Phenolic Cotton Cloth Laminated Sheets (3025, NEMA C CE L LE and
IEC PFCC) are made of several layers of cotton cloth impregnated
phenolic resin by processing under heat and pressure, which are
widely used in High mechanical properties, machined as insulating
construction parts.
Data Form
Phenolic Cotton Cloth Laminated Sheet (Similar to NEMA C/CE/L/LE)
Properties
Unit
Value
Flexural strength perpendicular to laminations
MPa
≥100
Bonding strength ( ≥10mm in thickness)
N
-
Impact strength parallel to laminations (Charpy)
KJ/m2
≥8.8
Insulation resistance after immersion in water (D-24/23)
W
≥1×106
Dielectric strength perpendicular to laminations (in 90ą2℃ transformer oil, 1 mm in thickness)
MV/m
≥0.82
Breakdown voltage parallel to laminations (in 90ą2℃ transformer oil)