Epoxy Glass Cloth Laminate F885

Properties

Unit

F885

Flexuralstrength

under normal

conditions

≥

MPa

340

E-1/150-50±5 °C

≥

MPa

—

Impact strength parallel to laminations(Charpy)

≥

kJ/m2

33

Dielectric strength perpendicular to laminations(in 90±2°C transformer oil,1mm in  thickness)

≥

kV/mm

—

Breakdown voltage parallel to laminations

(in 90±2°C transformer oil) 

≥

kV

—

Permittivity(48-62Hz)       

≤

—

—

Permittivity(1MHz)      

≤

—

—

Dissipation factor(48-62Hz)       

≤

—

—

Dissipation factor(1MHz)  

≤

—

—

Surface resistance under normal conditions

W

1.0×106-9

Insulation resistance after

impregnated in water (D-24/23)

≥

W

—

Water absorption (D-24/23,1.6mm in thickness)

≤

mg

19

Density

—

g/cm3

1.70-1.90

Flammability

—

Class

—

Color

—

—

Black

Reference standard

—

—

Q/TXXFR002-2009