DuPont™ Viton® GF-600S Technical Information — Rev. 3, July 2010 — Made with Advanced Polymer Architecture

Product Description Viton® GF-600S, formerly known as VTR-8600, is a next generation, easy processing, peroxide cure 70% fluorine fluoroelastomer based on new Advanced Polymer Architecture. Compared to the original Viton® GF, Viton® GF-600S exhibits better processability coupled with similar or improved fluids resistance in aromatic hydrocarbons, alcohols, including methanol, water, steam, and acids.

Features • Cures exceptionally fast to a high state of cure • Exhibits improved mold release/mold fouling properties compared to Viton® GF • Exhibits improved mold flow, less shear sensitivity, and lower extruder die swell for a ~65 Mooney FKM • Exhibits excellent physical properties with high elongation, both original and aged • Exhibits similar heat, fluids, and low temperature resistance compared to Viton® GF • Exhibits excellent compression set resistance with short (2 hr) or no postcure

Product Description: Viton® GF-600S Chemical Composition: Copolymer of hexafluoropropylene vinylidene fluoride, and tetrafluoroethylene with a cure site monomer Physical form

Sheet

Appearance

Off white to tan

Odor

None

Mooney Viscosity, 65

ML 1 + 10 at 121 °C Specific Gravity

1.90

Storage Stability

Excellent

Fluorine, %

~70

Processing A load factor of >70% for internal mixing of Viton® GF-600S is recommended. The recommended process aids for Viton® GF-600S are 1 phr of Struktol® HT 290, or combinations of 0.5 phr Armeen® 18D with carnauba wax or Struktol® WS 280. Diak™ #7 (TAIC) coagent is recommended for all Viton® GF-600S compounds. Use at a 2.5 phr level or less is generally satisfactory unless high modulus is needed. At higher levels, TAIC can bleed out and cause molding flaws.

Safety and Handling Before handling or processing Viton® GF-600S, be sure to read and be guided by the suggestions in DuPont technical bulletin “Handling Precautions for Viton® and Related Chemicals.”

Contents Table 1 — Comparison of General Properties of Viton® GF-600S, Viton® GF and Viton® GF300 Table 2 —Viton® GF-600S—Filler Study Table 3 —Comparison of Different Peroxides in Viton® GF-600S, Viton® GF and Viton® GF300 Table 4 —Comparison of Fuel/Fluids Resistance of Viton® GF and Viton® GF-600S  

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Table 1. Comparison of General Properties of Viton GF-600S, Viton GF and Viton GF300 GF300

GF-600S

GF

Viton® GF 300 ® Viton GF-600S Viton® GF Zinc Oxide N990 ™ Diak #7 Luperox® 101XL 45 Total phr

100 — — 3 30 3 3 139

-— 100 — 3 30 3 3 139

— — 100 3 30 3 3 139

Mooney Scorch at 121 °C Minimum, MU 2 pt rise, min 5 pt rise, min 10 pt rise, min

18 22.7 24.1 24.9

32 19.5 21.3 23.1

45 20.7 25.7 >30

ODR at 162 °C, 3° arc, 100 range, 30 min clock ML, dN.m ts2, min t'50, min t'90, min MH, dN.m

8 1.3 2.7 6.6 129

16 1.2 2.8 5.2 158

22 1.9 5.6 17.8 92

MDR 2000 at 177 °C, 0.5° arc, 100 range, 12 min clock ML, dN.m ts2, min t'50, min t'90, min t'95, min MH, dN.m

0.7 0.5 0.6 1.2 1.7 22.4

1.9 0.4 0.6 0.9 1.0 30.4

2.0 0.6 1.0 3.4 4.3 13.2

Rosand Capillary Rheometer at 100 °C, 1.5 mm die, L/D = 0/1 and 10/1 –1 Pressure, MPa (L/D = 0/1 die) Piston Speed, mm/min Shear Rate, s 5 44 4.6 4.4 12.7 113 6.7 5.1 50.8 452 8.9 7.5 127 1129 11.2 9.5 250 2223 13.9 12.1

