phenolic paper laminates from China manufacturer

Product Detail

Model No.: 3021

Production Capacity: 20000kgs each month

Delivery Date: 20 days

Means of Transport: Ocean

Packing: case and pallet

Dielectric strength: min 15MV/m

3021 phenolic paper laminate sheet is made of good electric paper and phenolic resin.

1,Dielectric strength perpendicular to laminations(in 90±5℃ transformer oil, 1 mm in thickness) min 15MV/m

2,Insulation resistance after immersion in water (D-24/23) min 1000MW

3,Breakdown voltage parallel to laminations (in 20±5℃ transformer oil) min 14KV

General Properties
Test Item	Unit		Typical Value
			Grade
			3021A	3021B	3021C
Flexural strength perpendicular to laminations	≥	MPa	117	98	117
Bonding strength(≥10mm in thickness)	≥	N	3136	3528
Insulation resistance after immersion inwater(D-24/23)	≥	MW	1.0×103	1.0×103	1.0×103
Dielectric strength perpendicular to laminations	≥	MV/m	15(90±5℃)	8(20±5℃)	11(20±5℃)
(in 90±5℃ transformer oil,1mm in thickness)			15(90±5℃)	8(20±5℃)	11(20±5℃)
Breakdown voltage parallel to laminations	≥	KV	14	9
(in 20±5℃ transformer oil)	≥	KV
Permittivity(1MHz)	≤	—	5.5	-
Dissipation factor(1MHz)	≤	—	0.05	-
Density		g/cm3	(1.3-1.4)	(1.30-1.45)
Water absorption(D-24/23,1.6mm in tickness)	≤	mg	182	—
Color		—	Chocolate	Chocolate
Reference standard		—	Enterprise Standard