Lectroetch Electrolyte and Cleaner Chart

METALS, ALLOYS, PLATINGS	ELECTROLYTE	POWER UNIT CIRCUIT	COLOR	COMMENTS
Aluminum and Alloys	210A	DC	BLACK	Allow a few seconds for color to develop before cleaning.
	LNC-9, LNC-3	DC	GRAY	Deep mark. Dark color on some alloys.
	LNG-5, LNC-2, 250A	DC	WHITE	Used on bright finish or polished surfaces.
Aluminum Alloys - High Magnesium or Silica	LNC-5, LNC-2, 250A	DC	CLEAR	Cannot be color marked.
Anodized Aluminum				Must be marked prior to anodize - see special instructions.
Aluminum Bronze, Bronze, Phosphor Bronze-Brass, Brass Electroplate	220A, 117A, LNC-5	AC	BLACK	Electrolyte depends on composition of alloy.
	220A, 117A, LNC-5	DC	CLEAR	Electrolyte depends on composition of alloy.
Cadmium Electroplate	LINC-5,117A, 112A	AC	BLACK	Excess electrolyte may cause staining.
Carbides	LNC-3, 250A, 255A, LNC2	AC	DARK	Use maximum Power Unit output.
Chrome Plate-Hard	LNC-3, LNC-4, GB-77	DC	CLEAR	Cannot be color marked, unless deep-etched through plating.
Chrome Plate-Decorative	LNC-7	AC	DARK
Chrome Plate-Decorative	LNC-7	DC	CLEAR
Cobalt Alloys, Stellite	LNC-1, LNC-3, 260A	AC	BLACK	Sandblast surface should have light oil film before marking.
Cobalt Alloys, Stellite	LNC-1, LNC-3, 260A	DC	CLEAR
Copper and Alloys, Copper Electroplate	220A, LNC-5, 117A	AC	BLACK	Electrolyte depends on composition of alloy.
Copper and Alloys, Copper Electroplate	220A, LNC-5, 117A	DC	CLEAR	Electrolyte depends on composition of alloy.
Covar	255A, GB-2	AC	BLACK
Deep-Etch Aluminum, Ferrous Metals	LNC-3, LNC-9, GB-77	DC	CLEAR	Use deep-etch Hand Pad, Type F Wick, interrupted current.
Brass, Bronze, Copper	LNC-5	DC	CLEAR	Use deep-etch Hand Pad, Type F Wick, interrupted current.
Discaloy	LNC-3, 260A	AC	BLACK
Gold and Alloys, Gold Plate	LNC-1, LNC-3, 2611A	AC	BLACK	Use minimum electrolyte
	LNC-1, LNC-3, 2611A	DC	CLEAR	Use minimum electrolyte
	GB-2 (Plate)	DC	BLACK	Reverse polarity.
Hastelloys	LNC-1, LNC-3,, LNC-4, LINC-8	AC	BLACK
Inconel	251 A, LNC-1, LNC-3, 2611A	AC	BLACK
Inconel	GB-2 (PLATE)	DC	BLACK	Reverse polarity.
Iron	LNC-1, LNC-3, 2611A, 112A	AC	BLACK
Lead and Alloys, Lead Plate	LNC-4, 250A	AC	BLACK
Lead and Alloys, Lead Plate	LNC-4, 250A	DC	CLEAR
Magnesium and Alloys	LNC-4, LNC-5, 250A	DC	CLEAR	Mark before galvanic anodize - cannot be color marked.
Monel Metal	LNC-1, LNC-3, 2611A	AC	BLACK	Circuit depends on surface finish and results desired.
Monel Metal	LNC-1, LNC-3, 2611A	DC	CLEAR	Circuit depends on surface finish and results desired.
Nickel and Alloys, Nickel Platings	LNC-2, 250A, LNC-9	AC	BLACK
Nickel and Alloys, Nickel Platings	LNC-2, 250A, LNC-9	DC	CLEAR
Steel-Low Carbon, Mild	LNC-1, LNC-3, 2611 A, 112A	AC	BLACK
Steel-high Alloy, Tool	LNC-3, LNC-9, 260A	DC	CLEAR
Saw Steel	L-50, LNC-1, 2611A	AC	BLACK
Stainless Steel	300 SERIES D462, 53NC, LNC-2	AC	BLACK	Color depends on series of stainless.
Stainless Steel	400 SERIES LNC-8, CF-25, 260A	DC	CLEAR	Color depends on series of stainless.
Silver, Silver Plate	LNC-6, 117A, 251 A	AC	BLACK	Permanency of mark depends on composition.
Silver, Silver Plate	LNC-6, 117A, 251 A	DC	CLEAR	Permanency of mark depends on composition.
Tin and Alloys, Tin Plate	LNC-5, 117A, 112A	AC	BLACK
Titanium	250A, (Nuc. Gr.), LNC-3, 251A, 260A	AC	DARK	Minimum power, electrolyte.
	GB2 (plate)	DC	BLACK Reverse polarity.
	2611A	DC	Deep etch.
Zinc and Alloys, Zinc Plating, Electro-Galvanize	112A, 117A, LNC-5	AC	BLACK
Zinc and Alloys, Zinc Plating, Electro-Galvanize	GB-2 (plate)	DC	BLACK	Reverse polarity.
Chromated Cadmium, Zinc	LNC-2, LNG-5, 117A	AC	BLACK	Surfaces partially passivated. Use max. output and pressure.
Chromated Cadmium, Zinc	LNC-2, LNG-5, 117A	DC	CLEAR
Black Oxide	270A	AC	WHITE	Electrolyte, circuit, power unit output depends on coating involved. See special instructions/submit samples for test marking.
Black Oxide	D462, LNC-4, LNC-3	DC	WHITE
Blue Furnace Oxide, Phosphated Steel, Other Supplemental Coatings	D462, LNC-3, LNC-4	DC	WHITE
NUCLEAR-GRADE ELECTROLYTES AND CLEANERS Contain less that 250ppm of Halogens, Sulpher, and Lead. Available in LNC-2, LNC-3, LNC-5, and 250 A Electrolyte fornnuations, and #2 and #3 Cleaner formulations. Certified Trace Analysis available at additional cost. SPECIAL CFX-2 NON-CLEANING ELECTROLYTE For marking high carbon and mild steel, hardened/case-hardened steels, some high- speed steels, and iron. Requires little or no post-cleaning. Ideal for bearings, feeler gauges, and other parts prone to corrosion. All Electrolytes and Cleaners are available in l-quart plastic bottles (1, 4, 6, and 12- quart packages), 1 -gallon plastic jugs, and 5-gallon plastic pails. Some electrolytes and cleaners available in 55-gallon drums. Prices on application. POSTCLEANERS AND PROTECTIVE OIL #2 CLEANER - for ferrous metals by manual wiping. #3 CLEANER - for non-ferrous metals by manual wiping. #1 All Purpose Cleaner/Neutralyte General purpose cleaners for all metals by manual wiping. LIC CLEANER - Concentrate to be diluted 9:1 with water for immersion cleaning or wiping. CT CLEANER TISSUES - for light cleaning applications on non-ferrous metals ( pkg of 1,000) RV Oil - a water-displacing (polarized) oil for in-plant protection after marking and cleaning. SEND SAMPLES! If in doubt as to which electrolyte is best for your parts, submit samples to LECTROETCH for test marking, Please include information on mteal composition, and type of mark (AC mark, DC etch, Deep Etch, etc.). There is no charge for this service. We will return parts with our recommendations.