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Activator Type I, Dow 7 Coating #680-296
Activator Type I, Dow 7 Coating
Chemical Name:
Activator Type I

Product Description:

This is Activator Type I formulated specifically for use with the “Dow 7”

conversion coating process for magnesium alloys.  Type I is chosen for

most wrought alloys, hog-outs, and weldments.  Being less aggressive

than Type II, it is formulated as the safer and easier-to-use activator option

when the aggressiveness of the Type II activator to overcome die casting skin

is not required.              


Specification & Certifications:

The coating produced by proper application of this solution along with the

Dichromate solution, conforms to SAE AMS-M-3171, Type III (formerly

MIL-M-3171, Type III), sometimes referred to as “Dow 7”. 


Application Notes:

Parts containing bearings, studs, and inserts of brass, bronze, steel, cadmium-

plated steel and aluminum may be treated using this activator. 



This formulation contains fluorides that are highly corrosive to skin

and bones.  Use only with appropriate personal protective equipment (PPE)

which includes neoprene waders, a chemical apron, neoprene gloves,

face shield, and either a fume hood or other suitable ventilation.


Click here to download Material Safety Data Sheet (MSDS)



This Type I activator kit includes a 1-Gallon jug of Type I concentrate packed

in a 5-gallon screw top pail.  At time of use, 3 gallons of water are added to

the pail to which the 1-gallon jug of Type I activator is added.  This will make

a 4-gallon immersion bath which is generally large enough to handle most small

parts.  Immersion time is generally about 5 minutes in duration.  When the process

is complete, simply screw the lid on the pail and store for future use.

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Magnesium Treatment Kit
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Activator Type II, Dow 7 Coating
Activator Type II, Dow 7 Coating
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Price Each: $162.04


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