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Master Bond adhesives

Evonik DYNACOLL® 7131 Copolyester
Categories: Polymer; Thermoset; Polyester, TS

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 7100 series is in a state of amorphous.

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Physical PropertiesMetricEnglishComments
Density 1.23 g/cc
@Temperature 23.0 °C
0.0444 lb/in³
@Temperature 73.4 °F
Viscosity 10000 cP
@Temperature 130 °C
10000 cP
@Temperature 266 °F
Molecular Weight 3000 g/mol3000 g/mol
 
Chemical PropertiesMetricEnglishComments
Total Acid Number <= 2.0<= 2.0[mg KOH/g]
 
Thermal PropertiesMetricEnglishComments
Softening Point 76.0 °C169 °F
Glass Transition Temp, Tg 30.0 °C86.0 °F
Flash Point >= 300 °C>= 572 °F
 
Descriptive Properties
Hydroxyl Number (mg KOH/g)31-39

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