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Chase PURe QA3781 Aromatic Polyester Urethane Adhesive

The Chase Corporation

$0.00
SKU:
QA3781
spec_Chemistry:
Solvent-borne & Moisture Cure Urethanes
spec_pH:
N/A
spec_Solids_Content_%:
40 ± 1
spec_viscosity:
12,500–25,000
spec_Volatile_Organic_Compounds:
N/A
Chemistry:
Solvent-borne & Moisture Cure Urethanes
On_Web_(Y/N):
Yes
pH:
N/A
Short_Description:
Aromatic polyester urethane adhesive with high elongation and strong bonding for film laminations and general-purpose applications
Solids_Content_%:
40 ± 1
TDS_Description:
QA3781 Technical Data Sheet
TDS_Link:
https://cdnresources.chasecorp.com/7RYJKHTS/as/7wq6gvm3gqpjfnjqjqfkgqb/QA3781_03202015
Transactable_(Y/N):
No
Viscosity:
12,500–25,000
Volatile_Organic_Compounds:
N/A
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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.

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