with reflective or insulated material that holds solid dry ice (Solid Co₂). Trockeneis sublimiert direkt vom Feststoff in den Gaszustand, absorbing heat as it does so. Because the wrap traps the dry ice and vents CO₂ gas, it prevents pressure buildup and protects the product from frostbite, unlike loose pellets that can directly burn packaging or food. In Kombination mit einer dicken Isolierung, a wrap can keep cargo below −10 °C for 48–72 hours—far longer than gel packs. The reflective liner reduces radiant heat and the vented design prevents explosions, making dry ice wraps ideal for frozen meat, Eiscreme, Meeresfrüchte und Biologika.

Why Use Dry Ice Wraps Instead of Loose Dry Ice or Gel Packs?

Ultracold temperature range: Dry ice maintains temperatures from about −78 °C up to −10 °C, enabling deep freezing of meats, Meeresfrüchte und Eis. Gel packs typically hold 2–8 °C and are insufficient for products that must remain frozen.

Clean and moisturefree: Trockeneis untermauert in Co₂ -Gas, leaving no liquid puddles. Gel packs thaw to water, which can leak and damage packaging.

Raumeffizienz: Dry ice has over twice the cooling energy per pound and three times the cooling power per volume compared with water ice. This allows smaller, lighter packages and reduces shipping costs.

Vorschriftenregulierung: Wraps provide controlled venting and secure the dry ice, helping you meet airline and ground transport regulations. Loose blocks require more robust labeling and present greater risk of pressure buildup.

Types of Disposable Dry Ice Wraps

Wickeltyp Beschreibung Ideale Verwendung What It Means for You
Commercial wrap Manufactured sleeve with reflective film and vent holes; holds slabs or pellets; cost $5–$15 per sheet and lasts 48–72 hours. Longdistance frozen shipments (Eiscreme, Fleisch, Biologika) Readymade solution requiring minimal preparation; consistent cooling but higher upfront cost.
DIY Zeitungspapier Layers of newspaper and cardboard around a dry ice block; dauert 24 bis 48 Stunden. Short shipments or budget shippers Low cost and ecofriendly; less durable and may shift during transit.
Aluminiumfolie + Handtuch Layer of foil wrapped in a towel to reflect heat and insulate; lasts 24–36 hours. Moderate shipments or when combining dry ice with gel packs Inexpensive but less uniform; best for mixed loads (gefroren + gekühlte Artikel).

How Cold and How Long? Sizing Your Dry Ice Wrap

Understanding Key Factors

Several variables determine how much dry ice you need:

Payload size and insulation: Larger volumes and thin corrugate walls require more dry ice; highRvalue EPS or vacuum insulation panels (VIP) reduce heat ingress and can lower dry ice mass by 20–40 %.

Ambient temperature band: Leichte Strecken (10–20 °C), warm routes (20–30 °C) und heiße Routen (30–40 °C) influence sublimation rate. Hotter environments burn CO₂ faster.

Dauer: Je länger die Sendung, the greater the dry ice needed. Dry ice sublimates at roughly 5–10 lb (2.3–4,5 kg) per day depending on container quality.

Void space and venting: Unfilled space speeds up sublimation; fill voids with inserts to reduce airflow.

Field Rule for Quick Sizing

A simple rule of thumb derived from cold chain tests is 0.8–1.9 kg of dry ice per 10 L of internal volume per 24 Std., depending on route temperature:

Leichte Strecken (10–20 °C): 0.8–1.0 kg per 10 L pro Tag.

Warm routes (20–30 °C): 1.0–1.4 kg per 10 L pro Tag.

Heiße Routen (30–40 °C): 1.4–1.9 kg per 10 L pro Tag.

Beispielrechnung: Für einen 24 L box traveling on a warm route for 48 Std., multiplizieren 1.2 kg (average of warm band) × (24 L ÷ 10) × 2 Tage ≈ 5.8 kg Trockeneis. Add a 10–20 % buffer for delays and lid openings.

Carrierspecific Guidelines and Limits

Carriers often impose weight limits and surcharges for dry ice:

Lufttransporte: Viele Fluggesellschaften begrenzen den Preis für Trockeneis 5.5 lb (2.5 kg) pro Paket. UPS notes that five to ten pounds can sublimate every 24 Std., so they recommend adding an extra day of dry ice to cover delays.

Bodentransporte: There is no universal weight cap, but you must vent the package and follow DOT or local rules.