4.4 7.5 10.7 14.4 19.4

Physical Properties at R.T.—Original, cure 7' at 177 °C, no postcure M10, MPa 0.7 M100, MPa 3.4 Tb, MPa 11.1 Eb, % 256 Hardness, A, pt 68

0.7 3.5 9.0 343 69

0.7 4.2 13.8 285 69

Physical Properties at R.T.—Original, cure 7' at 177 °C, postcured at 232 °C 2 hr 2 hr M10, MPa 0.8 0.7 M100, MPa 5.4 5.4 Tb, MPa 16.8 20.7 Eb, % 227 269 Hardness, A, pt 72 72 Compression Set, Method B, O-rings 22 hr at 200 °C no postcure postcured at 232 °C

16 hr 0.8 7.0 20.4 214 72

2 hr

2 hr

16 hr

43 27

19 17

69 37 (continued)

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Table 1. Comparison of General Properties of Viton GF-600S, Viton GF and Viton GF300 GF300

GF-600S

GF

Physical Properties at R.T.—Heat aged 70 hr at 250 °C in oven M10, MPa 0.8 M100, MPa 5.0 Tb, MPa 18.6 Eb, % 290 Hardness, A, pt 73 pt change 1 % change, M10 12 % change, M100 –8 % change, Tb 11 % change, Eb 27

0.7 5.0 20.5 297 72 0 1 –8 –1 10

0.9 6.8 20.3 245 73 1 1 –2 0 15

Physical Properties at R.T.—Heat aged 70 hr at 275 °C in oven M10, MPa 0.8 M100, MPa 3.1 Tb, MPa 9.4 Eb, % 403 Hardness, A, pt 71 pt change –1 % change, M10 7 % change, M100 –43 % change, Tb –44 % change, Eb 77

0.8 3.7 14.3 361 71 –1 11 –32 –31 34

0.9 4.8 14.3 294 71 –1 7 –31 –30 37

Physical Properties at R.T.—Aged 168 hr at 150 °C in ASTM #105 oil, 5W/30 M10, MPa 0.9 M100, MPa 5.7 Tb, MPa 13.5 Eb, % 183 Hardness, A, pt 74 pt change 2 % change, M10 15 % change, M100 6 % change, Tb –20 % change, Eb –19 Volume Swell, % 1.3

0.8 5.8 13.7 176 73 1 14 6 –34 –35 1.1

0.7 6.6 12.9 154 75 3 –17 –5 –37 –28 1.5

Volume Swell After Immersion—time and temperature as noted Fuel C, 168 hr at 23 °C 1.3 Methanol, 168 hr at 23 °C 2.5 Water, 168 hr at 100 °C 4.8

1.2 2.4 3.7

1.6 3.9 7.9

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Table 2. Viton GF-600S—Filler Study 5-MT Black 30-MT Black

60-MT Black 40-Woolast. 40-BaSO4

Viton® GF-600S N990 (MT Black) Wollastocoat 10022 Blanc Fixe (BaSO4) Armeen® 18D ™ Diak #7 (TAIC) Varox® DBPH-50 Total phr

100 5 — — 0.5 3 3 111.5

100 30 — — 0.5 3 3 136.5

100 60 — — 0.5 3 3 166.5

100 — 40 — 0.5 3 3 146.5

100 — — 40 0.5 3 3 146.5

Mooney Scorch at 121 °C Minimum, MU 2 pt rise, min 5 pt rise, min 10 pt rise, min

18.6 13.6 14.4 15.6

24.9 10.5 11.7 12.8

7.4 6.2 7.6 8.8

31.3 10.7 11.3 11.9

22.6 15.1 15.8 17.6

ODR at 162 °C, 3° arc, 100 range, 30 min clock ML, dN.m ts2, min t'50, min t'90, min MH, dN.m

13 0.9 1.7 4.4 108

15 0.7 1.4 3.1 148

17 0.5 1.2 2.3 191

17 0.9 2.3 11.0 137

17 1.3 2.7 8.2 132

MDR 2000 at 177 °C, 0.5° arc, 100 range, 6 min clock ML, dN.m 1.2 ts2, min 0.5 t'50, min 0.6 t'90, min 0.9 t'95, min 1.0 MH, dN.m 16.7

