Cold-chain transport is a disciplined process that requires keeping the product within a defined temperature range from loading point to delivery. Incorrect temperature does more than damage product quality — it creates health risks in food, loss of efficacy in pharmaceuticals and economic damage in flowers and live plants. A well-designed refrigerated body is the strongest link in this chain.
The importance of insulation values
The first technical parameter that defines how good a refrigerated body is, is the heat-transfer coefficient (K-value) of its panels. High-density polyurethane panels (typically 40 kg/m³), used at 80–100 mm thickness, keep temperature fluctuations minimal even on long-haul export routes. Weak insulation makes the cooling unit run continuously and pushes fuel consumption up; strong insulation reduces consumption and improves temperature stability.
Inner surface and hygiene
In food and pharmaceutical transport, hygiene is as critical as the inner surface itself. Stainless steel or food-grade composite-clad surfaces must withstand disinfectants and high-pressure water during cleaning. A well-designed refrigerated body has rounded corners and well-positioned drainage — leaving no residue after washing.
The cold chain is most often broken at vehicle door openings. That is why door-seal quality and air-circulation channel design are critical success factors. Logistics & Cold Chain Bulletin
Standards compliance
For international acceptance of refrigerated bodies, certain certifications are required:
- ATP FRC: the mandatory classification under the international cold-chain transport agreement.
- HACCP: process traceability — particularly important in food transport.
- CE: European conformity mark.
- GDP: Good Distribution Practice guideline for pharmaceutical transport.
Temperature ranges by cargo type
Knowing which load needs which range is the foundation of the investment decision:
- Fresh fruit and vegetables: +2 °C / +8 °C
- Frozen food: -18 °C and below
- Ice cream: -25 °C
- Pharmaceuticals (general): +2 °C / +8 °C
- Chocolate and confectionery: +15 °C / +18 °C
In summary
When investing in a refrigerated body, total cost of ownership matters as much as price. A body with good insulation, a quality inner surface and standards compliance delivers years of savings and product safety. At ARAT, we offer refrigerated body solutions tailored to your cargo and route.