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DF306 Halogen-free Flame Retardant High Strength Epoxy Glass Cloth Laminate

Product features: DF306 halogen-free flame-retardant high-strength epoxy glass cloth laminate is made by impregnating alkali-free glass cloth treated with silane coupling agent with epoxy resin and hot pressing. It is a Class F epoxy glass cloth laminate produced according to the requirements of the IEC60893-3-2 "Specification for Industrial Rigid Laminates of Thermosetting Resin for Electrical Use". It has the characteristics of high mechanical strength at medium temperature or hot state, good electrical performance at high humidity (insulation resistance after immersion in water reaches 1013 Ω), high breakdown voltage in parallel layer direction, good electrical tracking resistance and flame retardancy. Application areas: DF306 halogen-free flame retardant high-strength epoxy glass cloth laminate is suitable for F-class motors, electrical equipment as insulation structural parts and other purposes. 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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Corresponding standard models and characteristics

Product Model			Application and Feature Classification	Temperature resistance grade
Deaver.	GB/IEC	NEMA	Application and Feature Classification	Temperature resistance grade
DF306	EPGC306	-	Similar to DF203, it has excellent halogen-free flame retardancy, arc resistance, and higher tracking index.	Class F 155 ℃
DF306A	-	-	Similar to DF306, with higher mechanical strength	Class F 155 ℃

Physical, mechanical and electrical properties

Serial Number	Indicator Name		Unit	DF306/ EPGC306		Test Method
Serial Number	Indicator Name		Unit	Index value	Typical value	Test Method
1	Water absorption (T = 3mm)		mg	≤ 22	9.2	GB/T 1303.2-2009
2	Vertical layer bending strength (longitudinal)	Normal	MPa	≥ 340	560
2	Vertical layer bending strength (longitudinal)	150 ℃ ± 3 ℃	MPa	≥ 170	315
3	Parallel layer impact strength (simply supported beam, notch)		kJ/m2	≥ 33	72
4	Vertical layer direction electrical strength (90 ℃ ± 2 ℃ in transformer oil)(T = 1mm)		kV/mm	≥ 14.2	26.5
5	parallel layer directional breakdown voltage (90 ℃ ± 2 ℃ in transformer oil)		kV	≥ 35	＞80
6	Dielectric Loss Factor (1MHz)		-	≤ 0.04	0.02
7	Dielectric constant (1MHz)		-	≤ 5.5	4.4
8	Arc resistance		s	-	181
9	Tracking Resistance Index (CTI)		V	-	600
10	Insulation resistance (after immersion for 24h)		Ω	≥ 5.0 × 1010	6.8 × 1013
11	Combustibility		Level	V-0	V-0