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Protective Coatings
Acrylic Lacquer Conformal Coating
419C
Our 419C Acrylic Conformal Coating is an IPC 830 certified, fast drying, xylene and toluene free product that provides an excellent finish. This one part coating is easy to use and does not require special or costly equipment to apply. It is ideal for high moisture environments and applications requiring easy repair and rework.

The 419C coating protects electric circuit against moisture, dirt, dust, thermal shocks, and scratches that could corrode, short circuit, or otherwise damage the electric component. It insulates against high-voltage arcing, shorts, and static discharges. As well as, this coating provides a high dielectric withstand voltage that allows traces to be put closer together helping with miniaturization.
Super fast cure reduces production and maintenance bottlenecks.
No Hazardous Air Pollutants free of toluene and xylene
Externally Qualified to IPC-CC-830B by Pacific Testing Laboratories, Inc.
Meets UL 94V-0
UL Recognized (File # E203094)
Excellent finish smooth, homogeneous, and durable crystal clear coat
Protects electronics from moisture, corrosion, fungus, and static discharges
Easy to inspect fluoresces under UV (UV-A blacklight)
Easy rework and repairs can solder through coat; remove with MG Chemicals' Thinner/Cleaner (cat. no. 435-1L) or Conformal Coating Stripper (cat. no. 8310-100ML)


Silicone Conformal Coating
422B
Ideal for high temperature environments. Silicone Conformal Coating (422B) is a flexible finish product that provides a protective coating for printed circuit boards against moisture, corrosion, and thermal shock. It protects and insulates electrical and electronic components and assemblies, including generators, motors, transformers, relays, and solenoid coils. For spraying, liquid can be thinned using M.G. Thinner Cleaner. Thin up to one half part thinner to one part coating.
Directions of Use

Best results will be obtained by applying to thoroughly cleaned and dried parts or materials. It is essential that surfaces be free of any trace of grease or organic substances.
At room temperature, the product will tack free in approximately 5-7 minutes, and full cure will be achieved in approximately 48 hours.
Curing may be accelerated by applying moderate heat with either a convection oven or infrared lamps. We recommend curing in a convection oven at 65°C (149°F) for one hour, but other temperature and time combinations can work well. Heat curing will improve the physical strength of this coating.

422B-340G 340g (12 oz) Aerosol
422B-P Overcoat Pen (clear)
Urethane Conformal Coating 4223

Ideal for extreme chemical conditions. Urethane conformal coating is a durable finish product that provides a protective coating for printed circuit boards against moisture, corrosion, and thermal shock. It protects and insulates electrical and electronic components and assemblies, including generators, motors, transformers, relays, and solenoid coils. For spraying, liquid can be thinned using M.G. Thinner Cleaner. Thin up to one half part thinner to one part coating.
Features
Fungicidal
Fast drying-units can be handled in 30 minutes
Apply by dip, brush or spray
Class F temperature rating (160°C / 320°F)
Excellent chemical resistance
Oil and moisture resistant
Excellent for coating circuit boards
Superior abrasion resistance
Excellent adhesion
Good flexibility
Can be thinned to desired viscosity using M.G. Chemicals Cat No. 435 Thinner Cleaner Solvent
4223-55ML  55 ml
Super Corona Dope 4226

Dielectric Strength : 4100 V / mil
Useful for high voltage applications
Insulates components circuits and assemblies
Excellent arc and corona resisting properties
Protects motor windings and coils from arcing and discharge
Protects against moisture and oxidation

4226-55ML  55 ml
Red Insulating Varnish 4228

Dielectric Strength (dry): 3000 V / mil
Protect motor windings, small dry type transformers, and coils from arcing, discharge and oxidation
Class F thermal protection (20,000 @ 150°C)
High dielectric strength


4228-55ML  55 ml
Connector Coating 4229

A high performance replacement for standard electrical tape and shrink wrap. Seals, insulates and protects exposed wires, metal, and plastic. Forms a strong, pliable moisture resistant bond. Will not crack. Great for hard to get at areas. Tack free in minutes. Resists detergents, acids, alkalis, and sunlight. Product remains flexible from -34C° to 93°C (-30F° to 200°F).
4229-55ML  55 ml
Silicone Conformal Coating Pen 422B-P

Protects printed circuit boards against moisture, corrosion
and thermal shock.
Clear tough protective coating
Protects against static discharge
Dries in minutes - cure time 12 - 48 hours at room temperature or 1 hour at 65°C (149°F)
Remains flexible from -65°C to 200°C (-85°F to 392°F)
422B-P  5 ml


Conformal Coating Stripper
8310
Removes protective coatings, including epoxy, urethane, silicones, and acrylics. Also removes carbon, tar, adhesives, rubber, and some plastics.
Extra Strength
Non-flammable
Non-drip (gel type)
Safe on metals
Avoid contact with skin
8310-55ML 55 ml (2 oz)
Liquid, with brush cap









Conformal Coating Thinner / Cleaner
435
For thinning M.G. Chemicals Coating up to 50%. Also for use cleaning workplace and equipment after using conformal coatings.


