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Phenolic Paper Laminated Sheet

laminates sheets paper base
  • 3020

  • 3021

  • 3021B

  • 3021C

Phenolic Paper Laminated Sheet (1)

Properties

Unit

Grade

3020

3021

3021B

3021C

Flexural strength perpendicular to laminations

MPa

120

120

90

90

Bonding strength (10mm in thickness)

N

3600

3200

3000

2800

Insulation resistance after immersion in water (D-24/23)

W

-

1.0×107

-

-

Dielectric strength perpendicular to laminations

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

MV/m

15.8

(E-96/105)

12.1

14

(20±5)

12

(20±5)

Breakdown voltage parallel to laminations

(in 90±2?? transformer oil)

KV

35 (E-96/105)

20

12

(20±5)

10

(20±5)

Permittivity (50Hz)

5.5

-

-

-

Permittivity (1MHz)

-

5.5

-

-

Dissipation factor (50Hz)

0.05

-

-

-

Dissipation factor (1MHz)

-

0.05

-

-

Density

 

g/cm3

(1.3-1.4)

(1.3-1.4)

(1.30-1.45)

(1.30-1.45)

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

mg

204

182

Color

 

Natural

Natural Chocolate

Chocolate

Chocolate

Reference standard

 

JB/T8149.1-2000

 

Enterprise Standard

 

Characteristics & Applications:

1. 3020High voltage applications at power frequencies. High electrical strength under oil. Good electrical properties in air under normal humidity

2. 3021:Suitable for electrical and mechanical applications, good electrical properties in air under normal humidity

3. 3021B, 3021C:Economical products versus 3021, with lower properties than 3021

 
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