• Type：3025 3025B 3025C

•  Characteristics & Applications ：Primarily intend for mechanical applications. Not recommended to use for electrical applications. 3025B and 3025C not stronger than 3025, but more economical than 3025, similar to NEMA's C grade.

Properties

Properties	Units	3025	3025B	3025C
Flexural strength perpendicular to lamination 　 ≥	MPa	100	90	70
Notch impact strength parallel to lamination charpy 　 　≥	KJ/m2	8.8	—	—
Bonding strength ≥	N	—	5500	5500
Dielectric strength perpendicular to lamination 　 （in oil 90±2℃）≥	MV/m	0.82	2.0 1.5-2mm	2.0 1.5-2mm
Breakdowm voltage parallel to lamination　 （in oil 90±2℃) 　≥	KV	1	—	—
Relative dielectric coefficient 　 　 ≤	—	—	—	—
Insulation resistance after impregnated in water 　 　 　 　 ≥	Ω	1×106	—	—
Water absorption 1mm 　≤	mg	206	—	—
Colour	—	Natural or black
Reference standard	—	JB/T 8149.2-2000	Enterprise's standards
Characteristics & Applications	Primarily intend for mechanical applications. Not recommended to use for electrical applications. 3025B and 3025C not stronger than 3025, but more economical than 3025, similar to NEMA's C grade.