1.6 0.4 0.6 1.0 1.3 28.1

2.7 0.3 0.6 1.4 2.2 48.8

1.9 0.4 0.6 0.8 0.9 27.2

1.6 0.4 0.6 0.9 1.1 21.9

1.6 7.3 10.6 236 84

0.8 4.3 10.8 361 69

0.5 1.7 10.7 381 61

Physical Properties at R.T.—Original, cure 5' at 177 °C, postcured 2 hr at 232 °C M10, MPa 0.4 1.0 2.4 M100, MPa 1.5 5.4 11.7 Tb, MPa 18.6 18.3 17.4 Eb, % 380 302 215 Hardness, A, pt 57 77 89

1.0 7.2 13.1 308 72

0.6 2.2 15.0 384 65

Physical Properties at R.T.—Heat aged 70 hr at 250 °C in oven M10, MPa 0.3 1.3 M100, MPa 1.4 5.7 Tb, MPa 20.7 18.2 Eb, % 465 315 Hardness, A, pt 59 79 pt change 2 2 % change, M10 –3 27 % change, M100 –5 6 % change, Tb 11 –1 % change, Eb 23 4

1.1 8.9 13.1 306 73 1 15 23 0 –1

0.6 3.1 15.5 417 67 2 4 43 4 9

Physical Properties at R.T.—Original, cure 5' at 177 °C, no postcure M10, MPa 0.3 0.7 M100, MPa 1.3 3.4 Tb, MPa 13.3 10.7 Eb, % 386 350 Hardness, A, pt 54 70

3.1 12.7 19.2 167 88 –1 29 8 11 –22

(continued)

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Table 2. Viton GF-600S—Filler Study 5-MT Black 30-MT Black

60-MT Black 40-Woolast. 40-BaSO4

Physical Properties at R.T.—Aged 168 hr at 150 °C in oven, ASTM #105 oil, 5W/30 M10, MPa 0.4 1.4 3.4 M100, MPa 1.7 6.7 11.8 Tb, MPa 7.6 11.2 13.7 Eb, % 239 158 120 Hardness, A, pt 60 78 91 pt change 3 1 2 % change, M10 23 33 43 % change, M100 13 25 1 % change, Tb –59 –39 –21 % change, Eb –37 –48 –44 Volume Change, % 1.3 1.2 1.4

1.3 8.6 10.7 150 74 2 28 20 –18 –51 1.3

0.6 2.3 4.1 219 65 0 0 6 –73 –43 2.6

2 hr

2 hr

2 hr

2 hr 2 hr Compression Set, Method B, O-rings 22 hr at 200 °C no postcure 27 37 postcured at 232 °C 21 29 Volume Swell After Immersion—time and temperature as noted Fuel C, 168 hr at 23 °C 3.1 3.6 Methanol, 168 hr at 23 °C 2.9 2.7 Water, 168 hr at 100 °C 5.5 3.5 Compound Specific Gravity 1.90 1.89

40 31

28 25

44 34

3.3 2.4 0.3 1.87

2.6 2.6 7.8 2.10

2.4 2.4 5.4 2.24

Brittle Point—ASTM D746-95, calculated method No postcure –56 Postcured at 232 °C –54

–10 –12

–14 –16

–54 –46

–26 –42

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Table 3. Comparison of Different Peroxides in Viton GF-600S A08-01 Peroxide type used

Control

A08-02 2 phr DBPH50

A08-03 3 phr DBPH50-HP

A08-04 3 phr 130 XL

Viton® GF-600S Zinc Oxide N990 Diak™ #7 (TAIC) ® Varox DBPH-50 Varox® DBPH-50-HP ® Varox 130XL Varox® 802-40KE Varox® DCP-40KE Total phr

