Epoxy Glass Cloth Laminates

1

Flexural strength perpendicular to laminations – under normal room temperature

                       常温下垂直层向弯曲强度                         

MPa

≥ 340

370

2

Notch Impact strength parallel to lamination (Notched charpy)

             平行层向冲击强度 (简支梁法)             

kJ/m²

≥ 33

54

3

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

垂直层向电气强度 (90±2℃油中) , 板厚1mm     

kV/mm

≥ 14.2

22

4

Breakdown voltage parallel to laminations

(in oil 90±2℃)

平行层向击穿电压 (90±2℃油中)

  kV

≥ 35

41

5

1MHz dielectric coefficient

1MHz介电常数

   -

≤ 5.5

4.71

6

1MHz loss factor

1MHz介质损耗因数

-

≤ 0.04

0.021

7

Water absorption, 1.6mm in thickness

                    吸水性, 板厚1.6mm                     

mg

≤ 19

10

8

Insulation resistance Impregnated in water, D-24/23

浸水后绝缘电阻，D-24/23

Ω

≥5.0×10⁸

8.5×10⁸

9

Density

密度

g/cm³

1.70-1.90

1.89

10

Thermic endurance

耐温等级

℃

130

B

11

Tolerance

厚度公差   1mm

mm

0.82－1.18

1.05