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1575 Lebanon School Rd
Pittsburgh, PA 15122
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(412) 466-8611

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Polyurethane Pultrusion

Polyurethane Pultrusion

Polyurethane Pultrusion Liberty Pultrusion Manufacturing
custom Fiberglass reinforced Polyurethane pultrusion used for custom shelving structural supports

Liberty Pultrusion manufacturers custom pultrusions utilizing Polyurethane resin technology.

Benefits: Urethane is 40% stiffer than Polyester, this allows for a stiffer profile or reduction in profile thickness by about 25% which reduces the profile weight and maintains the same stiffness as Polyester resin technology.

Advantages of Polyurethane vs Polyester Resins

  • Increased Strength
  • Improved Transverse properties
  • Highest fiber volume
  • Higher specific strength and stiffness
  • Reduced wall thickness (weight savings)
  • Stronger profiles spanning greater distances
  • Excellent impact resistance (Polyester has poor impact resistance in comparison)
  • Excellent abrasion resistance
  • Easy fabrication
  • Excellent screw pull out strength (compared to traditional polyester pultrusion
  • Much lower smoke generation than Polyester or Vinyl Ester
  • Excellent corrosion resistance
  • Aliphatic, light stable resins available
  • High Tg resin available – Tg>280 C
  • No Styrene emissions, no peroxides, NO VOCs
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