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Evonik Corporation DYNACOLL® 7250 Copolyester

Category Polymer , Thermoset , Polyester, TS
Manufacturer Evonik Corporation
Trade Name DYNACOLL®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Evonik Corporation DYNACOLL® 7250 Copolyester.pdf
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Material Notes:
DYNACOLL® 7000 products are linear copolyesters with primary hydroxyl functionality and medium molecular weight. Our DYNACOLL® 7000 product line is designed as a building block system, allowing the tailormade production of reactive hot melts (RHM). The 7200 series is a liquid.
Physical Properties Metric English Comments
Density 1.15 g/cc

@Temperature 23.0 °C
0.0415 lb/in³

@Temperature 73.4 °F
Viscosity 5000 cP

@Temperature 80.0 °C
5000 cP

@Temperature 176 °F
Molecular Weight 5500 g/mol
5500 g/mol
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 15.0 MPa
2180 psi
with MDI; OH:NCO=1:2.5
Elongation at Break 1500 %
1500 %
with MDI; OH:NCO=1:2.5
Thermal Properties Metric English Comments
Glass Transition Temp, Tg -50.0 °C
-58.0 °F
Flash Point >= 200 °C
>= 392 °F
Chemical Properties Metric English Comments
Total Acid Number <= 2.0
<= 2.0
[mg KOH/g]
Descriptive Properties Value Comments
Hydroxyl Number (mg KOH/g) 18-24
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