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FR4 TECHNICAL DATA SHEET 

NO

ITEM

UNIT

INDEX

1

SURFACE RESISTANCE AFTER DAMP HEAT AND RECOVERY

M

Min: 50000

2

VOLUME RESISTIVITY AFTER DAMP HEAT AND RECOVERY

M.m

Min: 10000

3

PERMITIVITY AFTER DAMP HEAT AND RECOVERY

/

MAX: 5.5

4

DISSIPATION FACTOR AFTER DAMP HEAT AND RECOVERY

/

MAX: 0.035

5

PULLING STRENGTH

N

MIN: 60

6

PEEL STRENGTH AFTER EXPOSURE TO SOLVENT VAPOUR

N/mm

MIN: 1.4

7

BLISTERING AFTER 10S HEAT SHOCK

/

NO BLISTERING OR DELAMINATION

8

SOLDERABILITY (WETTING TEST)

S

2

9

FLEXURAL STRENGTH

MPa

MIN: 300

10

FLAMMABILITY (VERTICAL BURNING TEST)

/

FV0 OR FV1

11

WATER ABSORPTION

mg

MAX: 20

12

MEASLING

/

NO MEASLING OR BLISTERING OR DELAMINATION

13

WARPAGE

BOW

mm

MAX: 18

TWIST

MAX: 20

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