MGC-832B (Black) and MGC-832C (Clear) Epoxy Encapsulating and Potting Compound

Once Potted Your Board is Safe from Everything. Water, Chemical, Impact, even Eyesight if You Choose!

Epoxy, Potting Compound

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MGC-832B and MGC-832C

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  • EPOXY Black - icon
  • EPOXY Clear - icon

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Low Price GuaranteeWhat's special about this epoxy?

  • Protects your printed circuit boards from moisture, shock, debris, and chemicals
  • This is a non-conductive, low toxicity, highly impact resistant epoxy making it a great choice for your permanent potting needs
  • Never comes off; once cured, this epoxy sticks forever so your electronic devices are protected
  • Click for More Features

This epoxy comes in two colors, black and clear. The black epoxy will protect not only the PC board but your proprietary information as well. No one will be able to see your board under the black protective coating. The clear epoxy leaves your PC Board open to viewing but still protected from harmful moisture, impact, dirt, debris, chemicals and anything else that might damage your electrical components.

  • MGC-832B is black epoxy which hides your PCB proprietary information from anyone else's eyes
  • MGC-832C is clear epoxy allowing all to see your board
  • Very easy to use - just mix and pour
  • This epoxy compound can be cured on just an hour!
  • One year warranty
832B - Part A (Resin)
Hazards Identification:

WHMIS Codes: D2B

NFPA Ratings: Health 1; Flammability 0; Reactivity 0

HMIS Ratings: Health 1; Flammability 0; Reactivity 0

Eyes: Non-irritating.

Skin: Prolonged exposure may cause skin irritation. May cause allergic reaction in some individuals.

Inhalation: At room temperature, exposure to vapors is unlikely due to physical properties. Higher temperatures may generate vapor levels sufficient to cause irritation.

Ingestion: Single dose oral toxicity is low. Amounts ingested incidental to industrial handling are not likely to cause injury; however, ingestion of large amounts may cause injury.

Chronic: No information available.

Fire Fighting Measures

Auto ignition Temperature: n/e

Flash Point: 190°C;

LEL / UEL: n/e

Exposure Control

Routes of entry: Eyes, ingestion, inhalation, and skin.

Ventilation: Use adequate general or local exhaust ventilation to keep airborne concentrations below exposure limits.

Personal Protection: Wear appropriate protective eyeglasses or chemical safety goggles. Wear appropriate protective clothing to prevent skin contact. Use a NIOSH approved respirator when necessary.

Physical and Chemical Properties

Physical State: liquid

Odor: odorless

Solubility: none

Evaporation Rate: n/e

Boiling Point: n/e

Specific Gravity: 1.13

Vapor Pressure: n/e

Vapor Density: 8.6 (Air=1)

pH: n/a

Stability and Reactivity

Stability: Stable at normal temperatures and pressures.

Conditions to avoid: n/a

Incompatibilities: n/a

Polymerization: Will not occur.

Decomposition: Carbon dioxide, and carbon monoxide, phenolic compounds.

 
832B - Part B (Hardener)
Hazards Identification:

WHMIS Codes: D2B

NFPA Ratings: Health 1; Flammability 0; Reactivity 0

HMIS Ratings: Health 1; Flammability 0; Reactivity 0

Eyes: Causes severe eye irritation. May cause visual impairment.

Skin: May cause skin irritation.

Inhalation: May cause irritation of the upper respiratory tract.

Ingestion: Relatively harmless. May cause gastrointestinal irritation, ulceration and or burns in the mouth and throat.

Chronic: No information available.

Fire Fighting Measures

Auto ignition Temperature: n/e; Flash Point: 190°C; LEL / UEL: n/e

Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam.

General Information: n/a

Exposure Control

Routes of entry: Eyes, ingestion, inhalation, and skin.

Ventilation: Use adequate general or local exhaust ventilation to keep airborne concentrations below exposure limits.

Personal Protection: Wear appropriate protective eyeglasses or chemical safety goggles. Wear appropriate protective clothing to prevent skin contact. Use a NIOSH approved respirator when necessary.

Physical and Chemical Properties

Physical State: liquid

Odor: ammonia

Solubility: moderate

Evaporation Rate: n/e

Boiling Point: n/e

Specific Gravity: 0.96

Vapor Pressure: n/e

Vapor Density: n/e

pH: n/a

Stability and Reactivity

Stability: Stable at normal temperatures and pressures.

Conditions to avoid: n/a

Incompatibilities: Excessive heat.

Polymerization: Will not occur.

Decomposition: Unknown.

