序 号

No.

项 目

Item

单 位

Unit

试验方法

Testing Method

指 标

Indication

物 理 性 能 Physical Properties

1

密度Density

g/cm

GB/T5130

≥1.8

2

玻璃纤维含量

Glass Fibre Content

%

--

≥60

3

吸水性(10mm)

Water Obsorption

mg

GB/T5130

≤34

4

热膨胀系数

Thermal Expansion Coefficient

1/℃

GB/T1036

11.1×10

5

导热系数

Coefficient of Heat Conductivity

w/m.k

--

0.46

机 械 性 能 Mechanical Properties

6

垂直层向

弯曲强度

Flexural Strengthat perpendicular to lamination

常态(23+2)℃

Under normal

MPa

GB/T5130

≥410

热态(150+5)℃

At heat

MPa

≥240

7

弯曲弹性模量

Modulus of Elasticity in Flexure

MPa

≥24900

8

压缩强度

Compressive strength

垂直层向

At perdicular lamination

MPa

≥350

平行层向

At parallel to lamination

MPa

≥200

9

拉伸强度Tensile strength

纵向Lengthwise

MPa

≥314

横向Crosswise

≥300

10

冲击强度

(简支梁)

Impact strength charp

(无缺口)

No notch

纵向Lengthwise

kJ/ m

≥160

横向Crosswise

≥120

(缺口)

Notched

纵向Lengthwise

≥40

横向Crosswise

11

粘合强度 Bonding strength

N

Q/JBQP51

≥7660

12

平行层向剪切强度

Shear strength at parallel to lamination

MPa

GB/T5130

≥30

13

洛氏硬度 Rochwell strength

HRM

GB/T9342

≥115

电 气 性 能 Dielectric Properties

绝缘电阻

Insulation

Resistance

常态下 Under normal

MΩ

GB/T5130

≥1.0×10

浸水(24+1)h后

After Immersion for24+1h

≥5.0×10

电气强度

(于90℃+2℃变压器油中1min)

Dielectric strength in transformer oil at 90℃ for 1 min

kv/mm

≥14.2

平行层向耐电压

(于90℃+2℃变压器油中1min)

Proof voltage in transformer oil at 90℃ for 1 min

KV

≥45

介质损耗因数(于浸水后，1MHz时)

Dielectric loss factor after immersion at 1MHz

≤0.04

介质常数(于浸水后，1MHz时)

Dielectric loss Constant after immersion at 1MHz

≤5.5

表面电阻率

Surface Resistivity

常态Under normal

MΩ

GB/T1410

≥1.0×10

浸水(23+2℃/24h)

After Immersion of 23+2℃ for 24th

≥1.0×10

体积电阻率

Volume Resistivity

常态 Under normal

MΩ.m

≥1.0×10

浸水(23+2℃/24h)

After Immersion of 23+2℃ for 24th

≥1.0×10

相比电痕化指数

Comparative Trackling Index

GB/T4207

≥200

耐 热 性 能 Thermal Properties

玻璃化转变温度Tg

Glass Transition Temperature

℃

IEC61006

≥172

热压收缩率

Reduction rate of Heat press

%

参考ASTMD621

≤0.40

温度指数 Thermal Index

GB/T11026.1

≥155