S. S. Glass ink Golden Yellow in packing of one ( 1 ) Kg. confirming followingexperimental and required standards for acceptance/ rejections of S. S. GlassInk on the basis of practical tests. ( I ) Covering Capacity: Ink must havesufficient covering capacity so that the surface does not remain visible afterapplicationof one coat in screen printing. ( II ) Brightness: It must have sufficientbrightness so that letter are clearly visible on panel. A letter of size 150 mmfrom a distance of 25 metre and a letter of size 50 mm from a distance of 10metre must be clearly visible to eyes of a healthy person. ( III ) Consistency: Ink should be in the form of paste and must pass through 80 No. nylo boltcloth during screen printing. ( IV ) Fluidity: It may be easily spread over screenby screwjee during screen printing but should not flow after printing. ( V ) Drying Time: It must have at least 30 minuts drying time so that five or morecoaches can be printed after applying on screen. After printing on panel itmust be tack free in 40- 45 minutes and completely dry in 60- 75 minutes. ( VI ) Washability:- It should be possible to clean ink left over on screen by kerosene oil.