حزم الثلج الجاف coles (2025): The Definitive Buyer & دليل الشحن

ماذا "dry ice packs Coles” really means in 2025

• In‑store reality: Coles lists هلام/طوب الجليد and slim “ice walls”—handy for lunchboxes and small coolers—not solid CO₂. مثال: Smash Gel Ice 3‑pack.

• Where to buy real dry ice: For CO₂ (−78.5 درجة مئوية) يختار BOC ICEBITZZZ™ pellets/boxes or Supagas blocks/pellets.

• Why the mix‑up: Shoppers often use “dry ice pack” to mean any cold brick; supermarkets stock هلام/PCM, بينما كوك جاف الثلج الجاف is a regulated refrigerant. Dry ice’s sublimation point is ~−78.5 درجة مئوية.

Editor’s note for your team: this section aligns with—and replaces overlapping passages across your three drafts to avoid duplication and keyword stuffing.

Choose the right refrigerant (quick picker)

• Picnics & يتم تشغيل البقالة: بيع بالتجزئة gel bricks from Coles, Bunnings, إلخ. → simple, قابل لإعادة الاستخدام, low hazard.

• 2-8 درجة مئوية الممرات (مجموعات الوجبات, فارما): يستخدم +5 ° C PCM for narrow‑band control (less freeze damage risk than 0 °C gels).

• Frozen or long‑haul: يستخدم −16 °C PCM أو كوك جاف الثلج الجاف (ultra‑cold, لا الذوبان). Always provide تنفيس and PPE.

Why +5 °C PCM > standard gel for 2–8 °C: WHO guidance and vendor specs show PCMs can be formulated to change phase right around 5 °C, keeping payloads in range more reliably than 0 °C gel packs.

Gel/PCM vs. CO₂ dry ice — at a glance

For consumer cooler use, recent testing shows gel designs often outperform plain water blocks for hold time, while hard bricks win for durability.

Sizing calculator (copy‑paste ready)

مثال (رحلة اليوم): 28 L cooler for 24 h, tightly packed → (28/3.5) × 1 × 1.0 ≈ 8 “mini bricks” or 2–3 medium hard bricks.
مثال (frozen 36 h): 35 L shipper → (35/3.5) × 1.5 × 1.0 ≈ 15 minis; substitute 3–4 low‑freeze PCMs + side sheets.
This calculator carries over from your internal draft; I’ve standardized notation and added examples for clarity.

Dry ice rule‑of‑thumb (المجمدة): ~5–10 kg per 24 h per 30–40 L at room temp; blocks last longer than pellets. Always validate with your insulation and opening profile.

15‑minute pack‑out (works for Coles gel, Tempk PCM, أو الجليد الجاف)

1. شرط مسبق: Freeze gels solid; condition PCM to its setpoint; bag dry ice with paper to reduce flash‑freezing. WHO recognizes gels, PCMs and dry ice as valid coolants in passive systems.

2. خط & layer: Reflective liner → bottom layer of packs → payload centered with small side gap → top layer of packs.

3. تنفيس & يؤكد (الثلج الجاف): Ensure a vent path- لا يوجد محكم. ملصق “Dry Ice/UN1845” مع صافي كجم.

4. Record start time and ambient; use a probe/indicator when possible.
   These steps harmonize the strongest how‑to elements across your three drafts.

Flying with dry ice in 2025 (Australia & beyond)

• Global baseline (IATA 66th/2025): حتى 2.5 kg per passenger, package must الرياح co₂, and checked baggage must be marked جاف الثلج/ثاني أكسيد الكربون, صلب مع وزن صافي (or “≤ 2.5 kg”).

• Airline examples: Qantas & Virgin show 2.5 كجم limits and venting/marking in their public pages; Jetstar materials show the same limit in DG lists. Always declare at check‑in.

أمان 101 (print for the packing bench)

• PPE: معزول cryogenic gloves + حماية العين; avoid bare‑hand contact.

• تهوية: Work in a تهدأ جيدا area; never store in airtight containers (pressure/oxygen risk).

• Food safety basics: Keep cold food ≤ 5 °C, حار ≥ 60 °C; apply the 2‑hour/4‑hour rule for brief hand‑offs outside refrigeration (FSANZ, May 22 2025).

Where to actually buy in Australia (2025)

• Supermarket bricks (everyday): Coles listings (على سبيل المثال, Smash® Gel Ice 3‑pack; Willow® bricks) for day use.

• الجليد الجاف (frozen lanes): BOC ICEBITZZZ™ (pellets/boxes) و Supagas (blocks/pellets/slices). Check lead time and pellet diameter.

Why businesses graduate from “dry ice packs Coles” to Tempk

Tempk is engineered for التحقق من صحة, قابل للتكرار cold‑chain results: precise PCM setpoints (−16 °C / −5 °C / +5 درجة مئوية), lane‑based pack plans, and documentation aligned with IATA 2025 acceptance checks—so you reduce excursions and pass airline acceptance first‑time. This positioning merges your drafts’ value props into a single buyer‑focused section.

الأسئلة الشائعة

س 1: Does Coles sell “real” dry ice?
لا. You’ll mostly find gel bricks/ice walls at Coles. For solid CO₂, use BOC or Supagas.

Q2: What should I use for 2–8 °C shipments?
يستخدم +5 ° C PCM rather than 0 °C gel to avoid accidental freezing and hold a tight band.

س 3: Can I fly with dry ice?
نعم-2.5 kg per passenger, تغليف التهوية, أعلن في الشيكات, and marked with UN1845 + صافي كجم.

س 4: Do gel packs last as long as dry ice?
لا. Dry ice is far colder (−78.5 درجة مئوية). That said, controlled tests show gel designs are excellent for coolers when pre‑chilled