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Black Epoxy Potting Compound

Flame Retardant Epoxy Encapsulating Compound SE2212 ◆Detailed Product DescriptionFeatures1.Good toughness, high hardness2.Excellent adhesion, anti-cracking resistance3.Excellent electrical insulatin


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Flame Retardant Epoxy Encapsulating Compound SE2212   

◆Detailed Product Description


1.Good toughness, high hardness

2.Excellent adhesion, anti-cracking resistance

3.Excellent electrical insulating properties, stability 

4.Good waterproof, moisture resistance, very low water absorption

5.Good temperature resistance, resistance temperature of 150 ℃ in 1 hr short time

6.After curing flame retardant UL 94 V-0


For encapsulating and potting of flame retardant for small and medium-sized and closing of the circuit board , such as capacitor coating, solid state relay potting, etc 

◆Data Table

Characteristics before hardening






Black ropy fluid

Brown Liquid

Viscosity, mPa.s(25℃)



Proportion , g/cm3(25℃)



Mixture/mass ratio,


Viscosity after mixing, mPa.s (25℃)


Weight after mixing,  g/cm2(25℃)


Operation time after mixing, mins(25℃)


Preliminary curing time hr,25℃

6~8hrs /25℃

Curing time

24hrs /25℃

Characteristics after hardening

Hardness, Shore D


Water absorption 24h,25℃,%


Breakdown Voltage,kV/mm,25℃


Dielectric constant ,1.2MHz,25℃


Tensile-shear strength,(Fe-Fe,MPa)


Curing shrinkage rate,%


Flame resistance, UL 94



Temperature range ,  ℃



Volume resistance DC500V, Ω·cm



①All data above were tested under standardized condition.

②All data listed in the chart were for the generalized item in the series; please refer to the related datasheet for special items.

③Storage condition has a direct impact to the products’ shelf life, Please refer to the instruction for special items’ storing


1.Stirring A component evenly before using it .

2.Weighed in a 5:1 ratio A, B two components, stir well stay with after vacuum deaeration to use within 60 minutes run out.

3.Good potting devices ,if necessary, continue to pumping vacuum, help to increase the electrical performance of the device.

4.Curing conditions: 25 ° C for 24hrs at room temperature ; or let stand for surface bubbles after heating 65 ℃ × 0.5hr.

5.Note: adhesive start the reaction after adhesive preparation , accompanied by heat release. With the greater amount of glue, the greater the heat release, the shorter operating time, required in a shorter period of time you are finished using 

6.The above tests are measured under 100 g with adhesive.

◆Package and Storage

Package                                             Storage

Part A : Black , 25kg/bucket               Seal and Avoid light and light

                                                          Temperature≤25℃, humidity≤50%RH

Part B: Black, 5kg/pot                         Shelf life: Part A 12 months, Part B 12 months

◆Safety Operation Material

MSDS isn't included here. Please read TDS, MSDS and label carefully before operation.You can get MSDS from Sepuna or other distributors, or mail to service center, or call +86-400-882-1323.

◆Product Warranty

All product properties and application details based on information believe to be reliable and accurate. But you still need to test its property and safety before application. The advices we supply don't apply in any circumstances. Sepuna don't make assurance of any other applications outside the specification until Sepuna supply a special written guarantee. Sepuna is only responsible to replace or refund if this product is defective within the warranty period stated above. Sepuna makes it clear that will not be liable of any accidents.

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