| COMPARATIVE TABLE OF MAIN ELASTOMERS |
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GENERAL
PROPERTIES |
1 |
Base polymer (General denom.)) |
Natural Rubber |
Natural Synthetic |
Butadiene |
S.B.R. |
Butyl |
E.P.D.M. |
Hypalon |
Neoprene |
Acryl
Nytril |
Carboc.
Nytril |
Hidrog.
Nytril |
Acrylic |
Thiokol |
Viton |
Fluorine silicone |
Silicons |
Uretan |
Drina Epiclori |
Norsorex |
Vamac |
Tyrin |
| 2 |
Chemical name |
Poliisopreno |
Poliisopreno |
Polibuta-dieno |
Butadieno estireno |
Poliisobuti leno |
Etileno propileno |
Polietileno propileno |
Policloro preno |
Butadieno acrilo nitrilo |
Acrilo nitrilo carboxilado |
Acrilo nitrilo hidrogenado |
Poliacrílico |
Polisulfuro |
Hidrocarburo fluorado |
Fluor vinil silano |
Polisiloxano |
Poliuretano |
Epicloridrina |
Polinorbo neno |
Etil acrilato |
Polietileno clorado |
| 3 |
Designation ASTM 0-1418 |
NR |
IR |
BR |
SBR |
IIR |
EPDM-EPM |
CSM |
CR |
NBR |
XNBR |
HNBR |
ACM |
PR |
FKM |
FVMQ |
PMQ-PVMQ |
AU-EU |
CO-ECO |
PNR |
EA |
CM |
| 4 |
Clasif. SAE J.200 ASTM 02000 |
AA |
AA |
AA |
AA-BA |
AA-BA |
CA-AA-BA |
CE |
BC-BE |
BF-BG-BK |
BF-BG-BK |
BK-CH-HK |
DF-DH |
AK-BK |
HK |
FK |
FE-FC-FG |
BG |
BK |
AA-BA |
FC-GE |
BC-BE-CE |
| 5 |
Relativ taking SBR=1 |
1,2 |
1,5 |
1,5 |
1 |
2,5 |
3 |
2,75 |
2,5 |
2,5 |
6,5 |
40 |
3,5 |
3 |
55 |
60 |
12 |
4 a 10 |
3 a 6 |
2 |
3 |
2,4 |
| 6 |
Specific weight (gr/cm3) |
0,92 |
0,91 |
0,91 |
0,94 |
0,92 |
0,88 |
1,18 |
1,25 |
1 |
0,98 a 1 |
0,98 |
1,09 |
1,35 |
1,86 |
1,4 |
1,1 a 1,6 |
1,25 |
1,27 a 1,36 |
0,96 |
1,03 a 1,12 |
1,16 a 1,22 |
| 7 |
Coefficient of thermal expansion
(10-6 ºC) |
66,6 |
66,6 |
67,s5 |
66,6 |
57,6 |
57,6 |
48,6 |
61,2 |
70,2 |
S/D |
S/D |
18 |
18 |
68,4 |
81 |
81 |
48,6 |
54,8 |
58 |
S/D |
S/D |
| 8 |
Adhesion to metals /weaves |
E/E |
E/E |
E/B |
E/B |
P-B/B |
P-B/B |
E/B |
E/E |
B-E/B |
B/B |
B/B |
B/B-E |
P/P |
P-B/B |
B/E |
B/E |
E/B-E |
E-B/P-B |
B/B |
B/B |
B/B |
| 9 |
Taste |
P-B |
P-E |
P-B |
P-B |
P-B |
B |
P-B |
P-B |
B |
B |
B |
P-B |
N |
P-B |
B |
E |
C |
B |
S/D |
B |
B |
| 10 |
Smell |
B-E |
B |
B |
B |
B |
B |
B |
P-B |
B |
B |
B |
P |
N |
B |
B |
E |
E |
B |
B |
B |
B |
| 11 |
No spot |
E |
E |
B |
P |
B |
B |
E |
B-E |
P |
P |
P-B |
B |
P |
P-B |
E |
E |
B |
B |
B |
B |
E |
| 12 |
Rank of temperature work |
de -20 a 70 |
de -20 a 80 |
de -20 a 80 |
de -10 a 70 |
de -15 a 150 |
de -35 a 150 |
de -35 a 160 |
de -10 a 100 |
de -35 a 130 |
de -30 a 130 |
de -30 a 175 |
de -10 a 190 |
de -10 a 80 |
de -10 a 230 |
de -80 a 250 |
de -80 a 250 |
de -30 a 170 |
S/D |
de 0 a 70 |
de -15 a 175 |
de -35 a 160 |
| |
| PHYSICAL PROPERTIES |
Generals
ambient temperature |
13 |
Rank of hardness (ºSh) |
30-100 |
40-80 |
40-90 |
40-100 |
40-90 |
30-90 |
45-100 |
30-95 |
40-95 |
40-95 |
40-95 |
40-90 |
40-85 |
60-90 |
40-80 |
25-90 |
35-100 |
50-90 |
10-60 |
50-90 |
60-90 |
| 14 |
Resistance to the maxim traction (Kg/cm2) |
300 |
300 |
200 |
220 |
200 |
200 |
250 |
250 |
250 |
250 |
250 |
150 |
100 |
200 |
100 |
0 |
450 |
150 |
220 |
150 |
175 |
