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The Chase Corporation

Chase PURe QA3781 Aromatic Polyester Urethane Adhesive

QA3781
The Chase Corporation

Chase PURe QA3781 Aromatic Polyester Urethane Adhesive

QA3781

QA3781 is a solvent-based aromatic polyester urethane adhesive formulated with a crosslinking agent to create a durable bonding system. Ideal for laminating vinyl to nylon and bonding stiff materials like cotton duck, rubber, and plastics. It offers tensile strength of 2400–3600 psi and elongation of 675–750%. Solids content is 40 ± 1%, viscosity ranges from 12,500–25,000 cPs, and flash point is 25°F. Compatible with QZ303 crosslinker and optional QZ14 catalyst. Cures at 200–250°F in 1–3 minutes.

Overview

Designed for demanding lamination and bonding applications, QA3781 delivers high flexibility and strength. Its compatibility with various substrates and crosslinking systems makes it a versatile solution for industrial adhesives. The solvent system of MEK and toluene ensures fast drying and strong adhesion. Ideal for film laminations, PVC bonding, and general-purpose adhesive needs.

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  • Overview / Specs
  • Downloads
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QA3781 is a solvent-based aromatic polyester urethane adhesive formulated with a crosslinking agent to create a durable bonding system. Ideal for laminating vinyl to nylon and bonding stiff materials like cotton duck, rubber, and plastics. It offers tensile strength of 2400–3600 psi and elongation of 675–750%. Solids content is 40 ± 1%, viscosity ranges from 12,500–25,000 cPs, and flash point is 25°F. Compatible with QZ303 crosslinker and optional QZ14 catalyst. Cures at 200–250°F in 1–3 minutes.

Overview

Designed for demanding lamination and bonding applications, QA3781 delivers high flexibility and strength. Its compatibility with various substrates and crosslinking systems makes it a versatile solution for industrial adhesives. The solvent system of MEK and toluene ensures fast drying and strong adhesion. Ideal for film laminations, PVC bonding, and general-purpose adhesive needs.

Specifications

ChemistrySolvent-borne & Moisture Cure Urethanes
pHN/A
Solids Content %40 ± 1
viscosity12,500–25,000
Volatile Organic CompoundsN/A

Downloads

  • QA3781 Technical Data Sheet

    PDFDownload

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