Fast evaporating
Highly flammable



Available Sizes


Catalog Number
435-55ML  55 ml (2 oz)
Liquid with brush cap
435-1L 1L (33 oz) Liquid
Green Overcoat Pen
4190-GP
Protects printed circuit boards against moisture, corrosion, and thermal shock. Protects and insulates electrical and electronic components and assemblies, including generators, motors, transformers, relays, and solenoid coils. Convenient pen applicator for precision work.



Green tough protective coating
Protects against static discharge
service temperature limits: 65C
solids by volume: 18%
solids by weight: 25%
viscosity: 50-55, 20-25 Sec.s NBR.
Easy to repair
UV indicator added for O.C. inspection
Remove with M.G. Chemicals cat# 831 Conformal Coating Stripper
Clean up with M.G. Chemicals cat# 435 Conformal Coating Thinner Cleaner
Available Sizes  
4190-GP 0.16 oz Pen
Threadlocker Low Strength Removable 8701
For fasteners up to 1/4"
Low strength threadlocking
The solution to vibrational loosening. Loosening of fasteners creates warranty problems, reliability issues and unscheduled shutdown of equipment. Threadlockers completely fill in thread paths to eliminate the movements that cause parts to shake and vibrate loose.
One drop prevents loosening and ensures a secure hold
Pick the strength you need, to stop corrosion, seal threads,
improve torque control, reduce galling, and minimize inventories
Only cures in the absence of air (anaerobic) making cleanup
of excess product easy
Threadlockers can drive reliability up and costs down
Threadlockers provide lubricity to achieve controlled torque during assembly and operation
They hold critical clamp load pressures under the most severe environments
8701-10ML-BP (0.2 oz)
Threadlocker Medium Strength Removable 8702

Ideal for fasteners 3/4" or smaller
General purpose, medium strength, removable
The solution to vibrational loosening. Loosening of fasteners creates warranty problems, reliability issues and unscheduled shutdown of equipment. Threadlockers completely fill in thread paths to eliminate the movements that cause parts to shake and vibrate loose.
One drop prevents loosening and ensures a secure hold
Pick the strength you need, to stop corrosion, seal threads,
improve torque control, reduce galling, and minimize inventories
Only cures in the absence of air (anaerobic) making cleanup
of excess product easy
Threadlockers can drive reliability up and costs down
Threadlockers provide lubricity to achieve controlled torque during assembly and operation
They hold critical clamp load pressures under the most severe environments
8702-10ML-BP (0.2 oz)
Threadlocker Medium Strength Removable 8703
Ideal for fasteners up to 1"
High strength, permanent threadlocking
The solution to vibrational loosening. Loosening of fasteners creates warranty problems, reliability issues and unscheduled shutdown of equipment. Threadlockers completely fill in thread paths to eliminate the movements that cause parts to shake and vibrate loose.
One drop prevents loosening and ensures a secure hold
Pick the strength you need, to stop corrosion, seal threads,
improve torque control, reduce galling, and minimize inventories
Only cures in the absence of air (anaerobic) making cleanup
of excess product easy
Threadlockers can drive reliability up and costs down
Threadlockers provide lubricity to achieve controlled torque during assembly and operation
They hold critical clamp load pressures under the most severe environments
8703-10ML-BP (0.2 oz)
Threadlocker Medium Strength Removable 8704
For fasteners up to 1"
High strength, wicking grade
Ideal for post application to pre assembled fasteners
Penetrates threads by capillary action
Secures screws, bolts, seal welds, porous metal parts
The solution to vibrational loosening. Loosening of fasteners creates warranty problems, reliability issues and unscheduled shutdown of equipment. Threadlockers completely fill in thread paths to eliminate the movements that cause parts to shake and vibrate loose.
One drop prevents loosening and ensures a secure hold
Pick the strength you need, to stop corrosion, seal threads,
improve torque control, reduce galling, and minimize inventories
Only cures in the absence of air (anaerobic) making cleanup
of excess product easy
Threadlockers can drive reliability up and costs down
Threadlockers provide lubricity to achieve controlled torque during assembly and operation
They hold critical clamp load pressures under the most severe environments
8704-10ML (0.2 oz)
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