100 3 30 3 3 — — — — 139

100 3 30 3 2 — — — — 138

100 3 30 3 — 3 — — — 139

100 3 30 3 — — 3 — — 139

100 3 30 3 — — — 3 — 139

100 3 30 3 — — — — 3 139

Mooney Scorch at 121 °C Minimum, MU 2 pt rise, min 5 pt rise, min 10 pt rise, min

32 18.8 19.7 21.0

33 24.4 25.9 27.1

30 >30 — —

29 >30 — —

31 25.4 >30 —

31 13.2 14.2 15.0

ODR at 162 °C, 3° arc, 100 range, 30 min clock ML, dN.m 16 ts2, min 1.0 t'50, min 2.0 t'90, min 3.4 MH, dN.m 161

16 1.2 2.4 3.6 154

14 1.9 4.9 6.4 135

14 1.4 3.1 4.7 138

15 1.2 2.9 4.7 157

17 1.0 2.1 3.6 169

MDR 2000 at 177 °C, 0.5° arc, 100 range, 6 min clock ML, dN.m 1.8 ts2, min 0.4 t'50, min 0.6 t'90, min 0.9 t'95, min 1.0 MH, dN.m 31.8

1.8 0.4 0.7 1.1 1.3 32.6

1.5 0.7 1.2 2.1 2.7 33.9

1.5 0.5 0.9 1.7 2.3 33.9

1.7 0.4 0.7 1.4 1.8 34.9

1.9 0.4 0.6 0.9 1.1 34.1

Spider Transfer Mold Flow Test—Sprue 0.031", ~ 0.8 mm, cure 7' at 177 °C Total shot weight, gm 35.1 34.9 35.0 Weight of spider, gm 12.3 17.9 26.0 Fill factor, % 35 51 74

35.0 23.7 68

35.0 19.1 54

34.9 14.1 40

Physical Properties at R.T.—Original, cure 7' at 177 °C, no postcure M10, MPa 0.7 0.7 0.7 M100, MPa 4.6 4.9 4.1 Tb, MPa 14.2 14.4 14.3 Eb, % 262 236 283 Hardness, A, pt 70 70 71

0.8 5.0 15.9 267 72

0.8 5.2 16.1 280 72

0.8 5.1 14.8 281 71

Hot Tear Strength at 150°C—Original, cure 7' at 177 °C, no postcure Tear Die B, nicked, N/mm 10.3 10.0 10.5

11.1

10.8

11.6

2 hr 1.0 7.0 21.5 266 75

2 hr 1.1 6.7 18.5 256 75

Physical Properties at R.T.—Original, cure 7' at 177 °C, postcured at 232 °C as noted 2 hr 2 hr 2 hr 2 hr M10, MPa 0.9 1.0 1.0 1.0 M100, MPa 6.7 6.7 6.0 6.7 Tb, MPa 20.0 20.7 19.3 18.3 Eb, % 233 256 252 219 Hardness, A, pt 74 74 76 76 Compression Set, Method B, O-rings 22 hr at 200°C no postcure postcured at 232°C 70 hr at 200°C no postcure postcured at 232°C

A08-05 3 phr 802-40KE

A08-06 3 phr DCP-40KE

20 16

9 13

14 14

16 17

14 14

14 10

31 23

24 20

29 23

30 29

23 21

21 20 (continued)

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Table 3. Comparison of Different Peroxides in Viton GF-600S A08-01 Peroxide type used

Control

A08-02 2 phr DBPH50

A08-03 3 phr DBPH50-HP

A08-04 3 phr 130 XL

A08-05 3 phr 802-40KE

A08-06 3 phr DCP-40KE

Physical Properties at R.T.—Heat aged 70 hr at 250 °C in oven M10, MPa 0.9 1.0 M100, MPa 5.7 5.8 Tb, MPa 20.5 20.4 Eb, % 280 281 Hardness, A, pt 75 74 pt change 1 0 % change, M10 1 0 % change, M100 –15 –13 % change, Tb 3 –1 % change, Eb 20 10

