PHENOLIC PAPER LAMINATED MODEL 3021
Model 3021 phenolic Paper Laminate is made of insulating paper impregnated with phenolic resin and hot pressed.It is suitable for use in transformer oil and in machineries motors and electric appliances where insulating pieces and parts of high mechanical property are required.
Area |
720 x 860mm2 970 x 1960mm2 |
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Thickness |
0.8-50mm tolerance ± 0.11-1.20mm |
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Specific gravity |
1.30-1.45 |
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Thermal stability |
for thickness of 20mm & under 115℃ 20mm up90 ℃ |
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Bending strength |
min.1200kgf/cm2 |
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Adhesive strength |
min.320kgf |
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Tensile strength |
min.1000kgf/cm2 |
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Impact strength |
min.15kgf·cm/cm2 |
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Parallel-to-laminate insulating resistance |
in normal state min,1.0 x 199ohm in wetted state (24hours after treatment under a relative humidity of 95±3% at 20±5℃)min. 1.0 x 107 ohm. |
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Vertical-to-laminate Dielectric strength |
(under dielectric test for five minutes in transformer oil of 20±5℃) for thickness of 0.8-1.0mm min. 16kV/mm 1.1-2.0mm 15kV/mm 2.1-3.0mm 13kV/mm for sheet of 3.0mm up with one side processed min.13kV/mm |
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Parallel-to-laminate breakdown Voltage |
(dielectric strength test for five minutes in trans- former oil of 20±5℃)min.14kV |