Tube Series -Materials of Epoxy Glass Cloth Laminated Tube Fr-4, G10, G11 and Silicone G-7

High Quality EPGC21/G10 Epoxy Resin Glassfiber Tube
 
Description:
Materials and application:
 
G11 is a stratified round tube made from glass cloth and epoxy resin. It can be used as insulation construction parts in electric apparatus, under moist condition and in transformer oil.
 
 
Features:
 
- High mechanical properties,
 
-Good dielectric properties
 
-Good chemical resistance
 
-Good thermal resistance, F class.
 
-Flammability class-FV0
 
 
Our factory can provide:
 
-Nominal inner diameter: 8~100mm
 
-Nominal length: 450 - 550 mm or 900 - 1200mm.
 
-Color: Yellow /green
 
-Minimum wall thickness:1.5/2.0mm
 
 -Surfaces: Shining
 
For detailed technical information, please check files in download section.
 
 
 
Thickness & Tolerance:
                                                                                                                                                         Unit: mm
 

Nominal Inner Diameter	Wall Thickness Min.	Tolerance
		Inner Dia.	Wall Thickness less than 10mm	Wall Thickness more than 10mm
8-30 (multiples of 2 or 5)	1.5	±0.4	± 0.5	± 1.0
32-80 (multiples of 2 or 5)	1.5	±0.5
85-150 (multiples of 5)	2.0	±0.5
155-350 (multiples of 5)	2.0	±0.7
355-500 (multiples of 5)	2.0	±1.0

 
 
 Main Technical Parameters: 
 
 

PROPERTIES	UNIT	STANDARD VALUE
Flexural strength A: Under normal conditions	MPa	≥300
Compressive strength	MPa	≥175
Bonding strength	MPa	≥200
Breakdown voltage parallel to laminations (in transformer oil 90±2°C)	kV	≥40
Dielectric strength perpendicular to laminations (withstand voltage) (in oil 90±2°C) 2.0mm in thickness	MV/m	≥9.0
Insulation resistance Impregnated in water, D-24/23	MΩ	≥1000
Density	g/cm3	1.70-1.90
Water absorption D-24/23	mg/cm2	≤1.5
Flammability	class	FV0