Our LONGLITE® liquid photoresist is a negative and water-soluble type. It is designed for roller coating machines (horizontal or vertical) with excellent resolution and adhesion, which is suitable for acid etching printed circuit boards.

Etching inner layer of Multi Layer Boards (MLB)

Suitable for roll coating equipment to etch printed circuit board (inner layer of non-porous plate).

Vertical roller coating machine

LR-1100V, LR-3500V.

Horizontal roller coating machine

LR-1300H, LR-3600H.