Semiconductor fiberglass laminates(3241)

Semiconductor fiberglass laminated sheet
Specification: 1020mm*2020mm
Thickness: 0.5～30mm
Temperature resistance: Class B (130℃)
Vertical layer bending strength: ≥340Mpa
Vertical layer direction electric strength (90±2℃ in transformer oil) 10～12KV/mm
Parallel layer breakdown voltage (90±2℃ in transformer oil)

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Product Introduction

3241 Semiconductor Glass Cloth Laminate is a sheet-like laminate product made by electrician’s alkali-free glass cloth dipped into epoxy phenolic anti-corona glue, baked, and hot pressed.
The product has semi-conductive properties It has high mechanical and semiconductor properties and good heat resistance.

3241 Semiconductor Glass Cloth Laminate:Technical Parameter

Index Name			Unit	Index
Apperance			–	The surface is flat and smooth, uniform color, no bubbles and wrinkles, neatly cut edges, and no delamination on the end face.
Density			g/m³	1.75-1.90
Bending strength		Normal	MPa	≥350
Vertical layer compressive strength/Normal			MPa	≥350
Parallel layer impact strength (simply supported beam method)			KJ/m2	≥50
Parallel Layer Shear Strength			MPa	≥30
Vertical layer to electrical strength (90 ℃ transformer oil) 1mm			Kv/mm	≥8.0
Parallel layer to breakdown voltage (90℃ transformer oil)			kv	≥35
Dielectric constant (1MHz)			–	≤5.5
Dielectric loss factor (1MHz)			–	≤0.05
Insulation resistance after immersion in water			MΩ	≥1.0*108
Volume resistivity	Under normal conditions		Ω·m	≥1.0*105
	After immersion			≥1.0*103
Temperature index			–	≥130
Water absorption① (1-20mm)			mg	≤64-193
Remarks：The range value is the measured value of different thickness

Application of 3241 Semiconductor Glass Cloth Laminate:

It is suitable for anti-corona materials for medium and large motor slots and can be used as materials for non-metallic structural parts at high temperatures,suitable for high-voltage motors and special motors, large explosion-proof motor, rotor stator slot wedge

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