PU square bar is a high-strength material made by mixing polyurethane resin and glass fiber under high pressure. It is mainly used for box truck body panels and has the characteristics of corrosion resistance, durability and no deformation. It can also be used in ships, construction and other fields.

  • Size: 200*42mm (Customized)
  • Material: Fiberglass+Polyurethane
  • Thickness: 8.5~22mm (Customized)
  • Density: 500~700kg/m³
  • Grade: B
  • Application: Sandwich Panel Embedding Material
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Features

  • Lightweight: lower density than metal materials
  • High strength: able to withstand large loads and deformations.
  • Thermal insulation: Polyurethane foam has a low heat transfer rate
  • High nail holding power: significantly overcomes the common problem of insufficient nail holding power of foam core and honeycomb core

Parameters

Performance Value
Compressive Strength 1-5 MPa
Tensile Strength 2-10MPa
Bending Strength 5-15 MPa
Thermal Conductivity 0.02-0.04 W/m·K
Water Absorption <2%
Heat Resistance 100-130°C
Flame Retardant UL 94 Standard
Shear Strength 1-4 MPa
Hardness 30-60 Shore D

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