NO

properties

unit

standard

result

1

appearance

The sample powder of phenolic molding compound should not contain impurities and dirt, and the sample has bright and smooth surface

accord with

2

Volume factor

≤4.0

2.09

3

Relative density

g/cm³

≤2.0

1.41

4

Impact strength

KJ/m²

≥3.5

6.05

5

Hot deformation temperature

℃

≥160

175

6

Bending strength

MPa

≥80

88

7

Insulation resistance

Ω

≥10¹⁰

1.33*10¹⁰

8

Dielectric strength

MV/m

≥2.0

3.04

9

Dielectric loss factor

/

/

10

Water absorption

mg

≤40

14.6

11

Shrinkage

%

Negotiation between the supplier and the demander

0.54

12

Mobility

mm

Negotiation between the supplier and the demander

155

13

Tracking resistance index

≥175

175

14

Combustion performance (hot rod method)

After 3min, the hot rod should leave the sample, and there should be no visible flame within 30s

accord with