1.0 5.5 20.5 285 76 0 –2 –9 6 13

1.1 5.7 19.5 281 75 –1 2 –15 7 29

1.0 5.9 20.2 292 75 0 1 –15 –6 10

1.1 6.0 18.4 286 76 1 5 –11 0 12

Physical Properties at R.T.—Heat aged 70 hr at 275 °C in oven M10, MPa 0.9 1.0 M100, MPa 4.1 4.1 TB, MPa 13 13.8 Eb, % 337 350 Hardness, A, pt 74 74 pt change 0 0 % change, M10 1 0 % change, M100 –40 –39 % change, Tb –35 –33 % change, Eb 45 37

1.0 3.9 13.4 362 75 –1 –1 –35 –31 43

1.1 3.8 11.6 346 75 –1 1 –43 –37 58

1.0 3.9 12.9 356 75 0 0 –44 –40 34

1.1 4.4 13.2 351 76 1 7 –35 –29 37

Fluid Immersions, Volume Swell M15 Fuel , 168 hr at 23 °C Distilled Water, 168 hr at 100 °C Specific Gravity

8.5 3.7 1.906

8.1 3.3 1.905

8.0 3.5 1.903

7.0 3.0 1.903

6.9 1.7 1.908

7.1 1.9 1.907

Low Temperature Testing Tg by DSC, Modulated, °C

–5.9

–6.4

–5.5

–6.1

–5.5

–5.6

Note: Varox® DBPH50 is a 45% active dispersion of 2,5-dimethyl-2-5-Di-(t-butyl-peroxy)hexane Varox® DBPH50-HP is a 45% active dispersion of 2,5-dimethyl-2-5-Di-(t-butyl-peroxy)hexane Varox® 130XL is a 45% active dispersion of 2,5-dimethyl-2-5-Di-(t-butyl-peroxy)hexane-3 Varox® 802-40KE is a 40% active dispersion of alpha-alpha'-Di(t-butyl-peroxy)diisopropylbenzene Varox® DCP-40KE is a 40% active dispersion of Dicumyl peroxide

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Table 4. Comparison of Fuel/Fluids Resistance of Viton GF and Viton GF-600S GF A36-05

GF-600S A36-06

Viton® GF Viton® GF-600S Zinc Oxide N990 ® Armeen 18D ™ Diak #7 ® Varox DBPH-50 Total phr

100 — 3 30 0.5 3 3 139.5

— 100 3 30 0.5 3 2 138.5

Mooney Scorch at 121 °C Minimum, MU 2 pt rise, min 5 pt rise, min 10 pt rise, min

31 23.9 29.0 >30

29 9.2 10.9 12.8

MDR 2000 at 177 °C, 0.5° arc, 100 range, 6 min clock ML, dN.m ts2, min t'50, min t'90, min t'95, min MH, dN.m

1.5 0.6 1.0 3.7 4.6 12.9

1.4 0.4 0.7 1.2 1.5 27.6

Physical Properties at R.T.—Original, cure 7' at 177 °C, no postcure M10, MPa 0.9 M25, MPa 1.4 M100, MPa 3.5 Tb, MPa 9.4 Eb, % 329 Hardness, A, pt 68

0.8 1.3 3.3 11.1 362 69

Physical Properties at R.T.—Original, cure 7' at 177 °C, postcured at 232°C 16 hr M10, MPa 0.9 M25, MPa 1.6 M100, MPa 6.6 Tb, MPa 21.4 Eb, % 244 Hardness, A, pt 74

8 hr 1.0 1.7 6.0 21.1 294 75

Physical Properties at R.T.—Heat aged 70 hr at 250 °C in oven M10, MPa 0.9 M25, MPa 1.6 M100, MPa 6.8 Tb, MPa 20.3 Eb, % 250 Hardness, A, pt 76 pt change 2 % change, M10 1 % change, M25 0 % change, M100 2 % change, Tb –6 % change, Eb 2

1.1 1.8 5.6 19.3 292 76 1 4 1 –6 –9 –1

Typical ASTM D2000 SAE J200 Spec Values

A1-10

+10 max

–25 max –25 max (continued)

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Table 4. Comparison of Fuel/Fluids Resistance of Viton GF and Viton GF-600S GF A36-05

