DYNACOLL® 7210 Copolyester

Technical Documents

DYNACOLL® 7000 products are linear copolyesters with primary hydroxyl functionality and medium molecular weight. The 7200 series is a liquid.

Details

Producer
Other Applications

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

Technical data

Quantity Value Unit Comment
Physical Properties
Density 1.29 g/ml @Temperature 23.0 °C
Molecular weight 3500 g/mol
Viscosity 11000 cP @Temperature 80.0 °C
Thermal Properties
Glass transition Temperature -10.0 ºC
flash point >200 ºC
Mechanical Properties
Tensile strength 15.0 MPa with MDI; OH:NCO=1:2.2
Elongation at break-MD 800 % with MDI; OH:NCO=1:2.2
Chemical Properties
Acidity number <2.0 mg KOH/g
Hydroxyl number 27 - 34 mg KOH/g