Product Details

DMD Epoxy Pre-impregnated Material

Pre-impregnated Material DMD(Class F)formed in the process of precuring the modified F-class DMD with impregnation of Hi-temp resistant Epoxy resin into B-stage by baking

Characters

It is Class F(155°C)insulating material

This product has long shelf life at room temperature,low precuring temperature and time,showing excellent electrical insulation, bonding and heat-resistant properties.

Application

It is used for liner insulation of copper foil (aluminum foil) low voltage coils in dry-type transformer and slot insulation and interphase insulation in B ~ F class motors and electrical appliances.

Special specification can be supplied according to customer request.

Properties

Units

Values

Nominal thickness

0.15

0.18

0.2

0.23

0.25

0.3

0.35

0.4

0.45

Tolerance

±0.02

±0.025

±0.03

±0.035

±0.040

±0.045

Thickness of film

0.05

0.1

0.15

0.188

0.25

Tensile Strength(no bending)

≥70

≥80

≥100

Resin content

35±5

30±5

25±5

20±5

Volatile content

≤1.5

Smeltable resin content

≥1.0

Dielectric strength

mV/m

≥40

Breakdown votage

≥7

≥10

≥15

≥18

Tensile and shear strength

Mpa

≥3.0

Heat shrinkage rate

Crosswise

≤1.0

Lengthwise

≤2.0

Appearance

Soft,smooth free of any delamination impurity,damage,crack,blister.

Color

Red,Brown,White

Thermal rating class

°C

≥155

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