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Comparison Tables Acid Versus ElectroEtch |
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Comparison Tables Acid Versus ElectroEtch |
Conditions |
Etchant ----> |
Nitric Acid |
Dutch Mordant |
Zinc Sulfate |
Copper Sulfate |
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| Fume free solution | No | No | Yes | Yes | |||||
| Fume free etching process | No | No | Yes | Yes | |||||
| Safe concentrated etchant | No | No | Yes | Yes | |||||
| Etchant safe in drains | No | No | Yes | Yes | |||||
| Safe to dispose etchant | No | No | Yes | No, precipitate copper with aluminum shavings | |||||
| Permanently reusable solution | No | No | Yes | Yes | |||||
| Predictable etch time after first use | No | No | Yes | Yes | |||||
| Microtint tone over soft ground | No | No | Yes | Yes | |||||
| Time predictable embossment depth | No | (No-but not usually used) | Yes | (Yes-but not usually used) | |||||
| Feathering needed for embossment | Yes | (Yes-not usually used) | No | (No-but not usually used) | |||||
| Smooth base for line etch | Yes | Yes | No | No | |||||
| Tone with rosin | Yes | Yes | Yes | Yes | |||||
| Tone without rosin - open bite | Very Poor | Very Poor | Partial | Good | |||||
ElectroEtch Versus Six Volt Etching
| ElectroEtch | 6 Volts |
| Soft ground: good for up to 1 hr. All fine materials far better on soft ground than on ink. | Soft ground: Blows off in 2 mins.. |
| Wet Ink: Good for up to 1 hr with some false biting. | Wet Ink: Starts to blow off in 2 mins., most gone in 4 mins., all in 10 mins.. |
| Wet Ink used as "Soft ground" and dried one week before running: Good for up to 1 hr with some false biting. | Wet Ink used as
"Soft ground" and dried one week before running: blows off before 10 mins. |
| Needle lines: Fine lines from 5 mins to about 30 mins. Range continues up to 80 mins. | Needle lines: deep at 12 mins. |
| Cross-Hatch Lines: No crossing breaks at 40 mins. | Cross-Hatch Lines: Crossing breaks at 10 mins. |
| Open Bite Tonality in Copper: Progressive Microtint from pale grey to dark grey from 5 to 150 mins. | Open Bite Tonality in Copper: Very pale grey with minimal darkening up to 0 and 20 mins, then no further darkening with increasing whiting out at sector edges. |
Bulit and Mantained by NjTek Inc.