Product Description
Electrical Insulation Paper
Electrical insulation paper applies to rated voltage not more than 500kv transformers, reactors and other inter-turn insulation paper.
Electrical insulation paper is roll paper, rell width of 625mm-960mm, roll diamter 550-650mm, or according to the provision of the contract order.
Aprrarent Density: 1.0-1.25g/cm3
Material: Unbleached sulphate pulp thickness: 0.05-0.25mm
Color: Brown,
2. USE: In Transformer for electrical Purpose :
3. MATERIAL : 100% Sulphate / Kraft Pulp
4. COLOUR : Natural Brown
5. CHARACTERISTICS
a) Density :0.76 ± 0.06 Kg/dm3
b) Tensile Strength at 200C, :i) Longitudinal Direction - 4.5 Kgf/mm2 minimum.
65% Relative Humidity ii) Transverse Direction - 1.5 Kgf/mm2 minimum.
c) Elongation at 200C, i) Longitudinal Direction - 2% min.
65% Relative Humidity ii) Transverse Direction - 3% min.
d) Ash content - Less than 1%
e) Moisture content in the supplied condition: 5% to 7%.
f) Die-electric breakdown strength voltage :- 7 KV/mm (min).
g). PH value (water extracting method):- 7 to 9.5
h) The loss of mechanical strength lengthwise must not exceed 2% after heating at 120oC for 10(ten) hours.
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