Dry ice replenishment: UPS Healthcare™ suggests calculating the amount based on container insulation and factoring in an extra 24 hours to cover delays.

Choosing the Right Form (Platten, Pellets or Sheets)

Platten: Release CO₂ slowly; ideal for longer hauls of 48 Stunden oder mehr.

Pellets: Fill irregular voids and provide rapid cooling but sublimate quickly; best for initial chill or when used with gel packs.

Gepunktete Blätter: Flexible sheets that you can cut to size; provide uniform coverage and moderate hold time.

StepbyStep Packing: Building a Frozen Shipment that Lasts

Correct packing reduces hot spots and prolongs frozen hold time. Befolgen Sie diese Schritte:

Prestage the shipper: Place a bottom pad and corner inserts to reduce convective currents.

Bereiten Sie die Nutzlast vor: Wrap your product in a dry ice wrap sleeve, expel excess air and ensure the contents are prefrozen or chilled to shipping temperature. Prechilling reduces the initial heat load.

Add side insulation: Insert side panels or dunnage to minimise void space.

Trockeneis von oben laden: Place the dry ice wrap or packs above the product so cold air sinks down. Break large blocks into smaller pieces for even sublimation.

Den Deckel entlüften: Crack the lid or punch vent holes. Do not seal the box airtight—CO₂ expansion can cause explosions.

Beschriftung richtig: Mark the package “Dry Ice (Und 1845), net ___ kg.” Include sender/recipient information and emergency contact numbers.

Wiegen und protokollieren: Weigh the final package to verify dry ice mass and record the data for replenishment and regulatory documents.

Layout Tips to Avoid Hot Spots

Behalten Sie zumindest 1 cm clearance between the dry ice wrap and outer walls to prevent sweating and cardboard softening.

For fragile desserts, add a thin corrugated shelf below the CO₂ layer to distribute weight.

Use bright “Vent Before Opening” stickers to warn receivers and reduce the risk of suffocation when unboxing.

 

Disposable Dry Ice Wrap vs Gel Packs vs PCM: Auswahl des richtigen Kältemittels

Option Typischer Temperaturbereich Zeit halten & Effizienz Kosten / Wiederverwendung Am besten für
Trockeneiswickel ≤ −10 °C to −78 °C Highest hold time per liter; maintains frozen state for 24–72 h when sized correctly Medium–high cost; einzelne Verwendung Gefrorenes Fleisch, Meeresfrüchte, Eiscreme, Laborproben
Gelpackungen 2–8 ° C oder 0–-2 °C Moderate hold time; safe for produce and pharmaceuticals Niedrige Kosten; wiederverwendbar Mahlzeiten, produzieren, gekühlte Desserts
Phasenwechselmaterial (PCM) −10 °C to −21 °C oder 2–8 ° C Medium hold; wiederverwendbar; maintain precise temperature bands High unit cost; wiederverwendbar Temperaturesensitive medicines, Impfungen, Nebensaison

Wann jeweils ausgewählt werden sollte:

Use dry ice wraps when the product must stay below –10 °C; they deliver the longest hold time per liter and keep goods rock solid. Jedoch, they require hazardous labeling and careful venting.

Use gel packs for chilled shipments or when the product must not freeze; they are inexpensive, reusable and free of hazardous classification.

Use PCMs for precise temperature control or when reusability is critical; they avoid CO₂ handling but cost more per pack.

Hybridkombinationen: For long routes or sensitive items, combine a small dry ice wrap with PCM or gel packs. The dry ice provides an initial ultracold environment, while PCM buffers the temperature as the dry ice sublimates.

Sicherheits- und behördliche Anforderungen

Shipping with dry ice is safe when you follow regulations and good practices. These rules protect handlers and recipients from frostbite, asphyxiation and explosions.

Hazards and Safe Practices

Gefahr Risikobeschreibung Sicheres Üben / Nutzen
Direkter Kontakt Trockeneis hat eine Temperatur von −78 °C; touching it causes immediate frostbite. Tragen Sie isolierte Handschuhe und Augenschutz; use tongs or scoops to handle dry ice.
Erstickung CO₂ Gas verdrängt Sauerstoff, causing headaches or suffocation in confined spaces. Transport in belüfteten Bereichen; crack vehicle windows; never sleep in tents or enclosed spaces with dry ice.
Explosion Sealing dry ice in airtight containers builds pressure and can rupture packaging. Entlüften Sie Verpackungen immer; leave 10–15 % Kopfspace; never tape over vent holes.
Falsche Entsorgung Flushing dry ice down drains can freeze pipes or harm the environment. Lassen Sie übrig gebliebenes Trockeneis an einem gut belüfteten Ort, fern von Kindern und Haustieren, sublimieren.

