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Epoxy Glass Cloth Laminates Sheet(1)
  1. 3240

  2. 3240-1

  3. F880

  4. F881

  5. F882

  6. F883

 

Epoxy Glass Cloth Laminated Sheet

Properties

Unit

Grade

3240

3240-1

F880

F881

F882

F883

Flexural Strength perpendicular to laminations

 

MPa

           

A: under normal conditions

 

340

320

340

340

340

340

E-1/150: 150±5

 

_

_

_

_

170

170

Impact Strength parallel to laminations (Charpy)

KJ/m2

33

30

33

33

33

33

Insulation Resistance after immersion in water

(D-24/23)

W

5.0×108

1.0×108

5.0×108

5.0×108

5.0×108

5.0×108

Dielectric Strength perpendicular to laminations

(in 90±2 transformer oil, 1 mm in thickness)

MV/m

14.2

14.2

14.2

14.2

14.2

14.2

Breakdown Voltage parallel to laminations

(in 90±2 transformer oil)

KV

35

30

40

40

40

40

Permittivity (50Hz)

5.5

_

5.5

5.5

5.5

5.5

Permittivity (1MHz)

5.5

_

5.5

5.5

5.5

5.5

Dissipation Factor (50Hz)

0.04

_

0.04

0.04

0.04

0.04

Dissipation Factor (1MHz)

0.04

_

0.04

0.04

0.04

0.04

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

mg

19

19

19

19

19

19

Density

 

g/cm3

(1.70-1.90)

(1.70-1.90)

(1.70-1.90)

(1.70-1.90)

(1.70-1.90)

(1.70-1.90)

Flammability

 

FV0

FV0

Color

 

Natural

Natural

Green

Green

Natural

Natural

         

Green

Green

Reference Standard

 

GB/T1303.1

-1998

Enterprise Standard

Characteristics & Applications:

1.3240: Mechanical, electrical, electronic applications; high strength under moderate temperature, and good electrical properties under high humidity

2. 3240-1: Economical product versus 3240, with lower properties than 3240

3. F880: Similar to NEMA Grade G-10, mechanical, electrical and electronic applications; high strength under moderate temperature; good electrical properties under high humidity

4. F881: Similar to NEMA Grade FR-4, with high mechnical strength at room temperature, good electrical properties under dry and humidity conditions, flame retardant, suitable for mechanicl, electrical and electrical and electronical applications

5. F882: Similar to NEMA Grade G-11, with high strength at room temperature and 150, good electrical properties under dry and humidity conditions, used for making insulating parts in electrical, electronical and other industries

6. F883: Similar to NEMA Grade FR-5, with high strength at room temperature and 150, good electrical properties under dry and humidity conditions, flame retardant, used for making insulating parts in electrical, electronical and other industries

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