Insulated Dry Ice Pack Sheet: What Should You Use?

إذا قمت بشحن البضائع المجمدة, و insulated dry ice pack sheet helps you hold −78.5°C longer, cut sublimation loss, and pass audits. You’ll learn how to size an insulated dry ice pack sheet for 24–72‑hour lanes, pack to IATA PI 954/UN1845 rules, and choose materials that actually lower claims. Dry ice sits at −78.5°C; mis‑packing raises risk and cost.

اختر الحق insulated dry ice pack sheet للطعام, البيولوجيا, or lab reagents (long‑haul frozen shipping).
Calculate dry ice quantity using a quick planning method (5-10 رطل لكل 24 h as a baseline).
Pack safely and compliantly (UN1845 مارك, فصل 9 ملصق, تنفيس, 2.5 kg passenger limits, باي 954).
Reduce claims by pairing your insulated dry ice pack sheet with better liners (VIP vs. bubble vs. EPS).

What is an insulated dry ice pack sheet, and when should you use it?

و insulated dry ice pack sheet is a flexible, cut‑to‑fit pad that lines products or voids to slow heat gain and dry ice loss. It wraps around items, adding a thin thermal barrier so your dry ice works longer without adding bulk or weight. Use it when you need −78.5°C stability through sort centers, door swings, or delays.

In plain terms: dry ice keeps things frozen; the insulated dry ice pack sheet helps the dry ice keep its رائع. It’s like a scarf around a thermos—less heat sneaks in, so less CO₂ “evaporates.” Choose it for frozen meats, بوظة, tissue samples, or lane trials that push past 24 ساعات.

How does an insulated dry ice pack sheet compare to liners?

The insulated dry ice pack sheet is a local, product‑hugging layer; a box liner (EPS, reflective bubble, أو VIP) lines the entire shipper. Bubble wraps typically deliver ~R‑1 per 3/8″ without sealed air spaces; VIP panels deliver far higher R‑values per inch. Use both when lanes are long or ambient heat is high.

اختيار العزل	Typical build	R‑value signal	ماذا يعني لك
Reflective bubble	رقائق + bubbles	Often ~R‑1 per 3/8″ unless air space is perfect	Fine for short hops; don’t expect miracles in summer.
EPS foam liner	Molded foam	~R‑3.5 to R‑4.2 per inch	Cost‑effective baseline for day‑definite deliveries.
بطانة VIP	Vacuum panel	~R‑25 to R‑50 per inch reported	Maximizes runtime; slim walls protect payload volume.

نصائح عملية & نصيحة

For 24–48 h lanes: pair an insulated dry ice pack sheet with EPS.
For 48–72 h lanes or hot routes: add VIP lid/walls زائد the insulated dry ice pack sheet near the product core.
For laboratory vials: wrap vials with the insulated dry ice pack sheet, then backfill voids with dry ice nuggets.

حالة العالم الحقيقي: A frozen dessert shipper added one insulated dry ice pack sheet around pint clusters and swapped to VIP lid only. Sublimation fell by “about a third” on a 48 h lane, cutting replacement dry ice by ~6 lb per box and halving melt complaints.

كيف تحجم insulated dry ice pack sheet لمدة 24-72 ساعة?

إجابة قصيرة: ابدأ بـ 5– 10 رطل من الثلج الجاف لكل 24 ساعات in a well‑insulated cooler, then trim or add based on ambient, مكعب, and liner R‑value. An insulated dry ice pack sheet reduces the required margin because it slows product‑side heat leak.

Why that range works: Dry ice sublimates faster with warm air, repeated openings, and low‑R packaging. UPS and multiple industry sources cite 5–10 lb per day as practical guidance; better insulation pushes you to the lower end.

A 2‑minute planning method (copy‑and‑use)

Pick a baseline: 7 lb/24 h.
Adjust for insulation:
- Bubble/EPS only: +20%
- EPS + insulated dry ice pack sheet: 0%
- VIP + insulated dry ice pack sheet: −20%
Adjust for ambient:
- Cool (≤20°C): −10%
- حار (30–35°C): +25%
- Very hot (≥35°C): +40%
Multiply by days (include buffers for weekends/weather).
Round up to nearest 1 رطل أو 0.5 كجم.

مثال: 48 h route, EPS + insulated dry ice pack sheet, hot 33°C.
7 رطل × (1.00) × (1.25) × 2 = 17.5 رطل → round to 18 رطل الثلج الجاف.

نصيحة: A tighter product wrap with the insulated dry ice pack sheet can drop your starting point toward 5 lb/24 h in good liners. Verify with a lane qualification test.

