책 제본용 핫멜트 우레탄 ( PUR )
Graphical industry / bookbindery
swift®lock 8669 is a hot melt adhesive based on a polyurethane prepolymer which cures
with moisture of atmosphere or material.
Due to the great variety of materials, proper tests have to determine the suitability of our
Base : polyurethane-prepolymer
Colour : white
Physical form : solid
Density : approx. 1,10 g/cm3
Melt viscosity at 120 °C : approx. 5.000 mPas
Softening point (Ring/Ball) : approx. 66 °C
Application temperature : 100 - 130 °C
Open time : approx. 20 - 50 sec.
- depending on temperature, amount and substrate