| 15 |
Maxim breakage extension (%) |
650 |
650 |
650 |
600 |
800 |
600 |
500 |
600 |
650 |
550 |
350 |
450 |
450 |
300 |
400 |
900 |
750 |
350 |
600 |
450 |
600 |
| 16 |
Permanent compression set |
E |
E |
B |
B |
P |
B |
P-B |
B |
B |
E |
B-E |
B |
C |
B-E |
P-B |
B-E |
B |
C |
B |
B |
B |
| 17 |
Resilience |
E |
E |
E |
B |
P |
B |
P |
E |
B |
B |
P |
B |
P |
P |
P |
B |
P-B |
P-B |
B |
B-E |
P |
| 18 |
Permeability to gases
(10-3cm2seg-1atm) |
6,12 (P) |
6,12 (P) |
20 (N) |
4,8 (P) |
0,25 (E) |
6,4 (P) |
0,8 (B) |
0,89 (B) |
0,89 (B) |
0,88 (E) |
0,9 (B) |
0,88 (B) |
0,58 (B) |
0,2 (E) |
165 (N) |
200 (N) |
0,95/16 (C) |
0,68 (B) |
2 (B) |
0,4 (E) |
0,9 (B) |
| 19 |
Electrical resistance |
E |
E |
E |
E |
E |
E |
B |
P |
C |
C |
P-B |
P |
P |
B |
E |
E |
B |
B |
E |
B |
P-B |
| |
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| Mechanical ambient temperature |
20 |
Resistance to the flexion |
B/E |
B/E |
B/E |
B |
B |
N |
P/B |
B/E |
B |
B/E |
B |
P/B |
P |
P |
S/D |
N |
N |
S/D |
N |
B |
B |
| 21 |
Resistance to the abrassion |
E |
B |
E |
B-E |
P |
B |
B-E |
B-E |
B |
E |
B-E |
P-B |
C |
B |
C |
P-B |
E |
B |
P-B |
B |
P |
| 22 |
Resistance to the tear |
E |
E |
B |
P |
B |
P |
B |
B |
B-E |
B |
N |
N |
B |
N |
N-P |
E |
P-B |
P |
S/D |
S/D |
S/D |
| 23 |
Resistance to the impact |
E |
E |
B |
E |
B |
B |
B |
B |
P |
E |
B-E |
C |
C |
B |
C |
C-P |
E |
P-E |
B |
B-E |
B-E |
| |
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High
temperatures |
24 |
Aging to 100ºC |
P-B |
P-B |
P |
B |
B-E |
E |
B-E |
B-E |
B |
B |
E |
E |
P-B |
E |
E |
E |
B |
B-E |
B-E |
B |
B |
| 25 |
Elasticity to 100ºC |
B |
B |
B |
B |
P |
P-B |
P |
B |
B |
B-E |
E |
P |
C |
B-E |
B-E |
E |
C |
P-B |
B |
B-E |
B |
| 26 |
Resistance to the flame |
N |
N |
C |
C |
C |
C |
B-E |
E |
C |
C |
C |
C |
N |
E |
E |
E |
C |
P-E |
B |
E |
E |
| |
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Low
temperatures |
27 |
Rigidity temperature (ºC) |
de -30 a -45 |
de -30 a -45 |
de -35 a -45 |
de -18 a -45 |
de -25 a -40 |
de -30 a -45 |
de -35 a -45 |
de -10 a -45 |
de -10 a -45 |
-45 |
-25 |
de +2 a -10 |
de -25 a -45 |
de -10 a -25 |
-55 |
de -50 a -82 |
de -25 a -35 |
de -25 a -40 |
-35 |
-15 |
-25 |
| 28 |
Glass point (ºC) |
-65 |
-65 |
-75 |
-65 |
-65 |
-70 |
-55 |
-65 |
-45 |
-50 |
-38 |
-7 |
-55 |
-50 |
-60 |
-50 |
de -50 a -93 |
de -25 a -45 |
-65 |
-35 |
-50 |
| |
| RESISTANCE |
Ambientals |
29 |
Oxygen |
B |
B |
B |
P |
E |
E |
E |
E |
B |
P-B |
E |
E |
B |
E |
E |
E |
B |
B |
P-B |
E |
E |
| 30 |
Ozone |
N |
N |
N |
N |
E |
E |
B-E |
B |
P |
P |
B |
B |
B |
E |
E |
E |
E |
B-E |
P-B |
E |
E |
| 31 |
Water and solar light |
C |
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C |
C |
E |
E |
E |
B-E |
C |
C |
B |
E |
B |
E |
E |
E |
E |
B |
P-B |
B |
B |
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| Chemicals |
32 |
Water / steam |
E/B |
E/B |
E/B |
B/P |
E/B-E |
E/E |
B/B |
B/B |
B/P-B |
P/B-P |
B/B |
C/N |
B/C |
E/B |
E/P-B |
E/P |
P-B/C |
B/B |
B/ S/D |
P-B/P |
E/B |
