Impregnated with phenolic resin Film Parameter

 

Impregnated with phenolic resin Film Parameter

No.

Project

Unit

3021

3025

3025—A

3026

3027

3241

1

Appearance

Smooth surface, uniform color, no bubbles, no wrinkles, edge cutting neat, no stratification.

2

Density

g/m³

1.25~1.4

1.3~1.4

1.75-1.90

3

Vertical layer bending strength(normality)

MPa

≥120

≥100

≥90

≥110

≥125

≥300

4

Tensile strength

MPa

≥100

≥80

5

Parallel impact strength

(Simply supported beam)

KJ/m2

≥7.8

≥50

6

Parallel layer shear strength

MPa

≥10

≥25

≥25

≥20

≥25

≥30

7

Adhesive strength

N

≥3600

8

Electrical strength

Vertical layer(in 90℃transformer oil )( thickness 1mm )

Kv/mm

≥15.8

≥5.1

≥5.1

≥5.1

≥5.1

≥8.0

Parallel layer breakdown voltage(in 90℃transformer oil )

kv

≥35

≥20

≥35

9

Insulation resistance after water immersion

Ω

≥5*107

≥1.0*108

10

Dielectric constant(1MHz)

≤5.5

11

PTI

≥100

12

Water absorbing ( thickness 1-20mm)

mg

180~970

206~406

136~277

64-193

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