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ULTRAFLEX represents our top product in terms of spring performance - the level of 800,000 strokes is easily surpassed
with this spring.
Three different colors, available in three versions (82, 92 and 94 Sh.A. hardness) with the following specifications:
HARDNESS |
|
ShA |
82 |
92 |
94 |
BREAKING STRENGHT |
DIN 53504 |
MPa |
48 |
50 |
55 |
ELONGATION AT BREAK |
DIN 53504 |
% |
560 |
475 |
500 |
300% MODULE |
DIN 53504 |
MPa |
8,1 |
17,6 |
25 |
TEAR RESISTANCE |
DIN 53515 |
KN/m |
86 |
89 |
120 |
COMPRESSION SET |
DI N 53517 |
% |
25 |
18 |
19 |
ABRASION |
DIN 53516 |
mm 3 |
58 |
82 |
65 |
REBOUND |
AL/4E |
% |
43 |
39 |
45 |
COLOR |
|
|
yellow |
red |
green |
 RESISTANT TO CHEMICAL AGENTS |
 |
| A) |
No effect |
| B) |
Minimum effect |
| C) |
Severe effect |
|
Acetone |
C |
Hydraulic oils |
B |
20% Acetic acid |
C |
Hydrogen |
B |
| Ammonium hydroxide sol. |
A |
Kerosine |
B |
| ASTM oil 70°C |
C |
Lubricating oils |
B |
| Benzol |
C |
Magnesium chloride sol. |
B |
| Boric acid sol. |
B |
Mercury |
B |
| Butane |
B |
Methyl alcohol |
B |
Calcium bisulfite sol. |
B |
Methyl ethyl ketone |
C |
Calcium hydroxide sol. |
B |
Mineral oil |
A |
Carbon dioxide |
A |
Naphtha |
B |
Carbon monoxide |
A |
10% Nitric acid |
C |
Carbon tetrachloride |
C |
Oleic acid |
B |
Cupric chloride sol. |
A |
Perchloroethylene |
C |
Cupric sulfate sol. |
A |
Phenol |
C |
Ethyl acetate |
C |
SAE oil 70°C |
C |
Ethyl alcohol |
B |
Soap sol. |
B |
Ethylene glycol |
B |
46% Sodium hydrate |
B |
Formic acid |
C |
50-80% Sulfuric acid |
C |
Freon-11 |
B |
10% Tannic acid |
B |
Freon-12 +54°C |
B |
Tartaric acid |
C |
Freon-22 |
C |
Toluol |
C |
Gasoline |
B |
Trisodium phosphate sol. |
B |
Glycerol |
B |
Trichloroethylene |
C |
Glue |
A |
Turpentine |
B |
20% Hydrochloric acid |
C |
Water 50°C |
B |
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| RESISTANCE TO HEAT |
|
The maximum operating temperature is 80°C. Consider that the mechanical specifications decrease by 65% under those conditions. However, exposure to temperatures of up to 120°C is permitted for brief periods. |
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| RESISTANCE TO COLD |
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The base mix in ADIPOL withstands -40°C.
The advisable limit for the ULTRAFLEX range is +10°C. |
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