... , real easy to be carried and used. 2. High stability 3. Long- ... source Main Application: 1.All kinds of coating and finishing surface,such as paint,warnishes,printing ink,ect ... .Decorative materials.Such as : marble, granite, ceramic and polishing tile and so on. 3.The other kinds of matericals ... and objects,such as plastic ,woodenware and paper,etc gloss meter for testing ...