How do you pack with an insulated dry ice pack sheet بأمان (ها هو بي 954 / UN1845)?

The essentials: علامة "الجليد الجاف" أو "ثاني أكسيد الكربون, صلب,” plus UN1845 و وزن الثلج الجاف الصافي (كجم) على الجانبين; تطبيق أ فصل 9 تسمية الخطر; يستخدم تغليف التهوية; and keep the package ≤200 kg dry ice per piece للشحن الجوي. For passengers, the limit is 2.5 kg per person بموافقة شركات الطيران.

Packing steps (simplified):

ما قبل الشاحن; load product wrapped in the insulated dry ice pack sheet.
Add a vent path (never airtight); dry ice must vent CO₂ gas.
ضع الجليد الجاف around and on top of the wrapped product to create a cold dome.
يغلق, ملصق, and document (UN1845; net dry ice kg; فصل 9). أمتعة الركاب: 2.5 kg limit, marked and vented.

Why venting matters: غاز CO₂ يحل محل الأكسجين; OSHA’s TWA limit is 5,000 جزء في المليون, بينما 40,000 جزء في المليون is an IDLH level. Keep areas ventilated and consider CO₂ monitoring where you stage multiple boxes.

Will an insulated dry ice pack sheet reduce sublimation costs?

Yes—by reducing heat leak at the product interface, an insulated dry ice pack sheet can push you toward the lower end of the 5–10 lb/24 h consumption band. In real lanes, that often removes 2–6 lb per box and frees payload space for revenue.

Sublimation isn’t “waste”—it’s the cooling engine. But if heat reaches product surfaces too easily, dry ice burns down faster. By adding a targeted layer, the insulated dry ice pack sheet lowers peak heat flux during the first hours (when products are warmest) and during handoffs. You’ll still qualify each lane, but the sheet is a low‑cost lever before you jump to VIP.

Quick A/B test plan you can run this week

أ (control): EPS liner + dry ice only.
ب (امتحان): Same loadout + insulated dry ice pack sheet حول الحمولة.
سجل: Dry ice start/end weights, product core temps, ملف تعريف المحيط.
Win condition: ≥15% less dry ice consumed with equal or better product temps.

Actual example: A vaccine courier added an insulated dry ice pack sheet and switched dry ice from pellets to blocks + top‑off pellets. Runtime improved by ~12 hours; CO₂ monitor alarms stopped triggering in the staging room due to fewer lid lifts. (Keep CO₂ within OSHA 5,000 جزء في المليون TWA; IDLH is 40,000 ppm.)

Material choices for your insulated dry ice pack sheet: What works in 2025?

Reflective bubble sheets are thin and cheap but deliver modest R‑values unless paired with sealed air spaces. لوحات VIP deliver unmatched R‑per‑inch, helping you downshift dry ice mass. Hybrid builds place an insulated dry ice pack sheet around the product and use EPS walls plus a VIP lid to control budget.

Starter decision guide (سريع)

طرد صغير, 24-48 ح, حرارة معتدلة: EPS walls + insulated dry ice pack sheet (product wrap).
48–72 h or hot lanes: EPS walls + VIP lid + insulated dry ice pack sheet.
البيولوجيا عالية القيمة: Full VIP set + insulated dry ice pack sheet + data logging.

Safety notes you can actually use

يتذكر: dry ice is −78.5°C and can cause frostbite; never seal it airtight; label correctly; ventilate staging areas; monitor CO₂ if you stage pallet quantities. للشحن الجوي, ≤200 kg per package تحت بي 954 with correct marks/labels; for passengers, ≤2.5 كجم per person with airline approval and venting.

One‑line checklist: "UN1845 + ‘Dry Ice/Carbon Dioxide, solid’ + صافي كجم + فصل 9 + تنفيس + no sealed tubs.”

Troubleshooting shipments with an insulated dry ice pack sheet

مشكلة: product temp rose near delivery.
يصلح: Add top‑load dry ice and keep the insulated dry ice pack sheet snug against product faces (تقليل الفراغات).

مشكلة: courier rejected due to labels.
يصلح: Print UN1845, فصل 9, and net kg on two sides; ensure the sheet and box don’t obstruct labels.

مشكلة: CO₂ alarm in staging.
يصلح: Increase ventilation; stage fewer boxes; minimize lid‑open time; keep OSHA 5,000 ppm TWA in mind; IDLH is 40,000 جزء في المليون.

2025 regulatory and market updates that impact your choice

Traceability & inspections: FDA’s FSMA 204 traceability rule still shows a يناير 20, 2026 compliance date in the final rule, but in Aug 2025 the FDA مقترح أ 30‑month extension to July 20, 2028; routine inspections won’t start until 2027. Plan records and labels now, even if enforcement phases in later.

