This product is made with the electrician non-alkali glass fiber cloth as the backing material, with high TG epoxy resin as binder via hot pressing laminated under 155 degree temperature.It has high mechanical strength under normal temperature , still has strong mechanical strength , good electrical properties under dry and wet environment, can be used in damp environment and transformer oil.It belongs to grade F heat resistance insulating material.The technical data is similar to FR5,but is not fire retardant.1.High electrical stability under high humidity; 2.Excellent mechanical properties; 3.High mechanical strength under high temperature; 4.High Moisture resistance; 5.High heat resistance; 6.Temperature resistance:Grade F

NO.	ITEM			UNIT	INDEX VALUE
1	Density			g/cm³	1.8-2.0
2	Water absorption Rate			%	≤0.5
3	Vertical bending strength		Normal	MPa	≥380
			155±2℃		≥190
4	Compression strength		Vertical	MPa	≥300
			Parallel		≥200
5	Impact strength (charpy type)		Lengthway no gap	KJ/m²	≥147
6	Bonding strength			N	≥6800
7	Tensile strength		Lengthway	MPa	≥300
			Horizontal		≥240
8	Vertical electric strength （in oil of 90℃±2℃）		1mm	KV/mm	≥14.2
			2mm		≥11.8
			3mm		≥10.2
9	Parallel breakdown voltage(1 min in oil of 90℃±2℃）			KV	≥40
10	Dielectric dissiption factor（50Hz)			-	≤0.04
11	Insulation Resistance		Normal	Ω	≥1.0×1012
			After soaking  for 24hours		≥1.0×1010

In accordance with GB/T 1303.4-2009 electrical thermosetting resin industrial hard laminates - Part 4: epoxy resin hard laminates, IEC 60893-3-2-2011 insulating materials - electrical thermosetting resin industrial hard laminates - Part 3-2 of the individual material specification EPGC203.Applicable to all kinds of motor, electrical, electronic and other fields, widely used in motor, electrical equipment as insulation structure parts, high voltage switchgear, high voltage switch (such as motor stator insulation materials at both ends, rotor end plate rotor flange piece, slot wedge, wiring plate, etc.).