Cual 24-Paquete de hielo seco de células Fits Your Container Best?

Elegir el derecho 24-paquete de hielo seco celular can make or break your shipment’s success. Within the first few minutes of reading, you’ll know exactly how to size, embalar, and handle dry ice sheets—no guesswork. A single 24-cell sheet typically cools 5–8 L of container space for 24 horas, but proper planning can double that duration while reducing waste and ensuring safety.

Identify the best dry ice pack size and number of 24-cell sheets for any container.
Estimar peso del hielo seco (5–10 lb/día) para carriles congelados.
Seguir safe packing and venting práctica.
Aprender estrategias de enfriamiento híbrido para la rentabilidad.
Aplicar 2025 tendencias in smart packaging and eco-design.

How many 24-cell dry ice packs do you need?

Comenzar con 1 sheet per 5–8 L of internal volume for ~24 hours of hold time. Por un 20 L remitente, use three sheets; para 30 l, four sheets. Each sheet delivers roughly 8–12 hours of chilled performance—extend by wrapping around the payload or combining with solid CO₂.

Volumen del contenedor (l)	Hojas de inicio	Retención típica (enfriado)	Lo que esto significa para ti
5–10	1	8–24 H	Small mailers or compact boxes
15–20	2–3	24–48 H	La mayoría de los paquetes de alimentos o productos farmacéuticos con DTC
25–30	3–4	36–60 horas	Grandes cargas útiles que necesitan margen adicional
40+	4–6	48–72 h	Extended lanes or high ambient routes

Regla rápida: Add one sheet for every extra 24 hours of shipping or every +10 °C ambient increase.

Fast sizing formula (for SOPs)

Ejemplo:
A 20 L insulated box on a 36 h route in summer:
20 L ÷ 7 ≈ 3 hojas + 1 (clima caluroso) = 4 total.

How does insulation affect your dry ice pack count?

Cuanto mejor sea el aislamiento, the fewer packs you need. EPS foam maintains cold longest, while cardboard liners need extra help.

Tipo de contenedor	Insulation Rating	Hielo seco recomendado	Real-World Insight
EPS (Espuma de poliestireno)	Excelente	5 lb / 24 h	Ideal for biopharma & alimentos congelados
Plastic Crate	Bien	6–7 lb / 24 h	Works for DTC food delivery
Cartulina + Transatlántico	Moderado	8–9 lb / 24 h	Add 1–2 sheets for warm lanes

Consejo: Pre-chill your box before packing. Cold walls keep sheets efficient.

How to calculate dry ice weight for frozen shipments

Para carriles congelados (−20 °C or colder), usar hielo seco de CO₂ sólido measured by weight:

Fórmula:
Dry Ice (lb) = Hold Days × 7.5 (lb/day) × (1 + 0.2 reserve)

Ejemplo: 2 días × 7.5 = 15 lb + 20% = 18 libras totales.

Tener tiempo	Tight EPS Shipper	Typical Cooler	Loose Cooler
24 h	5 lb	7.5 lb	10 lb
48 h	10 lb	15 lb	20 lb
72 h	15 lb	22.5 lb	30 lb

Usar el lower end for dense EPS foam and the higher end for thinner boxes or hot climates.

When to use 24-cell sheets vs. Co₂ sólido

Caso de uso	Mejor refrigerante	Por qué funciona	Watch Out For
0–8 °C chilled goods	24-paquete de hielo seco celular	Flexible, no peligrosos, reutilizable	Tiempo de espera más corto
≤ −20 °C frozen lanes	Co₂ sólido (hielo seco)	Frío profundo, larga duración	Requires labeling & desfogue
36–60 h mixed loads	Hybrid setup	combinar hojas + small CO₂ slab	Needs training & COMPENSACIÓN

Caso del mundo real: A biotech shipper swapped block ice for 24-cell sheets in EPS boxes and cut spoilage 22% while reducing packing time 40%.

Safe packing SOP for 24-cell dry ice sheets

Hidratar completamente in warm water until bubbles stop.
congelar plano for 24–48 h at ≤ −18 °C.
Prehillado both product and shipper.
Envoltura & tapa: line sides and top for 360° coverage.
Ventile adecuadamente—never seal solid CO₂ airtight.
Usar guantes to avoid frost burns.
Etiqueta ONU 1845 if any solid CO₂ is included.

Estudio de caso: A meal-kit brand reduced summer warm-arrival issues by one-third after adopting wrap-and-cap packing.

2025 tendencias en envasado de hielo seco

The cold chain industry is embracing elegante, sostenible, and hybrid designs:

Reusable cut-to-fit sheets reduce waste and trim along seams.
Precision sublimation control improves CO₂ efficiency (3–8% loss/day).
Sensores de temperatura inteligentes send alerts for temperature excursions.
Paquetes híbridos mix sheets + CO₂ slabs for cost-balanced performance.

Insight del mercado: Brands adopting seasonal validation logs have cut spoilage 30–60% while lowering material waste.

Preguntas frecuentes

Q1: Is a 24-cell dry ice pack the same as solid dry ice?
No. 24-cell packs are polymer sheets cooling near 0 °C; solid CO₂ reaches −78.5 °C.

Q2: How long does one 24-cell sheet last?
Around 8–12 hours per sheet; wrap with 2–4 sheets for 24–36 hours.

Q3: ¿Puedo volar con hielo seco??
Sí-≤ 2.5 kilos (5.5 lb) per passenger with venting and UN 1845 calificación. Cargo follows Aquí está Pi 954 for higher limits.

Q4: ¿Puedo reutilizar paquetes de hielo seco??
Hydrated polymer packs can be refrozen; solid CO₂ cannot—it sublimates to gas.

Q5: What’s the safe way to dispose of leftover dry ice?
Let it sublimate in a ventilated area—never seal or dump in sinks.

Resumen & recomendaciones

Usar one 24-cell sheet per 5–8 L of volume for 24 h chilled control.
Add 30–40% for longer or hotter shipments.
Usar 5–10 lb/día of solid CO₂ for frozen lanes.
Siempre respiradero, etiqueta, y monitor temperatura.
Validate every lane with a two-box PQ test.

Siguiente paso: Mide tu contenedor, apply the formula, and test one shipment. For precise results, request a free packout review from Tempk’s specialists.

Acerca de Tempk

Ingenieros de tempk validated cold chain solutions—from flexible 24-cell dry ice sheets to hybrid CO₂ packouts. Our systems are tested for real-world lanes across food, farmacéutico, y logística biotecnológica. Nos enfocamos en actuación, seguridad, y sostenibilidad, helping clients reduce spoilage and cost while meeting all IATA PI 954 y ONU 1845 requisitos.

Hablar con nosotros for a lane-specific dry ice strategy or a print-ready SOP today.