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3M Dyneon™ FLS 2650 Fluoroelastomer

Category Polymer , Thermoset , Fluoropolymer, TS , Rubber or Thermoset Elastomer (TSE)
Manufacturer 3M Dyneon™
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF 3M Dyneon™ FLS 2650 Fluoroelastomer.pdf
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Material Notes:
3M™ Dyneon™ Fluoroelastomer FLS 2650 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 FLS 2650 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: Terpolymer of vinylidene fluoride, hexafluoropropylene, and tetrafluoroethylene; plus cure site monomerLow volume swell high fluorine terpolymerCan be used in blends with fluorosilicone, silicone, EDPM and other peroxide curable elastomersProcess targets: transfer and compression moldingSlightly improved water and steam resistance over conventional fluoroelastomerVulcanization of thick cross-section parts without fissuringInformation provided by Dyneon, A 3M Company
Physical Properties Metric English Comments
Specific Gravity 1.89 g/cc
1.89 g/cc
Mooney Viscosity 50

@Temperature 121 °C
50

@Temperature 250 °F
ML1+10
Mechanical Properties Metric English Comments
Hardness, Shore A 72
72
Press Cure 15 minutes @ 177°C, Post Cure 24 hours @ 260°C; ASTM D2240
Tensile Strength at Break 17.9 MPa
2600 psi
Press Cure 15 minutes @ 177°C, Post Cure 24 hours @ 260°C
Elongation at Break 230 %
230 %
Press Cure 15 minutes @ 177°C, Post Cure 24 hours @ 260°C
100% Modulus 0.00538 GPa
0.780 ksi
Press Cure 15 minutes @ 177°C, Post Cure 24 hours @ 260°C
Compression Set 28 %
28 %
Aged 70 hours @ 200°C, -214 O-rings; ASTM D395 Method B
Thermal Properties Metric English Comments
Transformation Temperature -7.00 °C
19.4 °F
TR10; ASTM D1329
Component Elements Properties Metric English Comments
Fluorine, F 70.3 %
70.3 %
Descriptive Properties Value Comments
Color Translucent Amber
MH, Maximum Torque 11.9 inch-lb
100 cpm, 0.5° Arc, 6 Minutes @ 177°C
ML, Minimum Torque 1.8 inch-lb
100 cpm, 0.5° Arc, 6 Minutes @ 177°C
Solubility Partially soluble in low molecular weight ketones and esters
t`50, Time to 50% cure 1.1 minutes
100 cpm, 0.5° Arc, 6 Minutes @ 177°C
t`90 - Time to 90% cure 3.2 minutes
100 cpm, 0.5° Arc, 6 Minutes @ 177°C
ts2 - Time to 2 in-lb rise from min 0.7 minutes
100 cpm, 0.5° Arc, 6 Minutes @ 177°C
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