OS365 Engineering Technology
| NO.: | OS-CP11 |
| Brief: | 100%Natural material,Non-toxic, tasteless,Clean, sound No dust pollution Dry and Wet Long life |
1.100% odorless
2. diameter of 7cm to 1cm long
3. does not contain eight heavy metals (lead, antimony, arsenic, barium, cadmium, chromium, mercury, selenium) than regulatory limits
4. dry and wet plate surface can be written in the board
5. write wipe board surface with water colors and oils will be left
6. in the wet plate surface will not have the time to write the color spread phenomenon
7. indoor use is not temperature or humidity changes (melting or deformation) of
* SGS test report, except for direct sunlight exposure
1.100% odorless
2. diameter of 7cm to 1cm long
3. does not contain eight heavy metals (lead, antimony, arsenic, barium, cadmium, chromium, mercury, selenium) than regulatory limits
4. dry and wet plate surface can be written in the board
5. write wipe board surface with water colors and oils will be left
6. in the wet plate surface will not have the time to write the color spread phenomenon
7. indoor use is not temperature or humidity changes (melting or deformation) of
* SGS test report, except for direct sunlight exposure
