Etching processIs currently a very common production and processing techniques, often used for metal material etching production and processing, we commonly used outdoor advertising light boxes, circuit board routes, elevator car board, stainless steel plate ceiling ceiling these, the production of such goods are often usedEtching process。Generally, according to the type of material etched, Jolida etching will make the process as shown below：

（1）Copper etching

Production process: by grinding or metal drawing of copper money surface cleaning solution → ink printing photoresist ink, packaging printing text → dry mania → pre-etching → hand washing → check → etching → hand washing → acid dipping treatment → water washing → remove the protective layer of screen printing ink → warm water washing → cool water washing → pretreatment → manufactured products.

（2）Stainless steel plate etching

Production process: furniture plate surface cleaning solution → screen printing liquid photoresist ink → dry → exposure → developer → hand wash → dry → check and repair → firm film → etching → remove protective layer → water cleaning.

（3）Aluminum profile etching

Production process: furniture plate surface cleaning solution → screen printing liquid photoresist ink → drying out → exposure → developing solution → hand washing → drying out → checking and repairing → firm film → dipping alkali solution (alkali etching) → ink withdrawal (cleaning photoresist etching ink) → water cleaning.

Regardless of which raw material the etching production process, the first process is to select a most suitable ink. The selection of the ink generally stipulates that it should have good corrosion resistance characteristics against etching, improved decoherence, the ability to print fine filaments, etching deep layers to achieve the provisions of the production and manufacturing, and effective price.

Sensitive etching blue oil is a high resolution, ink printing etching ink. Both can be done as a route etching ink for pcb circuit boards, but also on the surface of stainless steel plates and aluminum profiles can be done as a resist etching to achieve maintenance ink. Sensitized blue oil can be etched fine filament, its etching depth is generally 20μm. deinking as long as the 5% sodium hydroxide solution solution 60-80 seconds, the temperature of water at 55-60 ℃, you can reasonably remove the ink.

Naturally, the imported photo-etching blue oil is more expensive than the general, if the momentary commodity regulations are not too high precision, you can use the domestic self-drying momentary ink, such as hardware outdoor advertising light box, stainless steel plate elevator car plate door frame, etc., but if the etched commodity standards are very high precision, Shenzhen Zhuolida etching proposed to use imported photo-etching blue oil.