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PIR Panels Technology

Ribbing: Various ribbing styles are available

PIR panel ribbing0818

Rabbet: TOPOLO patented rabbet joint is waterproof and convenient for the sealing and gluing of PIR panels. It can save energy and extend the lifespan of reefers, fridges, and other end products.

PIR panel rabbet0818

Jointing: The joints of TOPOLO PIR panels are free from sealing agents like brown paper and non-woven fabric. The PIR foam from two panels contacts directly, which ensures the best insulation performance.

PIR panel jointing0818

Bonding: We have an advanced gluing system and patented equipment to support the bonding quality between PIR foam and the panel skin.

PIR panel bonding0818

The pretreatment of corona on the panel skin also strengthens the adhesion of the skin with the foam.

Panel Thickness

Ready-made thickness: 50mm, 75mm, 100mm, 125mm, 150mm, 180mm, 200mm, 250mm. TOPOLO can also customize the thickness to your requirement.

Related Properties

Density: 40±2kg/m³

Compression strength (thickness direction): ≥140Kpa

Bonding strength: ≥100Kpa

Size stability: ≤1.5%

Cell closure rate: ≥90%

Water absorption rate: ≤3%

K-value: ≤0.022W/(m·K)