3640 Epoxy Glass Cloth Laminated Tube

 

Production Description

3640 Epoxy Glass Cloth Laminated Tube is made of alkali-free glass fiber used in electrical engineering as the substrate, dipped in epoxy phenolic resin and cured by heating, rolling, pressing and baking.

The heat resistance grade of the product is B grade, with high mechanical, heat resistance and electrical properties.

 

Application in Printed Circuit Board

3640 Epoxy Glass Cloth Laminated Tube is suitable for making high-voltage insulating structural materials in the electrical industry, as radar, rocket, aircraft and other parts in the aerospace industry; in the petrochemical industry as preservatives and solvent-resistant pipelines are widely used.

 

Instructions

1）Laminated pipes are easy to absorb moisture after processing, and it is best to impregnate insulating paint for moisture-proof treatment.

2）The original packaging is stored in a dry, cool, non-smoking, ventilated room or under a shed. The storage period is 12 months from the date of leaving the factory.

 

Technical Data

No	Indicator name	Unit	Index value		TEST METHOD
1	Density: inner diameter	g/cm3	≥1.4		GB/T 5132
2	Bending strength	MPa	≥140		JB/T 3172
3	Compressive strength	MPa	≥50		GB/T 5132
4	Shear strength	MPa	≥12		JB/T 8150
5	Dielectric loss factor (50Hz)	-	≤0.03		JB/T 3172
6	Volume resistivity: normal state After soaking	Ω·m	≥1.0×1010		GB/T 10064
			≥1.0×108
7	Parallel layer to insulation resistance: normal state After soaking	Ω·m	≥1.0×104		GB/T 10064
			≥1.0×101
8	Vertical layer withstand voltage Wall thickness： 1.5mm 2.0mm 2.5mm 3.0mm	kV	Inner diameter＜25mm	Inner diameter≥25mm	JB/T 3172
			7	12
			10	14
			13	16
			15	18
9	Parallel layer direction withstand voltage	kV	25		GB/T 5132
10	Surface withstand voltage	kV	12		GB/T 5132
Remarks: Items 8 and 9 in the table are carried out in the environment of 90℃±2℃/5min in transformer oil. Item 10 in the table is performed in an environment with a withstand voltage of 1 min in normal air after being damp.

Special Note

The company strictly controls product quality in accordance with relevant product standards. Due to the diversity and variability of application conditions and many other factors, it does not rule out the need for users to conduct experiments on their own. Legally, certain properties of the product are not guaranteed to be fully applicable to a specific purpose, and the right to modify the information is reserved.

 

Picture of Factory