Characteristics & Applications：Similar to IEC  EPGC21 and DIN  HGW2375. Mechanical and electrical applications, good heat resistance.

• Temperature grade: B glass (130℃)
• Color: nature (green)
• Diameter: ￠8-500mm
• Length: 1000mm

Properties

Properties		Unit	Grade
			3640 Epoxy Glass Cloth Laminate Tube
Density		g/cm3	≥1.40
Water absorption rate		%	—
Thermostability(24h)		℃	—
Flexural strength		MPa	≥160
Compressive strength		MPa	≥50
Shear strength		MPa	≥12
Surface resistance	Under normal condition	W	—
	In case of humidity		—
Volume resistivity	Under normal condition	W×m	≥1.0×1010
	In case of humidity		—
	Impregnated in water		≥1.0×108
Insulation resistance	Under normal condition	W	≥1.0×1010
	Impregnated in water		≥1.0×107
Dissipation factor	50Hz		≤0.03
Dielectric strengthperpendicular to Laminations (withstandvoltage) (in 90±2℃/5mintransformer oil)		kV/mm	Wall thickness(mm)	Units	Inside diameter(mm)
					6-25	>26
			1.5	kV	7	12
			2.0		10	14
			2.5		13	16
			3.0		15	18
Dielectric break down parallel to laminations (in 90±2℃/5min transformer oil)		kV	25
Surface withstand voltage (in case of humidity,under normal condition air,withstand voltage 1 min)		kV	12