Dry Ice Pack Cells 36 Pack: Should You Upgrade Your Frozen Shipping?

Shipping frozen foods or biologics? UN dry ice pack cells 36 pack offers modular, –78 °C cooling that lasts 72 hours yet fits standard liners. This playbook shows you load formulas, gear choices, et 2025 rules so you never gamble with thaw risk again.

• How does a 36‑cell dry‑ice pack outperform loose pellets?

• How many packs do you need for 24‑, 48‑, and 72‑hour routes?

• Which coolers pair best with cell‑based dry ice in 2025?

• What safety, hazmat, and disposal steps keep teams compliant?

• How can you blend gel packs with 36‑cell units for hybrid lanes?

What Exactly Is a Dry Ice Pack Cells 36 Pack?

A 36‑cell dry‑ice pack is a perforated sheet of 36 mini blocks (≈ 25 g each) sealed in a breathable film that vents CO₂ while locking shape. Unlike loose nuggets, cells stay flat, stacking neatly to maximize surface contact and slash sublimation by ~12 %.

Typical specs:

How Many 36‑Cell Packs Do You Need?

Règle: one sheet per 1 kg frozen payload for 24 h; two sheets for 48 h; three for 72 h. Layer packs on top—cold sinks downward.

Pro Tip: Pre‑chill the box at –20 °C for 3 h to extend hold time 10–15 %.

Why Upgrade to 36‑Cell Packs Over Pellets?

• Uniform Cooling: Cells distribute –78 °C evenly, cutting hot spots.

• Faster Loading: Sheets slide in like pizza boxes—no scooping pellets.

• Cleaner Unboxing: End users handle a tidy sheet, not loose fragments.

• Lower Hazmat Weight: Modular sheets let you stay under the 2.5 kg airline exemption.

Field Example

A specialty gelato brand replaced pellets with five 36‑cell sheets per 4 kg order and dropped melt claims from 7 % to 1 % during 48‑h summer deliveries.

Cooler Pairing & Layering Tips

1. R‑Value ≥ 4 m² K/W doublures (aerogel or VIP) slow sublimation.

2. Use a corrugated spacer between product and ice sheet to curb freeze‑burn.

3. Fill voids with recyclable paper pads for best thermal efficiency.

Sécurité & Compliance: 2025 Checklist

• Label “UN 1845 Dry Ice” + net weight on two faces.

• Keep total dry ice ≤ 2.5 kg per box to skip full Class 9 docs.

• Vent area 20–30 mm²; the sheet’s film already micro‑vents CO₂.

• Wear loose, insulated gloves—contact frostbite occurs in < 5 s.

• Let leftover sheets sublimate in a well‑ventilated space; recycle film where accepted.

Following these steps meets 49 CFR and IATA PI 954 standards.

2025 Trends: Smarter, Greener Cell‑Based Dry Ice

• Brewery‑captured CO₂ now fuels carbon‑negative dry‑ice sheets, shrinking footprint 28 %.

• Bi‑directional NFC tags embedded in sheet corners log temperature and sublimation rate.

• Plant‑based films compost in 180 days without performance loss.

Market data shows modular dry‑ice packs gaining 11 % market share over pellets as e‑commerce frozen food booms.

FAQ

Can I reuse a 36‑cell sheet after it sublimates?
Yes—refill services reload CO₂ into returned films, cutting waste.

Do the cells sweat like gel packs?
No liquid; sheets sublimate directly to gas, keeping boxes dry.

Are 36‑cell sheets safe for air freight?
Under 2.5 kg per package with vented packaging is fully airline‑compliant.

Résumé & Étapes suivantes

Le dry ice pack cells 36 pack delivers flat‑pack convenience, consistent –78 °C cooling, and hassle‑free unboxing. Follow the load chart, pair with high‑R insulation, and watch spoilage drop below 2 % on 72‑hour lanes.

Action plan:

1. Estimate sheet count with our online calculator.

2. Request a sample set (5, 10, 15 sheets).

3. Run a lane test—share data for a 10 % reorder credit.

À propos

We engineer recyclable thermal solutions that beat bulky foam. Our AeroFlex™ liners and 36‑cell dry‑ice sheets keep cargo at –30 °C for 60 h yet fold flat for return shipping.

Need guidance? Book a free consult.