Rubber for the manufacture of insulating and fixed joints of transformers and similar electrical facilities, it is resistant to transformer oils and possesses high dielectric performance.
- With increased resistance to ozone aging
It is possible to supply both a semi-finished product for further independent cutting of gaskets and finished products according to customer drawings.
|Indicator||Universal rubber||With increased resistance to ozone aging|
|Operating temperature range||From -60 to +100оС||From -55 to +50оС|
|Mass change after exposure to transformer oil at + 1000C for 24 hours (%)||From -3 to +5||–|
|Nominal tensile strength, MPa (kgs/cm2), not less||6,4 (65)||7,8 (80)|
|Elongation at break, %, not less||200||160|
|Rate of set under compression in air for 24 hours,%, not more than:
At 500C under 20% compression
At 1000C under 30% compression
|Coefficient of frost resistance for elastic recovery after compression, not less than:
At a temperature of -45оС
At a temperature of -50оС