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Test item

Test method

Unit

GSM Test value

GSB Test value

GS+PET Test value

Color

Visual

Black

Black

Black

Material

Natural graphite

Natural graphite

Natural graphite

Thickness

ASTM D374

Mm

0.1 to 1.0

0.2 to 1.5

0.2 to 1.5

Specific Gravity

ASTM D792

g/cm³

1.5

0.9 to 2.0

1.5 to1.8

Continuous Use Temp

EN344

°C

-40 to +400

-40 to +400

-40 to +400

Tensile Strength

ASTM F-152

4900kpa

715PS

715PS

715PS

Volume Resistivity

ASTM D257

Ω/CM

3.0*10¹³

3.0*10¹³

3.0*10¹³

Hardness

ASTM D2240

Shore A

80

80

>80

Flame Rating

UL 94

V-0

V-0

V-0

Conductivity

(vertical direction)

ASTM D5470

w/m-k

20

15

5

Conductivity

(horizontal direction)

ASTM D5470

w/m-k

300 to 500

300 to 500

300 to 500