Dynacoll® 7345

Partially crystalline saturated polyester. Used in hot melt adhesives.

Details

Producer
Chemical Composition

Saturated polyester

Advantages
  • Shortens open time (300 seconds)
  • Increases initial strength
  • Low melt viscosity
Other Applications

automotive sector
wood-processing industry
bookbinding
packaging industry
textile industry
production of sandwich structures

Technical data

Quantity Value Unit Comment
Appearance Properties
Appearance
Physical Properties
Density 1.15 g/ml 23°C
Molecular weight 3500 g/mol
Thermal Properties
Softening point 47 ºC R&B
Melting point 38 ºC
flash point >200 ºC
Mechanical Properties
Melt Viscosity 4 Pa.s parallel plate; at 80°C
Chemical Properties
Acidity number <2 mg KOH/g
Hydroxyl number 27 - 34 mg KOH/g