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DF3253 bismaleimide fiberglass cloth laminate

Product features: DF3253 bismaleimide fiberglass cloth laminate is made of treated glass fiber cloth for electricians impregnated with bismaleimide resin, baked and hot pressed. Excellent heat resistance, the plate has excellent mechanical properties under high temperature conditions, good electrical properties, a certain degree of flame retardancy, and the heat resistance grade is H. Application areas: DF3253 bismaleimide glass fiber cloth laminate is suitable for insulating structural parts of high-temperature motors and electrical appliances, such as motor slots, gaskets and outlet plates, dry-type transformer stays, whole pieces and wiring boards, etc. Thickness range: 0.2mm--100mm Main dimensions: 1500mm * 3000mm, 1220mm * 3000mm, 1020mm * 3000mm, 1020mm * 2440mm, 1220mm * 2440mm, 1500mm * 2440mm, 1000mm * 2000mm, 1200mm * 2000mm and other sizes based on the agreement between the supply and demand sides.

Classificationn:

Laminated sheet

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+8619181003973

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Physical, mechanical and electrical properties

Serial Number	Indicator Name		Unit	Index value	Typical value	Test Method
1	Density		g/cm3	1.7～2.1	2.02	GB/T 1303.10-2009
2	Water absorption (T = 2mm)		mg	≤ 74	9.8
3	Vertical layer bending strength	Normal	MPa	≥ 350	670
		180±2 ℃	MPa	≥180	580
		200±3 ℃	MPa	-	550
4	Impact strength (simply supported beam, notched)		kJ/m2	≥60	120
5	Vertical Lamina Compressive Strength		MPa	≥ 350	700
6	parallel laminar shear strength		MPa	≥30	55
7	Dielectric loss factor 1MHz		-	≤ 5.5	4.7
8	Dielectric constant 1MHz		-	≤0.05	0.002
9	Insulation resistance (24h in water)		Ω	≥ 1.0 × 108	3.2 × 109
10	Vertical layer direction electrical strength (90 ℃ ± 2 ℃ transformer oil, 1mm plate)		KV/mm	≥ 14.0	20
11	parallel layer directional breakdown voltage (90 ℃ ± 2 ℃ in transformer oil)		kV	≥ 35	＞60
12	Flame resistance		Grade	Not less than HB40	HB