Sodium Hydroxideui Sodium Carbonateui HClui H2O2iBankshall street eka paththe rawumak gahuwanam hari ne?
Sodium Hydroxideui Sodium Carbonateui HClui H2O2iBankshall street eka paththe rawumak gahuwanam hari ne?
HCL + H2O2 --- you going to etch pcbs ?
why sodium carbonate? as a developer ?
Rather than using Ferric Chloride I'm going to use HCl and H2O2. Na2CO3 as developer and NaOH as resist remover 
YepRather than using Ferric Chloride I'm going to use HCl and H2O2. Na2CO3 as developer and NaOH as resist remover
![]()
what photo resist you use? brought from where?
HCL & H2O2 prices please?

what photo resist you use? brought from where?
HCL & H2O2 prices please?
