Reliable Ice Pack Manufacturer for Cold Chain

Eiskackhersteller: The Backbone of Every Cold Chain

When a box of vaccines, Steaks, or fresh salmon travels across the country, the hidden hero that keeps it safe is often a simple ice pack. Behind that pack is an ice-pack manufacturer—an industry partner who designs, fills, and tests each coolant so your product stays inside its approved temperature window from the warehouse to the customer’s door.

What Does an Ice-Pack Manufacturer Actually Do?

1. Mix the Cooling Formula
   Instead of plain water, most modern packs use a thick gel or a phase-change material (PCM). By fine-tuning the melt point, the factory makes a pack that can hold 0 °C, –5 °C, or even –20 °C for many hours.

2. Build a Tough Outer Shell
   Shells are blow-molded or injection-molded from food-grade HDPE or flexible PE. Good tooling and clean seams stop leaks and give the pack strength to survive rough handling.

3. Fill and Seal with Precision
   Robots fill each pack to the exact gram, then heat-seal or ultrasonic-seal the cap. Camera systems kick out any pack that looks swollen or under-filled.

4. Test for Quality
   Labs inside the plant run freeze–thaw cycles, drop tests, and pressure checks. This makes sure every batch meets ISO and food-safety rules before it ships.

5. Keep It Green
   Leading factories use recycled plastic, capture water for reuse, and offer take-back programs so old packs can be cleaned and refilled instead of ending up in landfills.

Why Picking the Right Factory Matters

A well-made ice pack keeps cargo in spec, slashes spoilage costs, and protects your brand’s reputation. A poor pack can leak gel, warm up too fast, and ruin an entire pallet. Choosing a proven manufacturer is therefore a risk-management decision, not just a price comparison.

Tempk: A Manufacturer You Can Trust

• High-Efficiency Core – Tempk’s proprietary PCM holds 2 - - 8 °C nearly twice as long as standard gel packs.

• Strong, Safe Shells – Puncture-resistant HDPE is certified food-grade and 100 % recycelbar.

• Rigorous Testing – A CNAS-accredited lab in Shanghai runs 24/7 thermal, drop, and leak tests so every lot ships with a digital quality report.

• Flexible Capacity – Multiple ISO-certified plants across China let Tempk ramp production quickly during vaccine season or holiday peaks.

• Eco Focus – Closed-loop recycling and a customer take-back scheme can cut single-use plastic waste by up to 70 %.

• Innovation Track Record - - 30+ global patents cover PCM chemistry, RFID tracking, and reusable shell design.

By partnering with Tempk, shippers gain a reliable, eco-friendly coolant that keeps food, pharma, and biotech cargo safe—mile after mile, cycle after cycle.