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5201A/B-81B
   Category
flame retardant Epoxy Resin Compounds for Potting
   Characteristics
Good temperature resistance, environmental product, flame retardant, good resistance to humidity and heat
   Scope of application
Used for potting and insulation of capacitor, transformer, negative ion generator, insulation package for other high voltage electronic and electrical devices
   Product performance
5201A/B-81B

   Properties

   Test Conditions

  Unit

   Index

Component A

-

-

5201A-81B

Component B

-

-

5201B-81B

Component A viscosity

40

mPa·s

4000080000

Component B viscosity

40

mPa·s

1530

Component A specific gravity

25

g/cm3

1.80±0.03

Component B specific gravity

25

g/cm3

1.19±0.03

Proportion(A/B)

by weight

-

10020±1.0

Curing conditions

-

-

90/3h + 105/1h + 120/2h 90/3h + 105/3h

Hardness

25

Shore D

80

Glass transition temperature

DSC10/min

100-110

Coefficient of thermal expansion  a1

TMA10/min

m/m/

3.0-3.5×10-5

Coefficient of thermal expansion  a2

TMA10/min

m/m/

10.0-13.0×10-5

Water absorption

100/30min

%

0.2

Volume resistance

Normal

Ω·m

1.0×1013

Dielectric constant

1MHz25

-

4.5±0.3

Dissipation factor

1MHz25

%

1.8

Electric strength

Normal

MV/m

20.0

Applicable temperature

-

-40 ~ 120

Flammation Preventable6.0mm

UL94

-

V-0

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