عبوات ثلج جافة لشحن العناصر القابلة للتلف
عبوات ثلج جافة لشحن العناصر القابلة للتلف: 2025 Guide If you need shipments to arrive frozen and compliant, dry ice packs for shipping perishable items are still the gold standard. Dry ice sits at −78.5 °C and, sized correctly, holds frozen temps for 24–96 hours without meltwater. Use 5–10 lb per 24 hours as your baseline, then adjust for insulation and season. This guide gives you exact math, UN1845 labels, and when to switch to −20 °C PCMs to protect sensitive goods. Right‑size coolant: apply the 5–10 lb/day rule for dry ice packs for shipping perishable items with a simple buffer. Pack and label correctly: UN1845, صافي كيلوغرام, تنفيس, and acceptance checklists that slash counter rejections. Pick the right tech: when −20 °C PCMs or VIP shippers beat dry ice packs for shipping perishable items on long lanes. Stay current in 2025: USPS ≤ 5 lb rules, IATA acceptance updates, and FSMA 204 timing signals. How many dry ice packs for shipping perishable items do you need? إجابة قصيرة:...