Laminated Sheet – Deguang Electricity

No.	Item name	Unit	Test method	Index
1	Density	g/cm³	GB/T5130 section 8.1	(1.80-2.08)
2	Water absorption	mg	GB/T5130 section 8.2	Refer to table 2
3	Vertical layer direction bending strength	MPa	GB/T5130 section 5.1	≥340
4	Vertical layer direction compression strength	MPa	GB/T5130 section 5.3	≥(350)
5	Tensile strength	MPa	GB/T5130 section 5.7	≥(300)
6	Compact strength (Simply strut-beam method)	KJ/m³	GB/T5130 section 5.5.1	≥33
7	Insulation resistance after water dipping	Ω	GB/T5130 section 6.3	≥5.0 × 108
8	Mediate loss factor, 1MHz hour	—	GB/T5130 section 6.2	≤0.04
9	Dielectric constant, 1MHz hour	—	GB/T5130 section 6.2	≤5.5
10	Vertical layer direction electric strength at (90±2)℃ transformer oil	KV/mm	GB/T5130 section 6.1	Refer to table 3
11	Parallel layer direction striking voltage	kV	GB/T5130 section 6.1	≥35

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