Properties

   Test Conditions

  Unit

   Index

Component A

-

-

5201A-8BD

Component B

-

-

5201B-8BD

Component A viscosity

40℃

mPa·s

5000～9000

Component B viscosity

40℃

mPa·s

500～1500

Component A specific gravity

25℃

g/cm³

1.75±0.03

Component B specific gravity

25℃

g/cm³

1.79±0.03

Proportion(A/B)

by weight

-

100：100

Curing conditions

-

-

85℃/3h + 100℃/1h + 135℃/2h① 或 85℃/3h + 105℃/3h②+140℃/2h

Hardness

25℃

Shore D

≥88

Inflecting strength

---

MPa

≥80

Glass transition temperature

DSC，10℃/min

℃

≥105

Coefficient of thermal expansion  a1

TMA，10℃/min

ppm/℃

≤27

Water absorption

100℃/30min

%

≤0.20

Cure shrinkage rate

Solid liquid density ratio

%

≤1.8

Volume resistance

Normal

Ω·m

≥1.0×10¹³

Dielectric constant

1MHz，25℃

-

4.5±0.3

Dissipation factor

1MHz，25℃

%

≤1.5

Electric strength

Normal

MV/m

≥20.0