There is a grain on the surface of the product. (Note: rice grain to the surface of the upper convex surface, hands will have the feeling of the hand scraping past. Just opposite to the water point

Analysis of the reasons for the 1 product oil spray is too thin, resulting in good oil spray will bite the bottom. 2 light oil is too strong. 3 if it is a heat transfer film products, the agent sprayed less, not fully activated membrane paper will bite the bottom. When the water is not dry at the end of 4 roast. Bottom oil is not completely dry.

If the paint is the improvement measures after high temperature baking, directly hit the sand re spray oil; if PC is ABS oil, anti oil paint wash clean, re operation.

Heat transfer film paper

Marble heat transfer film

Permanent countermeasures 1 product bottom oil must spray uniform. 2 if the light oil is too strong to open water, can add a little xylene. 3 if the film paper not fully activated, the activation may be appropriate to add more dose. 4 if the oil is not completely dry, appropriate heating and baking time.