HI, im selling a dry film solder mask resist for good professional finish in pcb, this its high quality Duponts 3mil thickness mask, easy to use and amazing finish,
im selling it for 8 USD per foot long and 16" Width, shiping its from Honduras using postal service, also i can use fedex or dhl to send to USA, but thats an exprensive service.
this its a tutorial
http://www.instructables.com/id/Dry-Fil ... k/?lang=es
also a complete thecnical guide from Dupont
http://www2.dupont.com/Imaging_Material ... olderMask/