.

Composition

Ter-polymer of VdF, HFP and TFE

Characters

Medium viscosity gumstock with 69% fluorine content, without incorporated curative

Process Targets

Compression and transfer molding

Recommended Curatives

Bisphenol

Typical Properties (Data not for specification purposes)

Fluorine Content, %

69

Specific Gravity

1.88

Color

Silver gray, translucent

Solubility

Low molecular ketones and esters

Mooney Viscosity ML 1+10@121

50

Typical Properties of Vulcanizate (Data not for specification purposes)

Compound

phr

Polymer

100

MT Black(N990)

30

MgO

3

Ca(OH)₂

6

Phosphonium Accelerator

0.5

Dihydroxy Crosslinker

2.0

Curing condition

Press

10min at 170

Oven

24h at 230

Typical Rheological Properties

Monsanto Moving Die Rheometer (MDR2000®)

100cpm, 0.5°Arc, 15minutes, 177

ML, N m

0.33

ts2, Time to 2 inch-lb rise from minimum

208

t90, Time to 90% cure

455

MH, N m

1.85

Typical Physical Properties

Press Cure 10 minutes @ 170

Post Cure 24 hours @ 230

Tensile, MPa (ASTM D412)

13.5

Elongation at break, % (ASTM D412)

230

Hardness, Shore A (ASTM D 2240)

78

Chemical Fluid Resistance [ASTM D471(70 hours@23 in Methanol)]

Volume Swell, %

+5

Compression Set, %, [ASTM D395 Method B (Disc)]

Aged 70 hours @ 230

25