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RoHS Compliant

Flame Retardant Epoxy
Encapsulating and Potting Compound

833FRB



A two component self extinguishing epoxy compound. Provides insulation and protects sensitive components and circuits from: static discharge, impact, heat, shock, conductivity, abuse, vibration, moisture, fresh and salt water, chemicals and analysis.

Specifications

Standards
Flame test UL 94V-0 UL Recognition under testing
Uncured Properties - Resin [Part A]
Viscosity @ 24°C Brookfield 30 RPM Spindle 4 4000 cps
Phase   Liquid
Color   Black
Specific Gravity   1.24
Odor   Mild
Flash Point   190 °C
Uncured Properties - Hardener [Part B]
Viscosity @ 24°C Brookfield 30 RPM Spindle 4 14000 cps
Phase   Liquid
Color   Grey
Specific Gravity   1.13
Odor   Musty
Flash Point   105 °C
Uncured Properties – Mixed
Viscosity @ 20°C Brookfield 50 RPM Spindle 4 11500 cps
Specific Gravity  

1.21

Color   Black
Mixing Ratio (Part A & B)
Volume Mixing Ratio  

2 (resin): 1 (hardener)

Mass Mixing Ratio   2 (resin): 1 (hardener)
Working Time   1 hour
Curing Time (100 g)    
@ room temperature   24 hours
@ 65°C / 149 °F   60 minutes
@ 80°C / 176 °F   45 minutes
@ 100°C / 212 °F   35 minutes

Cured Properties - Physical

Tensile Strength ASTM D638  under testing
Tensile Strength and Elongation

ASTM D882 (Method A) or ISO 527-3

under testing
Izod Impact

ASTM D256 Method A
or ISO 180

under testing
Tensile Impact 

ASTM D1822
or ISO 8256

under testing
Flexual Strength ASTM D790
or  ISO 178
under testing

Dimensional Stability

ASTM D1042
(ISO 2796)
under testing

Compressive Strength

ASTM D695

1310 kg/cm2

Lap shear Strength ASTM 790
or  ISO 178
59.3 kg/cm2
Hardness (shore D)   78-80

Cured Properties - Electrical

Surface Resistivity
@ 23°C/35%RH

ASTM D257

2 x 1015 Ohms/square

Volume Resistivity

ASTM D257

under testing

Dielectric Strength

ASTM D149

under testing

Dielectric Constant / Dissipation Factor
(tested @ 161")

ASTM D150-98

 

@ 60 Hz  

3.45 / 0.018

@ 1 KHz

 

3.40 / 0.012

@ 10 KHz

 

3.31 / 0.013

@ 100 KHz

 

3.25 / 0.014

@ 1 MHz

 

3.18 / 0.014

Comparative Tracking Index

ASTM D3638

under testing

High Voltage Arc Tracking

UL 746A

under testing

High Voltage Arc Resistance to Ignition

UL 746A

under testing

High Current Arc Ignition

UL 746A

under testing

High Voltage low current Arc Resistance ASTM D495 under testing

Cured Properties - Thermal

Tg  (Glass Transition Temp.)

ASTM D3418

56 °C

HDT (High Deflection Temp.)

ASTM D648, ISO 75

 

Maximum withstand temp.

 

225 °C

Constant Service temp.

 

175 °C

Cured Properties - Additional Properties

Outgassing

ASTM E595

 

Total mass loss (TML)

 

1.45 %

Collected Volatile condensable Material (CVCM)

 

0.03 %

Water Vapour Regain (WVR)

 

0.10 %

Ash content

ISO 3451/1

under testing

Water Absorption

ASTM D570, ISO 2896

under testing


Available Sizes

Catalog NumberSizes AvailableDescription
833FRB-375ML 375 mL (12 oz) Liquid
833FRB-3L 3 L (0.8 gallon) Liquid
833FRB-60L 60 L (16 gallons) Liquid