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Negative Type Photo Resist Liquid
DATAK Part Number: ER-71
This chemical is used to coat raw copper clad PC Boards before exposure to artwork. The photo resist liquid makes the PC board react to UV light.
This is a must have chemical for anyone making custom printed circuit boards using the "Negative" type PC Board production and etching process.

This Photo Etch Photo resist liquid is a concentrated photo-polymer solution with a spray pump. Each bottle is enough to coat 1700 Square Inches of Raw Copper Clad PC-Board.
QTY: 4oz (118.3ml) bottle with spray pump
This product CANNOT BE SHIPPED BY AIR - It must ship UPS Ground only.
Product condition: New