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.

Technical Data

Area

720 x 860mm2          970 x 1960mm2

Thickness

0.8-50mm tolerance ± 0.11-1.20mm

Specific gravity

1.30-1.45

Thermal stability

for thickness of 20mm & under 115 20mm up90

Bending strength

min.1200kgf/cm2

Adhesive strength

min.320kgf

Tensile strength

min.1000kgf/cm2

Impact strength

min.15kgf·cm/cm2

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 10ohm.

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

Parallel-to-laminate

breakdown Voltage

(dielectric strength test for five minutes in trans-

former oil of 20±5)min.14kV