Sealtech

Lining in EPDM<br />
<br />
Physico-Chemical features:<br />
<br />
Material: EPDM according to NBR-13756<br />
<br />
Properties:<br />
<br />
units<br />
<br />
requirements<br />
<br />
found<br />
<br />
1.1 Hardness (NBR 7462)<br />
<br />
Shore<br />
<br />
60-70<br />
<br />
64<br />
<br />
1.2 Tensile Strength (NBR7462)<br />
<br />
Mpo<br />
<br />
minimum 7<br />
<br />
11<br />
<br />
1.3 Stretching the Rupt (NBR 7462)<br />
<br />
<br />
%<br />
<br />
<br />
minimum 250<br />
<br />
<br />
310<br />
<br />
1.4 Deformation ASTM D395 Compression heat resistance NBR 6565<br />
<br />
<br />
%<br />
<br />
<br />
maximum 35<br />
<br />
<br />
19<br />
<br />
1.5 Variation of Hardness<br />
<br />
<br />
Shore<br />
<br />
<br />
Maximum 10 +<br />
<br />
<br />
4<br />
<br />
1.6 Variation of the breakdown voltage<br />
<br />
<br />
%<br />
<br />
<br />
Maximum - 35<br />
<br />
<br />
-25<br />
<br />
1.7 Change in elongation break<br />
<br />
<br />
%<br />
<br />
<br />
maximum -50<br />
<br />
<br />
-29<br />
<br />
1.8 Ozone Resistance NBR 8360<br />
<br />
<br />
fission<br />
<br />
<br />
0<br />
<br />
<br />
0<br />
<br />
1.9 Ash content<br />
<br />
<br />
%<br />
<br />
<br />
7<br />
<br />
<br />
5.9<br />
<br />
The tolerances of the elastomers Seal Technology, follow the standards set by AFEAL, transcripts of DIN 7715.