DYNACOLL® 7380 Copolyester

Technical Documents

DYNACOLL®7000 products are linear copolyesters with primary hydroxyl functionality and medium molecular weight.

Details

Producer
Other Applications

building block system
allowing the tailormade production of reactive hot melts (RHM)

Technical data

Quantity Value Unit Comment
Physical Properties
Molecular weight 3500 g/mol
Viscosity 2000 cP Temperature 80.0 °C@
Density 1.10 g/ml Temperature 23.0 °C@
Thermal Properties
flash point >300 ºC
Softening point 77.0 ºC
Melting point 70.0 ºC
Mechanical Properties
Tensile strength 20.0 MPa with MDI; OH:NCO=1:2.12; Ultimate
Elongation at break-MD 20 % with MDI; OH:NCO=1:2.12
Chemical Properties
Acidity number <2.0 mg KOH/g
Hydroxyl number 27 - 34 mg KOH/g