Kennzeichnung und Dokumentation

Und 1845 und Klasse 9 Etikett: Mark packages containing dry ice “Carbon Dioxide, solide,” display the UN1845 identifier and state the net weight in kilograms..

Entlüftungsanforderung: Puncture holes or provide a vented lid to allow CO₂ gas to escape. Trockeneis niemals in einer luftdichten Box verschließen.

Dokumentation: Air waybills must reflect dry ice presence; carriers may require an International Special Commodities (ISC) contract and limit perpackage dry ice weight. UPS, Zum Beispiel, recommends compliance with 49 CFR 173.217 und IATA-Verpackungsanweisung 954.

Ausbildung: Anyone handling or packing dry ice must receive hazard awareness training. This includes understanding sublimation, sicheres Handling, Entsorgung und Notfallmaßnahmen.

Sizing and Cost: RealWorld Examples and Budget Considerations

Dry ice consumption and cost are influenced by insulation quality, ambient conditions and route length. Here are practical scenarios based on a retail price of $1.60–$3.00 per pound (0.45 kg).

Szenario Trockeneismasse & Formel Geschätzte Kosten Wegbringen
2day air shipment (EPS-Behälter) 6 Pfund × $1.80 = $10.80 Eis + $8 Gefahrgutgebühr + $3 Materialien ≈ $22.80 Gut für Online-Essenspakete; tight container reduces ice mass.  
4Tagesboden (gewellt) 18 Pfund × $1.60 = $28.80 Eis + $0–8 Gebühr + $3.50 Materialien ≈ $32–40 $ Thin walls require more ice; upgrading insulation may be cheaper than shipping extra weight.  
3Tagesluft, heiße Route 29 Pfund × $2.20 = $63.80 Eis + $8 Gebühr + $3.50 Materialien ≈ $75.30 Für extreme Hitzewellen, using vacuum insulation or hybrid packs may reduce ice mass and cost.  

MoneySaving Tips

Bulk buy with partners: Pool orders to get discounted rates from local suppliers.

Reuse wraps when possible: Dry the sleeve after each use; many commercial wraps last several shipments.

Kombinieren Sie Kühlmethoden: Use gel or PCM packs alongside dry ice to reduce total CO₂ and manage temperature overshoot.

Optimise box size: Kleiner, fully packed containers stay colder and require less dry ice.

Compliance and Regulatory Checklist

Verify that the total dry ice weight does not exceed carrier limits (oft 5.5 Pfund für Lufttransporte).

Use packaging that tolerates −78.5 °C and allows gas release.

Apply “Dry Ice (Und 1845)” labels and net weight; include sender, consignee and emergency contacts.

Ensure any accompanying shipping documents (air waybills, Erklärungen) reference dry ice and include hazard statements.

Schulung des Personals im sicheren Umgang, Entlüftung und Entsorgung.

Keep packages in ventilated areas during storage and transit; crack vehicle windows when transporting by car.

2025 Trends: Innovationen und Markteinblicke

The dry ice market is evolving quickly due to supply constraints, sustainability goals and technological advances. Hier erfahren Sie, was Sie erwartet 2025:

Technology and Materials

Fiberbased wraps with reflective films: New fiber composites provide radiant shielding without petroleumbased plastics, Ausrichtung an den Zielen der Kreislaufwirtschaft.

Aerogel and VIP liners: High Rvalue materials reduce heat ingress, enabling shippers to cut dry ice mass by up to 30 %.

Smart monitors and IoT: Affordable Bluetooth miniloggers and sensors track temperature and humidity in real time. Routeaware kitting tools automatically adjust dry ice quantities based on weather and transit time.

Hybridkühlsysteme: Combining dry ice with PCMs or gel packs allows staged temperature control, reducing CO₂ consumption while protecting sensitive products.

Automatisierung und Robotik: Highvolume packing lines now use robots to assemble wraps and fill boxes, improving consistency and reducing labor.

Sustainability and Supply

Erneuerbare CO₂-Quellen: Manufacturers are capturing CO₂ from bioethanol fermentation and carbon capture technology to create more sustainable dry ice..

Recyclable liners and takeback programs: Ecofriendly wraps made with biodegradable films and recyclable insulation are gaining traction.

