... . Small and light, real easy to be carried and used. 2. High stability 3. Long-term stable light source Main Application ... and finishing surface,such as paint,warnishes,printing ink,ect. 2.Decorative materials.Such as : marble, granite, ceramic and polishing tile ... and objects,such as plastic ,woodenware and paper,etc gloss meter for testing the gloss of marble, granite, ceramic and polishing ...