
Polyurethane
(PUR6318)
Application:
FREE BIRD PUR6318 is a single-component moisture-curing PUR hot melt adhesive for bookbinding applications. Designed for bookbinding machines equipped with PUR applicators, it provides strong, durable bonding and reliable performance for demanding book production.
Characteristics:
Provides strong initial tack and high final bond strength with a flexible adhesive layer. After curing, it offers excellent peel strength, heat and moisture resistance, and durable bonding performance.
Specification:
Polymer Base: Polyurethane (PUR)
Viscosity at 120°C: Approx. 60,000 mPa·s
Open Time: Approx. 30 seconds
Complete Curing Time: 2–4 hours
Appearance: White to slightly yellow solid
Application Temperature: 110–140°C
Packaging & Storage: Available in 2 kg bags, 20 kg drums, and 200 kg drums.
Shelf life: 24 months, in original package, cool and dry (15-35°C).