Localised production: To address supply shortages (dry ice demand grows ~5 % jährlich, während die CO₂-Versorgung nur zunimmt 0.5 %), companies are building regional production hubs and emphasising justintime manufacturing.

Kundenerwartungen: Frozen ecommerce customers prioritise product integrity over low shipping fees. A onepoint reduction in claim rates pays for stronger dry ice wrap recipes across the board.

FAQs: Common Questions About Dry Ice Wraps for Frozen Shipments

Q1: How long will a disposable dry ice wrap keep my shipment frozen?
Hold times depend on sizing and conditions. In der Regel, planen 1.0–1.4 kg of dry ice per 10 L für 24 hours for warm routes. Proper toploading and venting can keep items below −10 °C for 24–72 hours.

Q2: Can I ship by air using a dry ice wrap?
Ja. You must label the package “Dry Ice (Und 1845), net ___ kg,” vent the container and comply with airline weight limits (oft 5.5 lb). Some carriers require an International Special Commodities contract.

Q3: Will dry ice affect the taste or quality of my food?
Dry ice is foodsafe when handled correctly, but it can make cardboard brittle. Always wrap the product in the dry ice sleeve and avoid direct contact between dry ice and food.

Q4: What is the best way to dispose of unused dry ice after delivery?
Place the remaining dry ice in a wellventilated area and allow it to sublimate naturally. Do not place it in sinks or enclosed containers.

Q5: How does a dry ice wrap compare to a PCM pack for pharmaceuticals?
PCMs deliver specific temperature bands (2–8 °C oder –20 °C) und sind wiederverwendbar; they avoid hazardous labels but cost more per pack. Dry ice wraps produce ultracold temperatures and are ideal for frozen goods but require hazmat compliance.

Zusammenfassung: Key Takeaways

Definition & Vorteile: Disposable dry ice wraps secure solid CO₂ in a reflective sleeve, delivering ultracold temperatures without melting. They produce no moisture and reduce the risk of pressure buildup.

Sizing Rule: Verwenden 0.8–1.9 kg of dry ice per 10 L für 24 Std. abhängig von den Umgebungsbedingungen. Always include a 10–20 % Puffer.

Verpackungsmethode: Inhalt vorkühlen, Hohlräume verkleinern, topload dry ice, vent the lid and label “UN 1845”.

Vorschriftenregulierung: Follow DOT/IATA rules, mark net CO₂ weight, provide ventilation and train staff. Air shipments are often limited to 5.5 LB Trockeneis.

Zukünftige Trends: Expect greener wraps, intelligentere Sensoren, hybrid cooling systems and renewable CO₂ sources to dominate in 2025.

Umsetzbare nächste Schritte

Bewerten Sie die Temperaturanforderungen Ihres Produkts: Does it need to stay below −10 °C? Wenn ja, a dry ice wrap is suitable; otherwise consider gel or PCM packs.

Measure your box: Calculate internal volume in litres and identify route temperature (leicht, warm or hot). Use the field rule to estimate required dry ice and add a safety margin.

Choose the right wrap format: Select slabs for long hauls, pellets for quick chill or scored sheets for irregular shapes.

Follow the packing steps: Vorkühlen, wrap the payload, topload dry ice, entlüften und beschriften. Record weight and train handlers.

Experiment and optimise: Run a data logger test on a challenging route. Compare hold time and claims with current methods. Use results to standardise recipes and refine kit sizes.

Über Tempk

Tempk is a cold chain solutions provider specialising in Isolierte Versandkartons, Trockeneiswickel, Gelpackungen und Phasenwechselmaterialien. Wir help food and lifescience brands deliver their products fresh and safe by developing Isolierung mit hohem R-Wert Und vented wraps that optimise dry ice use. Our team provides routebased packout testing and compliance support, ensuring your shipments remain frozen while meeting regulatory requirements. If you need tailored advice or custom packaging, Kontaktieren Sie uns für eine kostenlose Beratung.

Erhalten Sie einen kostenlosen Produktkatalog

Erfahren Sie mehr über unser komplettes Sortiment an isolierten Verpackungsprodukten, einschließlich technischer Spezifikationen, Anwendungsszenarien, und Preisinformationen.

Vorherige: Einweg-Trockeneisplatte für Insulin – 2025 Sichere Leitfaden Nächste: Biologisch abbaubare Trockeneisblöcke für den Tiefkühlversand – 2025 Führung
Brauche Hilfe beim Verpacken? Jetzt anfragen
Holen Sie sich ein Angebot