 

832B Black Epoxy Encapsulating & Potting Compound Specifications   832C Clear Epoxy Encapsulating & Potting Compound Specifications
Uncured Properties - Resin [Part A]
Viscosity 2,500 cps
Specific Gravity 1.1273
Color Black
Uncured Properties - Hardener [Part B]
Viscosity 11,000 cps
Specific Gravity 0.9564
Color Clear, amber tint
Cured Properties - PHYSICAL
Mixed Viscosity 3,300 cps
Mixed Specific Gravity 1.0577
Volume Mix Ratio (resin:hardener) 2.0:1
Mass Mix Ratio (resin:hardener) 2.3:1
Shore Hardness 80 - 82 Shore D
Tensile strength (ASTM D 638) 8475 psi
Elongation 3.3%
Compression strength (ASTM D 695) 14,675 psi
Modulus 375,000 psi
Flexural strength (ASTM D 790) 16,500 psi
Modulus 427,000 psi
Izod impact strength (ASTM D 256) 0.443 ft-lbs / inch notch 0.259" thick
Lap Shear Strength (ASTM D 732) 957 psi
Working time (100g) 60 min.
Cure Time (100g, room temp.) 24 hours
Heat Cure Time (100g, 65°C) 60 min.
Cured Properties - TEMPERATURE
Coefficient of Thermal Expansion (ASTM E 831) 0.036" / 10" @ 32°F, 0.013" / 10" @ 72°F
Constant Service Temperature 140°C (284°F)
Intermediate Service Temperature 145°C (293°F)
Heat Deflection Temp. (264 psi) (ASTM D 648) 46.638°C (115.95°F)
Cured Properties - ELECTRICAL
Volume Resistivity (ASTM D 257) 3.1 x 1010 ohms
Surface Resistivity (ASTM D 257) 5.3 x 1012 ohm · cm
Dielectric Strength (0.124" thick)
(ASTM D 149)
402 V / mil, 60 Hz
Dielectric Constant (ASTM D 150) 3.9 @ 60Hz
Dissipation Factor 0.007 @ 23°C, 60Hz
Insulative Yes
Conductive No
Chemical and Solvent Resistance
  Change after
3 days
Change after
45 days
Hydrochloric Acid < 0% < 1 %
Isopropyl Alcohol < 0.3 % < 1 %
Ethyl Lactate < 3 % < 7 %
Acetone < 7% destroyed
Xylene < 2% < 9 %
Iso hexanes < 5 % < 8 %
Mineral spirits < 0.3 % < 0.3 %
 
Uncured Properties - Resin [Part A]
Viscosity   2,500 cps
Specific Gravity   1.1273
Color   Clear (yellow tint), colorless
Uncured Properties - Hardener [Part B]
Viscosity   11,000 cps
Specific Gravity   0.9564
Color   Clear, amber tint
Cured Properties - PHYSICAL
Mixed Viscosity   3,300 cps
Mixed Specific Gravity   1.0577
Volume Mix Ratio (resin:hardener)   2.0:1
Mass Mix Ratio (resin:hardener)   2.3:1
Working time (100g)   60 min.
Cure Time (100g, room temp.)   24 hours
Heat Cure Time (100g, 65°C)   60 min.
Tensile Elongation ASTM D 638 3276 psi / 6.4% elongation
Compression Strength/modulus ASTM D 695 8971 psi/ 315000 psi
Flexural strength/modulus ASTM D 790 5549 psi/ 370,000 psi
Izod impact strength ASTM D 256 0.700 ft-lbs / inch notch, 0.214" thickness
Shore Hardness ASTM D 2240 85 (initial) - 85 (10 sec) averages
Coefficient of Thermal Expansion ASTM E 831 0.036" / 10 " @ 32°F; 0.020"/10" @72°F
Lap shear strength ASTM 1002 702 psi
Dielectric strength (0.114"thk) ASTM D 149 425 V / mil, 60 Hz
Heat deflection temp. 264 psi ASTM D 648 43.548°C (92.22°F)
Cured Properties - TEMPERATURE
Constant Service Temperature 140°C (284°F)
Intermediate Service Temperature 145°C (293°F)
Cured Properties - ELECTRICAL
Volume Resistivity (ASTM D 257) 1.22 x 10 ohm · cm
Surface Resistivity (ASTM D 257) 5.50 x 1015 ohm · cm
Dielectric Constant (ASTM D 150) 3.23 @ 60Hz; 3.19 @ 103 Hz; 2.99 @ 106 Hz
Insulative Yes
Conductive No
Chemical and Solvent Resistance
  Change after 3 days Change after 45 days
Hydrochloric Acid < 0% < 1 %
Isopropyl Alcohol < 0.3 % < 1 %
Ethyl Lactate < 3 % < 7 %
Acetone < 7% destroyed
Xylene < 2% < 9 %
Iso hexanes < 5 % < 8 %
Mineral spirits < 0.3 % < 0.3 %

Attention: Mixing ratio for this product is 2 parts A to 1 part of B. Please be advised that there is a misprint on our label for one of the production runs.

PART # DESCRIPTION WEIGHT PRICE
MGC-832B-375ML MG Chemicals Black Encapsulating & Potting Compound 12oz 2 lbs
Qty:  
MGC-832B-3L MG Chemicals Black Encapsulating & Potting Compound  0.8 gal 8 lbs
Qty:  
MGC-832B-60L MG Chemicals Black Encapsulating & Potting Compound 16 gal 160 lbs
Qty:  
MGC-832C-375ML MG Chemicals Clear Encapsulating & Potting Compound 12oz 2 lbs
Qty:  
MGC-832C-3L MG Chemicals Clear Encapsulating & Potting Compound  0.8 gal 8 lbs
Qty:  
MGC-832C-60L MG Chemicals Clear Encapsulating & Potting Compound 16 gal 160 lbs
Qty:  
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