Specifications

Unit

Testing method

Normal value

Test value

Physical properties

Density

g/cm3

GB/T 1033

1.75 ~ 1.95

1.81

Water absorptivity

mg

ISO 62

≤20

18.3

Mold shrinkage

%

ISO 3521

≤0.15

0.08

Mechanical properties

Bend strength

MPa

GB/T 1042

≥170

210

Determination of charpy impact strength

KJ/m2

ISO 179

≥90

124

Thermal property

Heat distortion temperature

ASTM D-648

≥240

240

Flammability

Combustion performance (UL94)

CLASS

IEC 60707

FV0

FV0

Smoke toxicity

-

GB/T 20285

-

ZA2

Classification of burning behavior

-

EN 13501-1

-

B2

Smoke density

-

GB/T 8627

-

22

Dielectric properties

Insulation resistance (normal state)

Ω

IEC 60093

≥1.0×1013

3.0×1013

Insulation resistance (24h water soaking)

Ω

IEC 60093

≥1.0×1012

5.3×1012

Dielectric strength

kV/mm

ASTM D-149

≥12

17.1

Dielectric loss tangent

-

ASTM D-150

≤0.015

0.005

Dielectric constant

-

ASTM D-150

≤4.5

4.1

Arc resistance

S

IEC 61621

≥180

190

Proof tracking index (PTI)

V

IEC 60112

≥600

600