TIANJIN H & D SEALING THERMAL INSULATION MATERIALS CO.,LTD

一、SUMMATION
It is made of ethoxyline and glass cloth, type is 3240, high mechanical performance under medium temperature, stable electrical properties under high temperature, fit for machine, electric apparatus and insulating parts for electronics.
二、Requirement
1、 Appearance: surface should be flat and velvet, without wrinkle and crack, avoid other disfigurement, such as scratch, impress, a few spot is available
2、Nominal thickness and permissible error (Unit mm)

Nominal thickness	Permissible error	Nominal thickness	Permissible error	Nominal thickness	Permissible error	Nominal thickness	Permissible error	Nominal thickness	Permissible error
0.4	±0.10	1.2	±0.20	4.0	±0.45	12.0	±0.94	30.0	±1.70
0.5	±0.12	1.6	±0.24	5.0	±0.52	14.0	±1.02	35.0	±1.95
0.6	±0.13	2.0	±0.28	6.0	±0.60	16.0	±1.12	40.0	±2.10
0.8	±0.16	2.5	±0.33	8.0	±0.72	20.0	±1.30	45.0	±2.30
1.0	±0.18	3.0	±0.37	10.0	±0.82	25.0	±1.50	50.0	±2.45

3、Planenessmax windage between laminated board and 1000mm ruler　 Unit: mm

Nominal thickness	Permissible error	Nominal thickness	Permissible error
1.6～3	见注See remark	＞6～8	8
＞3～6	10	＞8	6
Remark: permissible windage towards laminating board with 1.6～3 nominal thickness are under consideration by the state.

4、Performance Index

No.	Performance	Unit	Performance Index
1、	Vertical Bending Strength	Mpa	≥340
2、	Bending Elastic Modulus of Appearance	Mpa	≥24000
3、	Vertical Compression Strength	Mpa	≥350
4、	Parallel shear strength	Mpa	≥30
5、	Peel strength	Mpa	≥300
6、	Parallel Breakdown Voltage (90±2℃ OIL)	kv	≥35
7、	Comparative creepage tracking index	/	≥200
8、	T1 Long-term thermostability	/	≥130
9、	Density	g/cm3	1.7～1.9

Epoxide woven glass fabric laminated sheet 3240-1

Epoxide woven glass fabric laminated sheet 3240

Epoxide woven glass fabric laminated sheet 3240-1(green)

Epoxide woven glass fabric laminated sheet 3240-1

Epoxide woven glass fabric laminated sheet FR-4

Epoxide woven glass fabric laminated sheet G-10