Yantai Huansu Packaging Co., Ltd.

Yantai Huansu Packaging Co., Ltd. Yantai Huansu Packaging Co., Ltd.

is a packaging manufacturing enterprise integrating raw material processing, production research and development, and finished product packaging.

✅ Key Functions of Cold Chain Thermal BagsCore Principle: They do not generate cold on their own; instead, they utilize ...
27/08/2026

✅ Key Functions of Cold Chain Thermal Bags

Core Principle: They do not generate cold on their own; instead, they utilize a multi-layer insulation structure (aluminized film + EPE foam/bubble wrap) to slow down heat conduction, convection, and radiation. When paired with ice packs or phase-change materials (PCM), they maintain a stable internal temperature.

1. Cold Retention (Most Common Use)
Retards the loss of cold air and blocks external heat, maintaining a low-temperature environment to prevent frozen goods from melting, fresh food from spoiling, and pharmaceuticals from losing efficacy.
Applications: Seafood and meat, ready-to-eat meals, ice cream, vaccines, biological reagents, blood samples, etc.

2. Heat Retention (Thermal Insulation)
Retains heat, making them suitable for keeping cooked foods and hot meals warm during delivery.

3. Cushioning and Protection
The inner EPE foam or bubble layer offers elasticity, providing shock absorption and crush resistance during transport. It also offers waterproofing and moisture resistance, preventing condensation from leaking and damaging the goods.

4. Cost-Efficiency and Lightweight Design
Lightweight and foldable, they save more space compared to rigid foam boxes. Available in both disposable and reusable versions, they are widely used in foreign trade and fresh food e-commerce shipping.

5. Compliance Assurance
Ideal for temperature-sensitive products such as pharmaceuticals and fresh exports; meets short-haul cold chain temperature control requirements, reducing cargo damage and avoiding quality-related disputes.
WhatsApp: +86 13081623556
Email: [email protected]
Website: www.hannplasticpacking.com

EPE, IXPE, and EVA foam solutions: custom-designed inserts, trays, and films. Factory-direct pricing. Made in China.Cont...
25/08/2026

EPE, IXPE, and EVA foam solutions: custom-designed inserts, trays, and films. Factory-direct pricing. Made in China.
Contact us today: WhatsApp: +86 13081623556
Email: [email protected]
Website: www.hannplasticpacking.com

Looking for ways to save on labor costs?Professional Packaging SolutionsEPE, IXPE, and EVA foam for the electronics, mac...
17/08/2026

Looking for ways to save on labor costs?
Professional Packaging Solutions
EPE, IXPE, and EVA foam for the electronics, machinery, and packaging industries.

EPE, IXPE, and EVA foam solutions: custom-designed inserts, trays, and films. Factory-direct pricing. Made in China.
Contact us today:
Hotline/WhatsApp: +86 13081623556
Email: [email protected]

Address

No. 36, Shandong Road, Zangjiazhuang
Yantai
264000

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