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   Properties

   Test Conditions

  Unit

   Index

Component A

-

-

5201A-69B

Component B

-

-

5201B-69B

5201B-3

Component A viscosity

40℃

mPa·s

3000-6000

Component B viscosity

40℃

mPa·s

1000～2000

18-25

Component A specific gravity

25℃

g/cm³

1.88±0.03

Component B specific gravity

25℃

g/cm³

1.79±0.03

Proportion(A/B)

by weight

-

100：100

Curing conditions

-

-

90℃/2h + 110℃/1h + 140℃/2h① or 100℃/2h + 150℃/2h②

Glass transition temperature

DSC，10℃/min

℃

≥150

Coefficient of thermal expansion  a1

TMA，10℃/min

ppm/℃

18-23

Coefficient of thermal expansion  a2

TMA，10℃/min

ppm/℃

50-70

Volume resistance

-

Ω·m

≥1.0×10¹³

Dielectric constant

1MHz

4.5±0.3

Dissipation factor

1MHz

%

≤1.5

Electric strength

-

MV/m

≥22.0

Inflecting strength

-

MPa

≥70

Hardness

(Shore D)

-

≥88

Water absorption

Normal

%

≤0.20

Cure shrinkage rate

Solid-liquid density ratio

%

≤1.8

Flammation Preventable

UL 94（6mm）

-

V-0