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VI.
NITRILE
348
THE RUBBER FORMULARY
FUEL HOSE
DSM
1
2
Nysyn 30-5
100.0
100.0
Halco 83-SS
5.0
5.0
Mistron Vapor
50.0
50.0
Ciptane
25.0
25.0
N787 Black
20.0
20.0
Laminar
30.0
30.0
Stearic Acid
0.5
0.5
Zinc Oxide
5.0
5.0
VANOX ZMTI
1.0
1.0
Irganox 565
0
1.0
AGERITE SUPERFLEX
2.0
0
Irganox MD 1024
0.5
0.5
TBBS
1.75
1.75
TMTD
2.0
2.0
MBS
1.5
1.5
Spider Sulfur
0.3
0.3
Sartomer 350
0
5.0
Total
244.55
248.55
Physical Properties
Compound Viscosity, ML (1+4) 100°C
86
74
Mooney Scorch @ 132°C
Min. to 5 Pt. Rise
9.1
9.4
Minimum Reading
31
27
Press Cure @ 162°C, 20 min. cure
Tensile, MPa
11.9
15.03
Elongation, %
370
440
100% Modulus, MPa
3.24
2.98
200% Modulus, MPa
5.79
5.3
300% Modulus, MPa
9.17
8.27
Hardness, Shore A
70
75
Compression Set, %
70 Hrs. @ 100°C, 30 min. cure
29.5
32.1
70 Hrs. @ 125°C, 30 min. cure
50
63.2
After Air Oven Aging 70 Hrs. @ 125°C, 20 min. cure
Tensile, % Change
+14
-15
Elongation, % Change
-11
-23
Hardness, Pts. Change
+12
+6
349
NITRILE
FUEL HOSE
Continued
After Immersion in ASTM Oil #3 70 Hrs. @ 100°C, 20 min. cure
Tensile, % Change
+7
-28
Elongation, % Change
0
-20
Hardness, Pts. Change
0
-7
Volume Change, %
+12.8
+10.6
After Immersion in ASTM Fuel B 70 Hrs. @ 23°C, 20 min. cure
Tensile, % Change
-52
-60
Elongation, % Change
-32
-43
Hardness, Pts. Change
-9
-15
Volume Change, %
+32.5
+29.6
After Immersion in ASTM Fuel C 70 Hrs. @ 23°C, 20 min. cure
Tensile, % Change
-62
-68
Elongation, % Change
-51
-55
Hardness, Pts. Change
-12
-17
Volume Change, %
+51.2
+47.4
Low Temperature
Brittle Point, °C, 20 min. cure
F@-32
F@-32
350
THE RUBBER FORMULARY
FUEL HOSE
Enichem
Recipe
Europrene N OZO 7039
100
ZnO
3
Stearic acid
0.5
Mistron Vapor
12
Vulkanox MB2
2
Anox HB
1.5
Durosil
12
N 990 MT
70
Socal U
12
DOP
9
Struktol WB 300
9
TMTD
3
MBTS