Class H epoxy glass cloth laminated sheet

1.       Performance:

No.

Detection Project

Unit

Test Results

Standard

Method

1

Vertical layer to the bending strength

MPa

Normal

562

180 ℃ bending strength retention of not less than 50%

 

IPC-TM-650

180℃

341

2

Vertical layer to the electrical strength

(90 ℃ oil)

KV/mm

14.4

≥13

GB/T1408.1

-2006

3

Breakdown voltage parallel to laminations

(90 ℃ oil)

KV

41.3

≥35

GB/T1408.1

-2006

4

Insulation resistance after immersion in water

1.7x107

≥5x104

GB/T10064

-2006

5

Dielectric constant (1MH8)

4.29

≤5.5

GB/T1303.2

-2009

6

Dielectric loss factor (1MH2)

0.008

≤0.04

GB/T1303.2

-2009

7

Absorbent

mg

11.7

≤19

GB/T1034

-2008

8

Tg (DSC method)

198.9

IPC-TM-650

 

2.       Characteristics:

High mechanical strength at high temperatures, similar to: GB/T1303.4-2009, EPGC308

Temperature grade: H

Usage: machinery, electrical, electronic use for high-temperature environment mainly as motors, electrical equipment in the insulation parts and components.

Standard size: 1020x1212mm, 915x1220mm, 1020x2050mm

Thickness: 0.1mm ~ 100mm

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