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Page 3
Natural Ribber/
Povisodrene
Polybutadine
SER
Polynobonene
Ethylene
propylene
polymers
Butyl Rubber
Polychloroprene
ISO Designation
ACM
FZ
MQ/VMQ/PVMQ
FMQ/FVMQ
FKM
FKM
Maximum Temperature, C
150
160
175
200+
200+
225+
250+
Macimum Temperature, C
-30
-30
-55
-60
-55
-5
-5
Physical Properties
Density Range (Mg/m3)
1.03
0.97-0.99
1.3-1.8
1.40-1.95
2.01-2.02
Hardeness range shore A
40-90
40-90
35-90
25-90
25-90
55-95
55-95
Tensile Strength(approx max),psi
2500
2200
2000
1250
1250
2500
250
Elongation
(approx max), %
Tear Strength
P-F
P-F
P-F
P-F
P-F
F
F
REsilience
F-G
F-G
F-G
F-G
F-G
F
F
Abrasion Ressistance
F-G
F-G
F
P-F
P-F
F-G
F-G
Compreeion Set Resistance
G
G
G
G-E
G
G-E
G-E
Impemeability
F
F-G
F
P-F
P-F
G-E
G-E
Electrical Resistivity
F
F
F
E
G
G
G
Low Temperature Flexibility
P-F
P-F
E
E
E
F-G
F
Environmental Resistance
Ozone Resistance
E
E
E
E
E
E
E
UV Resistance
E
E
E
E
E
E
E
Flame Resistance
P-F
P
G
F-G
F-G
F-G
G-E
 
Water
E
P-F
F
G
G
E
G-E
Steam (>120 c)
P
P
P
P-F
P-F
P-F
G
Acid
P-F
F
VG
F
VG
Basses
P
F
VG
F
VG


P=Poor, F=Fair, G=Good, VG=Very good, E=Excellent