| 33 |
Alcalis diluted/ concentrated |
E/P-B |
P-B/P-B |
P-B/P-B |
P-B/P-B |
E/E |
E/E |
E/E |
E/E |
B/B |
B/B |
E/B |
B/B |
B/B |
E/E |
E/B |
E/E |
P/C |
B/C |
P/P |
B/E |
B/B |
| 34 |
Acids diluted/ concentrated |
E/P-B |
P-B/P-B |
P-B/P-B |
P-B/P-B |
E/E |
E/E |
E/E |
E/E |
B/B |
B/B |
E/E |
B/B |
P/N |
B/P |
E/B |
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P/C |
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| 35 |
Alifatic hydrocarbons (kerosene, etc.) |
N |
N |
N |
N |
N |
N |
P |
P |
E |
E |
B-E |
E |
E |
E |
E |
P/C |
B |
B-E |
P/B |
S/D |
P |
| 36 |
Aromatics Hydrocarb. (benzene,toluen) |
N |
N |
N |
N |
N |
N |
B |
B |
B-E |
B-E |
P |
P-B |
P-B |
E |
N |
N |
P |
B-E |
P |
P |
N |
| 37 |
Chlorinated hydrocarbons, detergent |
N |
N |
N |
N |
N |
N |
C |
C |
P-B |
P-B |
P |
B |
P-B |
E |
N |
N |
P-B |
E |
N |
P/B |
P |
| 38 |
Ketones, reliable oxygenated |
B |
B |
B |
B |
B-E |
B-E |
B |
P |
C |
C-P |
P |
C |
E |
N |
C |
P-B |
C |
P |
P |
B-E |
N |
| 39 |
Alcohols |
B-E |
B |
B |
B |
B-E |
B-E |
E |
E |
P-B |
P |
E |
C |
B |
P-B |
P-B |
P-B |
B |
P-B |
S/D |
B-E |
B |
| |
| SWELLING |
Oils |
40 |
Animals and vegetals |
C |
C |
C |
C |
B-E |
B |
B |
B |
B |
B |
P-B |
B |
E |
E |
E |
E |
E |
E |
B |
B |
B |
| 41 |
Fuel oil |
N |
N |
N |
N |
N |
N |
B |
B |
E |
E |
E |
B |
E |
E |
E |
P |
P-B |
B-C |
N |
B |
B |
| 42 |
Synthetic lubricants diester |
N |
N |
N |
N |
N |
N |
C |
C |
P-B |
P |
P-B |
C-P |
P-B |
E |
E |
N |
C |
B |
N |
B |
B |
| 43 |
Low point lubricants aniline < 190ºC |
N |
N |
N |
N |
N |
N |
B |
E |
E |
E |
E |
E |
E |
E |
E |
B |
B |
E |
N |
P |
P |
| 44 |
High point lubricants anilyn > 190ºC |
N |
N |
N |
N |
N |
N |
E |
B |
B |
B |
E |
E |
E |
E |
E |
P |
E |
E |
N |
S/D |
P |
| 45 |
Liquid of brake bases nonhydrocarbon |
B-E |
B |
B |
B-E |
B |
B-E |
C |
C |
N |
N |
N |
C |
C |
P |
E |
E |
N |
C |
B |
S/D |
B |
| |
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| Hydraulic fluids |
46 |
Base hydrocarbon |
N |
N |
N |
N |
N |
N |
P-B |
C-P |
B |
B |
E |
E |
E |
E |
E |
N |
B |
E |
N |
S/D |
C |
| 47 |
Hydro-glycol |
B-E |
B-E |
B-E |
B-E |
B-E |
E |
B |
B |
P |
P |
P-B |
P-B |
E |
E |
E |
E |
B-P |
B |
B |
P |
P |
| 48 |
Silicic Ester |
B-E |
B-E |
B-E |
B-E |
B-E |
B-E |
B |
C |
B |
B |
B |
B |
B |
E |
E |
N |
N |
B |
B |
S/D |
B |
| 49 |
Phosphoric Ester |
B |
B |
B |
B |
E (250ºC Max) |
E (300ºC max) |
P |
P |
C |
C |
C |
C |
B-E |
B-E |
N |
B |
N |
N |
S/D |
S/D |
N |
| |
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| Refrigerantings |
50 |
Ammoniacal |
B |
B |
B |
B |
B |
B |
B |
E |
B |
B |
E |
P |
N |
N |
E |
E |
C |
N |
S/D |
S/D |
B |
| 51 |
Meter chloride |
C |
C |
C |
C |
P |
C |
N |
N |
N |
N |
N |
N |
B |
B |
B |
N |
N |
C |
S/D |
S/D |
N |
References: E = Excelent / B = Good / P = Poor / C = Use in special cases / N = do not use / S/D = non determined
Note: This table has for object to offer an orientation of the behavior of the main elastometers
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