FUDI supply three types of perfluoroelastomer ffkm compound & ffkm polymer.
A. It has the broadest working temperature range and wide resistance to chemical media.
Features
● Outstanding resistance to high temperature up to 300-320℃
● Outstanding resistance to aggressive chemicals;
● Outstanding steam resistance;
● Outstanding compression set even at very high temperatures;
● Processability by standard fluoroelastomer technology on convential rubber equipments.
● Price is the most expensive.
Application
O-rings, seals, diaphragms and other parts used in process industries.
MOQ
300grams
Datas for reference
| Thermal resistance |
| Heat aging 70 h @ 280℃ |
| 100% Modulus Mpa |
9.5 |
| Tensile strength Mpa |
19.5 |
| Elongation at break % |
215 |
| Hardness Shore A |
72 |
| Heat aging 70 h @ 300℃ |
| 100% Modulus Mpa |
7.5 |
| Tensile strength Mpa |
17 |
| Elongation at break % |
260 |
| Hardness Shore A |
72 |
| Heat aging 70 h @ 316℃ |
| 100% Modulus Mpa |
6.5 |
| Tensile strength Mpa |
14 |
| Elongation at break % |
320 |
| Hardness Shore A |
72 |
B. It has limited working temperature range and widest resistance to chemical media.
Features
● Outstanding resistance to high temperature up to 250~260℃
● Outstanding resistance to aggressive chemicals;
● Outstanding steam resistance;
● Outstanding compression set even at very high temperatures;
● Price is cheaper than grade A.
Application
O-rings, seals, diaphragms and other parts used in harsh environment.
MOQ
300grams
Datas for reference
| Hardness Shore A |
74 |
| Gravity / |
1.99 |
| Tensile strength Mpa |
24.5 |
| 100% Modulus Mpa |
7.5 |
| Elongation % |
200 |
| Compression set 72 h @ 200℃ |
18.1 |
| Compression set 72 h @ 230℃ |
26.7 |
Chemical resistance (For Ketone, Ester, Ether)
| Chemical |
Temp |
Change after 168hr (%) |
Change after 500hr (%) |
| Acetone |
40℃ |
2.5 |
3.3 |
| Methyl ethyl ketone |
2.2 |
3.2 |
| Isophorone |
0.1 |
0.5 |
| Ethyl acetate |
3.1 |
3.8 |
| Dioxane |
1.2 |
2.0 |
| Methyl isobuthyl ketone |
1.2 |
2.0 |
| Acetylacetone |
0.8 |
1.3 |
| Buthyl acetate |
1.5 |
2.5 |
| Diethyl ether |
25℃ |
2.6 |
4.3 |
C. It has limited working temperature range and good resistance to chemical media.
Features
● Outstanding resistance to high temperature up to 240℃
● Outstanding resistance to aggressive chemicals;
● Outstanding steam resistance;
● Outstanding compression set even at very high temperatures;
● Processability by standard fluoroelastomer technology on conventional rubber equipments.
● Price is cheapest.
Datas for reference
| Hot air aging |
|
|
300℃×24Hrs |
|
GB/T 3512-2014 |
| Tensile strength |
% |
|
|
-18.1 |
|
| Elongation |
% |
|
|
17.1 |
|
| Hardness change |
|
|
|
0.2 |
|
| Compression set |
|
|
23℃×70Hrs |
|
GB/T 7759.1-2015 |
| Compression set |
% |
|
|
11.2 |
|
| Compression set |
|
|
204℃×70Hrs |
|
GB/T 7759.1-2015 |
| Compression set |
% |
|
|
22.7 |
|
| Compression set |
|
|
250℃×70Hrs |
|
GB/T 7759.1-2015 |
| Compression set |
% |
|
|
33.2 |
(There’re cracks) |
| Fule RP-3 |
|
|
150℃×24Hrs |
|
GB/T 1690-2010 |
| Tensile strength |
% |
|
|
-14.3 |
|
| Elongation |
% |
|
|
5.8 |
|
| Hardness change |
|
|
|
-2 |
|
| Volume change |
% |
|
|
4.6 |
|
| Low temperature |
|
|
|
|
GB/T 15256-2014 |
| Brittle temperature |
|
℃ |
|
-30 |
|