GF-600S A36-06

Physical Properties at R.T.—Heat aged 168 hr at 60 °C in diesel fuel M10, MPa 1.1 M25, MPa 1.6 M100, MPa 5.5 Tb, MPa 20.0 Eb, % 251 Hardness, A, pt 74 pt change 0 % change, M10 14 % change, M25 –2 % change, M100 –3 % change, Tb –7 % change, Eb 3 Volume Swell, % 1.6

1.2 1.7 5.5 18.0 304 75 0 14 –5 –7 –15 3 1.5

Physical Properties at R.T.—Aged 70 hr at 23 °C in fuel C M10, MPa 0.9 M25, MPa 1.5 M100, MPa 5.8 Tb, MPa 18.3 Eb, % 235 Hardness, A, pt 75 pt change 1 % change, M10 –7 % change, M25 –9 % change, M100 –13 % change, Tb –15 % change, Eb –4 Volume Swell, % 1.5

1.1 1.7 5.4 17.5 262 75 0 10 –2 –9 –17 –11 1.6

Typical ASTM D2000 SAE J200 Spec Values

EF31

±5

–25 max –20 max 0 to +10

Physical Properties at R.T.—Aged 168 hr at 23 °C in E10, 90% fuel C/10% ethanol M10, MPa 0.7 0.8 M25, MPa 1.2 1.3 M100, MPa 4.5 4.3 Tb, MPa 15.8 13.8 Eb, % 236 238 Hardness, A, pt 70 73 pt change –4 –2 % change, M10 –29 –26 % change, M25 –25 –25 % change, M100 –32 –27 % change, Tb –26 –35 % change, Eb –3 –19 Volume Swell, % 5.4 5.4 Physical Properties at R.T.—Aged 168 hr at 23 °C in M15, 85% fuel C/15% methanol M10, MPa 0.5 0.8 M25, MPa 0.9 1.1 M100, MPa 3.6 3.5 Tb, MPa 14.1 13.8 Eb, % 252 279 Hardness, A, pt 65 70 pt change –9 –5 % change, M10 –43 –27 % change, M25 –44 –35 % change, M100 –45 –41 % change, Tb –34 –35 % change, Eb 3 –5 Volume Swell, % 9.3 8.8 (continued)

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Table 4. Comparison of Fuel/Fluids Resistance of Viton GF and Viton GF-600S GF A36-05 Physical Properties at R.T.—Aged 70 hr at 200 °C in service fluid 101 M10, MPa 1.0 M25, MPa 1.7 M100, MPa 6.1 Tb, MPa 15.6 Eb, % 222 Hardness, A, pt 76 pt change 2 % change, M10 10 % change, M25 3 % change, M100 –9 % change, Tb –27 % change, Eb –9 Volume Swell, % 10.8

GF-600S A36-06

Typical ASTM D2000 SAE J200 Spec Values E078

0.8 1.4 5.2 18.0 288 74 –1 –21 –20 –13 –15 –2 8.1

–15 to +5

–40 max –20 max 0 to +15

Physical Properties at R.T.—Aged 336 hr at 60 °C in 180PN Sour Fuel, Ford Method M10, MPa 0.4 0.5 M100, MPa 2.7 2.9 Tb, MPa 11.7 12.7 Eb, % 257 326 Hardness, A, pt 56 64 pt change –18 –11 % change, M10 –58 –50 % change, M100 –60 –52 % change, Tb –45 –40 % change, Eb 5 11 Volume Swell, % 20.0 18.1 Note: Ford “Sour Fuel” is an 80% Fuel C/15% Methanol/5% T-Butyl Alcohol blend with copper ion and t-butyl-hydroperoxide added to bring up the peroxide number to 180. Physical Properties at R.T.—Aged 70 hr at 200 °C in 7700 fluid/SAE fluid #2 M10, MPa 0.6 0.7 M25, MPa 1.1 1.2 M100, MPa 4.4 4.5 Tb, MPa 15.2 17.0 Eb, % 253 279 Hardness, A, pt 67 71 pt change –7 –4 % change, M10 –36 –32 % change, M25 –34 –32 % change, M100 –34 –25 % change, Tb –29 –19 % change, Eb 4 –5 Volume Swell, % 12.9 6.9 Compression Set, Method B, O-rings, postcured at 232 °C 16 hr 70 hr at 200 °C 47

