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Master Bond adhesives

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3M Dyneon™ FC 2181 Fluoroelastomer
Categories: Polymer; Thermoset; Fluoropolymer, TS; Rubber or Thermoset Elastomer (TSE)

Material Notes: 3M™ Dyneon™ Fluoroelastomer FC 2181 can be compounded using standard water cooled internal mixers or two-roll mills with standard fillers and ingredients utilized in typical fluoroelastomer formulations. The “dry” ingredients should be blended before adding to the masticated gum. For best results, Dyneon FC 2181 should be banded on the mill several minutes prior to adding the blended dry ingredients. Once mixed, the compounded stocks have good scorch resistance and storage stability.
  • Composition: di-polymer of vinylidene fluoride and hexafluoropropylene
  • Medium viscosity
  • Process targets: compression and transfer molding, and calendering
  • Proprietary incorporated cure technology
  • Excellent demolding of complex geometric profiles

Information provided by Dyneon, A 3M Company

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.80 g/cc
Mooney Viscosity 44
@Temperature 121 °C
ML1+10
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 72Press Cure 5 minutes @ 177°C, Post Cure 24 hours @ 260°C; ASTM D2240
Tensile Strength at Break 2560 psiPress Cure 5 minutes @ 177°C, Post Cure 24 hours @ 260°C
Elongation at Break 240 %Press Cure 5 minutes @ 177°C, Post Cure 24 hours @ 260°C
100% Modulus 0.690 ksi
@Strain 100 %
Press Cure 5 minutes @ 177°C, Post Cure 24 hours @ 260°C
Compression Set 13 %
@Temperature 200 °C,
Time 252000 sec
O-rings -214; ASTM D395 Method B
 
Thermal PropertiesOriginal ValueComments
Transformation Temperature -18.0 °CTR10; ASTM D1329
 
Component Elements PropertiesOriginal ValueComments
Fluorine, F 65.9 %
 
Descriptive Properties
ColorOpaque Off-White
MH, Maximum Torque18.1 inch-lb100 cpm, 0.5° Arc, 6 Minutes @ 177°C
ML, Minimum Torque1.6 inch-lb100 cpm, 0.5° Arc, 6 Minutes @ 177°C
SolubilityKetones and Esters
t`50, Time to 50% cure1.2 minutes100 cpm, 0.5° Arc, 6 Minutes @ 177°C
t`90 - Time to 90% cure1.7 minutes100 cpm, 0.5° Arc, 6 Minutes @ 177°C
ts2 - Time to 2 in-lb rise from min1 minutes100 cpm, 0.5° Arc, 6 Minutes @ 177°C

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