Properties

Unit

ZMC850

ZMC851

ZMC852

ZMC853

Flexural strength perpendicular to lamination 　 　 　 ≥

MPa

100

90

110

100

Notch impact strength parallel to lamination charpy 　 　 　 　 ≥

KJ/m²

8.8

7.8

7.0

6.0

Bonding strength 　 ≥

N

—

—

—

—

Dielectric strength perpendicular to lamination 　
（in oil 90±2℃）　 ≥

—

—

—

—

Breakdown voltage parallel to lamination　
（in oil 90±2℃) 　≥

KV

—

35
(0.8-25mm)

—

Dielectric strength

Relative dielectric coefficient 　 　 ≤

—

—

5.5

—

5.5

Insulation resistance after impregnated in water 　 　 　 　 ≥

Ω

1×10⁶

5×10⁷

1×10⁶

5×10⁷

Water absorption
1mm 　 　 　 　 　≤

mg

206

136

206

136

Color

—

natural or black

Reference standard

—

Enterprise's standards

Characteristics & Applications

1、ZMC850：Primarily intend for mechanical applications. Not recommended to
use for electrical applications.
2. ZMC851：Suitable for mechanical & electrical applications, with better
electrical performance than the other grades, and similar to NEMA's CE
grade.
3. ZMC852：Primarily intend for mechanical applications, with better general
properties than the others , similar to NEMA's L grade.
4. ZMC853：Suitable for mechanical & electrical applications, with better
electrical performance than the others and similar to NEMA's LE grade.