8 hr 26

Low Temperature Testing Tg by DSC, modulated, °C TR-10, °C

–5.9 –4.9

–7.5 –7.0

E088

–15 to +5

–40 max –20 max +25 max

Appendix List of Proprietary Chemicals and Ingredients Sources of compounding ingredients used in this bulletin are listed here. This is not to imply that comparable ingredients from other sources might not be equally usable. Material

Composition

Supplier

Armeen 18D

1-Octadecanamine, N-Octadecyl

Akzo Nobel Polymer Chemicals L.L.C Chicago, IL 60606

Carnauba wax

carnauba wax

Frank B. Ross Co., Inc Jersey City, NJ 07304

™

TAIC – triallyl isocyanurate

DuPont Wilmington, DE 19809

™

TMAIC - trimethallyl isocyanurate

DuPont Wilmington, DE 19809

Blend of fatty acid derivatives

Struktol Co. of America Stow, OH 44224-0649

Silicone-organic compounds

Struktol Co. of America Stow, OH 44224-0649

45% active dispersion of 2,5dimethyl-2-5-Di-(t-butyl-peroxy) hexane

R.T. Vanderbilt Co Norwalk, CT 06855

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1

DIAK 7

DIAK 8

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2

Struktol HT-290

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Struktol WS-280

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3

Varox DBPH50

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Viton fluoroelastomer Fluorinated synthetic rubber (FKM)

1

Trademark of Akzo Nobel Polymer Chemicals L.L.C. Trademark of Struktol Co. of America. 3 Trademark of R.T. Vanderbilt Co. 2

DuPont Wilmington, DE 19809

Test Procedures Property Measured

Test Procedure

Compression Set

ASTM D3955, Method B (25% deflection)

Compression Set—Low Temperature

ASTM D1299, Method B (25% deflection)

Compression Set, O-Rings

ASTM D1414

Hardness

ASTM D2240, durometer A

Mooney Scorch

ASTM D1646, using the small rotor. Minimum viscosity and time to a 1-, 5-, or a 10-unit rise are reported.

Mooney Viscosity

ASTM D1646, ten pass 100 °C and 121 °C

ODR (vulcanization characteristics measured with an oscillating disk cure meter)

ASTM D2084

Property Change After Oven Heat-Aging

ASTM D573

Stress/Strain Properties 100% Modulus Tensile Strength Elongation at Break

ASTM D412, pulled at 8.5 mm/s (20 in/min)

Stiffness, Torsional, Clash-Berg

ASTM D1043

Temperature Retraction

ASTM D1329

Volume Change in Fluids

ASTM D471

Note: Test temperature is 24 °C, except where specified otherwise.

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The information set forth herein is furnished free of charge and is based on technical data that DuPont believes to be reliable and falls within the normal range of properties. It is intended for use by persons having technical skill, at their own discretion and risk. This data should not be used to establish specification limits nor used alone as the basis of design. Handling precaution information is given with the understanding that those using it will satisfy themselves that their particular conditions of use present no health or safety hazards. Since conditions of product use and disposal are outside our control, we make no warranties, express or implied, and assume no liability in connection with any use of this information. As with any product, evaluation under end-use conditions prior to specification is essential. Nothing herein is to be taken as a license to operate or a recommendation to infringe on patents. Caution: Do not use in medical applications involving permanent implantation in the human body. For other medical applications, discuss with your DuPont customer service representative and read Medical Caution Statement H-50103-3. Copyright © 2010 DuPont. The DuPont Oval Logo, DuPont™, The miracles of science™, and Viton® are trademarks or registered trademarks of E.I. du Pont de Nemours and Company or its affiliates. All rights reserved. (06/04) Reference No. VTE-A10088-00-D0710