PU Insulation Sandwich Panels

Company information

Changzhou New Star Refrigeration Co., Ltd. is an ISO9001:2000 certificated manufacturer of cold rooms with more than 10 years experience.

The factory is located in Changzhou city, Jiangsu province, and 1 hour by train from Shanghai only. There are 2 production lines, with an annual output of 350,000~ 400,000 SQM PU sandwich panels, 5000pc cold room doors, and 30,000 meters aluminum tubes.

We also provide various types of door locks, branded refrigeration units, air coolers, digital control cabinets, cooling towers, air curtain machines, expansion valves and other related refrigeration accessories.

Features and advantages

1.  Concavo convex structure

Panels are joined together by means of tongue and groove and locked together by cam- lock on each side of the panel to ensure air tight joints. There’s no need of rivets, thus reduce the cost and save the time.

2. Easier and faster installation,can be expended or removed in the future.

3. Perfect heat insulation

High density thermo insulated PUR foam up to 38kg/m³or above for perfect cold-room heat insulation efficiency.

4. Various surface steel choices.

Color steel sheet/Stainless steel sheet/ Embossed aluminum sheet

The standard metal sheets are all smooth. Standard color of steel sheet is white-gray, others are natural metallic.

5. Low flammable

Low flammable PUR foam is used in the cold room panel, with fire retardant B2 grade.

6. Highly hermetical

Silica gel are used on the panel edge of the joint parts of each sandwich panel to ensure perfect sealing to avoid the cooling air leakage from the cool room or moisture inside the PU insulated panel for the best refrigeration and frozen storage result.

7. Load bearing

The compressive strength is150kpa above, people can walk on the floor panels and allow trolleys can go in and out.

Polyurethane sandwich panels:

Installation steps

Cold room with pu panels:

PU panel door:

CE & ISO:

Factory view:

Any questions, don't hesitate to contact us!