22-0222

CHEMICALS & PRINTED CIRCUIT Chem DRAFTING AIDS Etch Resist Ink Pens Circuit Board Drafting Patterns An 8-1/2" x 11" sheet containing two dozen of the most commonly used pre-spaced component configurations. Self-adhesive pads may easily be removed from master sheet with printed circuit knife and placed upon Mylar © positive artwork. A highly refined process and ink assures true opacity and the excellent definition necessary for quality printed circuit work. Black felt tip pens for marking nomenclature and touching up photo artwork or etch resist circuits directly on the PC board or on the positive. Dries instantly. Easy application. Can be removed with Stripping Solution (22-240) or alcohol. Part No. 22-220 Std. Size – draws lines approx. 1/32" wide Part No. 22-222 Fine Line – draws lines as thin as 1/64" wide Part No. 21-677 Exposing Frame Assures tight contact between positive or negative and the photosensitive material. Results in perfect transfer of circuit image to the board. Part No. 22-393 For boards up to 10" to 12" PC DEVELOPING & ETCHING Positive Type Developer Concentrate PC Board Etching Solution For developing photo sensitized PC boards coated with positive type etch resist. To be diluted with 9 parts of water to 1 part of developer. 6 oz. will develop 10 to 20 sq. ft. of PC board. This ferric chloride solution is one of the most effective and safest etching materials for copper clad PC boards. 6 oz. will etch about 180 sq. inches of PC board. Use only in plastic or glass trays. pH. 1.57 Part No. 22-225-A 2 fl. oz. Bottle Part No. 22-226 6 fl. oz. Bottle 62 Part No. 22-237 6 fl. oz. Bottle Part No. 22-238 32 fl. oz. Bottle Part No. 22-239 1 Gallon Container Etching Solution Heater Fits in tank and heats solution up to 38°C (100°F). Used to further reduce etching time. Built-in adjustable thermostat controls temperature continuously to 100°F.120V AC/100 W Max. Part No. 22-392 Phone (815)316-9080•Fax (815)316-9081 All quantities are single; BU’s are packages of 10 Unless otherwise noted.