This product is used as the developer on our positive photo-resist printed circuit boards. Includes instructions. 50 gram package, mixes with water, makes 1 quart. Material Safety Data Sheet (PDF: 5 KB / 2 pages) POSDEV 1+ $0.95ea. 10+ $0.80ea. 25+ $0.50ea.

Circuit Specialists Inc 220 South Country Club Drive #2 Mesa, AZ 85210 800-528-1417