Sealing material is compounded with Nitrile (NBR)rubber.This product is suitable for most transformer oils at application
Date sheet
| Serial number |
Test project | Index | The test results |
| 1 | Hardness (Shore) | 80±10 | 82 |
| 2 | Tensile streng No less than (MPA0 | 2.5 | 5 |
| 3 | Permanent compression deformation Compression ratio25% 70℃×22h Not more than % |
55 | 38 |
| 4 | Aging in hot air (100℃×70h) | ||
| The hardness change | 0~+10 | 4 | |
| Weight change % | -10~0 | -2.8 | |
| 5 | water-tolerant (100℃×1h ) Volume change % |
-10~+15 | 1.8 |
| 6 | Resistance to 1# standard oil ( 70℃×22h) | ||
| The hardness change | -10~+10 | 2 | |
| Volume change % | 0~+10 | 3.2 | |
| 7 | Volatile oil standard B (23℃×24h) | ||
| The hardness change | -20~0 | -10 | |
| Volume change % | 0~60 | 30 | |
| 8 | Temperature index | -20℃to 120℃ |
– Proven long term performance in the field;
– Products with wide load range and suitable for extreme operation temperatures;
– Tolerance to extreme surface finish conditions and high out-of-flatness flanges;
– Experience in designing gaskets for multiple industries and applications.
