Aum Dacro Coatings

AUM DACRO COATINGS

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Advantages & Properties

Adaptability & Limits

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Adaptability

Adaptability of DACROMET® & GEOMET® to a variety of metals
Materials	Applicability of DACROMET® & GEOMET®	Standard pretreatment		Non-standard pretreatment		Influence of baking temperature	Evaluation of Anti-corrosion performance
Materials	Applicability of DACROMET® & GEOMET®	Degreasing	Blasting	Pickling	Baking	Influence of baking temperature	Evaluation of Anti-corrosion performance
Hot rolled steel	O	O	O			None	O
Cold rolled steel	O	O	O			None	O
Hot rolled and pickled steel	O	O	O			None	O
Special steel (Cr Mo)	O	O	O			None	O
Stainless steel	O	O	O			None	O
Aluminum	O	O	O			None	O
Aluminum die casting	O	O	O			None	O
Sintered metal	*	O	O		O	Becareful to porosity. Pretreatment to be selected	Depends on compositions
Electro-zinc plated steel	*	O	O			Applicable after removal of plating	O
Hot dip galvanized steel	O	O	O lightly done			None	O
Cast iron	O	O	O			None	O
Copper & copper plated materials	O	O	O			None	O
Magnesium & alloyed materials	*
Brass (copper, zinc alloyed)	O	O				None	O
Zinc die casting	*
Lead	*
Solder (alloyed lead, alloyed tin)	X
Remarks : O...Applicable, X...Not applicable, *...To be consulted

Limits

Some visible contact marks may occur on flat surfaces treated in bulk by dip – spins method.

Parts have to accept curing at approx. 300 deg. C

Limited ductility restricts further plastic deformation (crimping-bending ) but is entirely adequate for the protection of parts which deform elastically i.e. springs and clips.