Air rules: IATA’s current materials reaffirm باي 954 متطلبات (وضع العلامات, تنفيس, ≤200 kg per package للشحن الجوي). For passengers, 2.5 كجم per person with airline approval and marks remains the norm.

Supply/demand context: Dry ice demand remains strong; market analyses point to continued growth, while CO₂ sourcing sees regional constraints and new capture projects (RNG, صناعي). Expect spot price swings; build margin in your load plans.

أحدث التطورات في لمحة

FSMA 204 timeline: Proposed extension to يوليو 20, 2028 for compliance; routine inspections in 2027. ماذا يعني: more time to digitize traceability without pausing packaging upgrades.
باي 954 قائمة التحقق من القبول (2026): Clear call‑outs for UN1845 marks, ≤200 kg لكل حزمة, والتنفيس. ماذا يعني: build standard work around a single page.
High‑performance liners: VIP R‑values per inch help cut dry ice mass while preserving payload volume. ماذا يعني: pair VIP lid/panels with your insulated dry ice pack sheet for 48–72 h lanes.

نظرة السوق: PCMS (مواد تغيير المرحلة) keep gaining traction for refrigerated (+2 to +8°C) الممرات; ل المجمدة lanes you’ll still rely on dry ice, but hybrid boxes (PCM pre‑cool + dry ice kick) smooth temperature curves and reduce fogging.

Interactive chooser: do you need an insulated dry ice pack sheet?

If your lane ≥ 36 ساعات أو ambient ≥ 30°C → Use it.
If you’ve had frost‑burn or cold spot damage → Use it to buffer product faces.
If claims come from late stops → Add a sheet + تحميل علوي للثلج الجاف.
If payload volume is tight → Use sheet + VIP lid instead of thicker foam.

كيفية حزمة (HowTo) مع insulated dry ice pack sheet

حالة the shipper and product to freezer temps.
Wrap the payload snugly with the insulated dry ice pack sheet; tape edges if needed.
مكان dry ice blocks below and pellets above to form a cold canopy.
تنفيس: never airtight.
علامة & ملصق: UN1845, اسم الشحن الصحيح, صافي كجم, فصل 9.
Document on air waybill (count × net kg).

التعليمات

س 1: كم عدد insulated dry ice pack sheet layers do I need?
ابدأ مع one layer directly touching the product faces. For long lanes or hot routes, add a second layer on the lid side where heat enters fastest.

Q2: كم من الثلج الجاف في اليوم الواحد?
خطة على 5-10 رطل لكل 24 ح in well‑insulated shippers; your insulated dry ice pack sheet helps you lean toward the low end. Test and document.

س 3: Is passenger baggage allowed with dry ice?
نعم-2.5 كجم (5.5 رطل) لكل راكب, vented and properly marked; airline approval is required.

س 4: Do I still need a Class 9 label and UN1845 text?
Yes—mark "الجليد الجاف" أو "ثاني أكسيد الكربون, صلب,"UN1845, و صافي كجم على الحزمة, and apply a فصل 9 ملصق.

س 5: Is bubble wrap enough insulation?
Often not by itself; typical effective R‑values are low without sealed air gaps. Combine it with EPS or VIP and an insulated dry ice pack sheet around the product.

س6: What about CO₂ safety limits?
Follow OSHA 5,000 جزء في المليون TWA and note IDLH 40,000 جزء في المليون. Ventilate staging rooms and avoid airtight boxes.

ملخص & التوصيات

الوجبات الرئيسية: استخدم insulated dry ice pack sheet to cut heat leak at the product, which lowers dry ice consumption toward 5-10 رطل/24 ساعة. Pack and label to UN1845 + فصل 9, vent for safety, and use VIP/EPS liners as the route demands. Size with a simple model, then verify in lane tests.

الخطوات التالية (افعل هذا الآن):

Qualify one lane with/without an insulated dry ice pack sheet.
توحيد PI‑954 marks and venting across pack‑outs.
الحجم الأيمن العزل: add a VIP lid if routes exceed 48 ح.
شاشة CO₂ in staging zones and keep records for FSMA/quality.

حول Tempk

We are a cold‑chain packaging team focused on reliable frozen performance with fewer moving parts. Our insulated dry ice pack sheet is engineered to hug product faces, reduce early heat spikes, and simplify IATA/UN labeling workflows. We back pilots with data logging templates and right‑sizing advice so you can hit temperature targets while lowering total cube and cost.

دعوة إلى العمل: Ready to qualify your lane? Start a quick pilot with our insulated dry ice pack sheet and a sizing plan tailored to your route.