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Phenolic Paper Laminates 3021

Description:

Phenolic Paper Laminates are made from hot press of impregnated paper with phenolic resin. They are mainly used as insulation part and structure part in generator, motor and some other electrical equipments.

Properties:

No	Items	Units	Standard
No	Items	Units	3021	3021C
1	Flexural strength perpendicular to laminations	MPa	≥120	≥90
2	Bonding strength (≥10mm in thickness)	N	3200	2800
3	Insulation resistance impregnated in water, D-24/23	Ω	≥1.0×10⁷	---
4	Dielectric strength perpendicular to lamination (in oil 90±2℃) 1mm in thickness	MV/m	≥12.1	12
5	Breakdown voltage parallel to lamination (in oil 90±2℃)	KV	≥20	8
6	Permittivtiy (48-62Hz)	--	5.5
7	Density	g/cm3	1.30-1.40	1.30-1.45

Note: 3021C is the economical substitute of 3021