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Question 5: Sometimes I see a skim layer on the finish surface? Can you please tell me causes and fixing methods?

, 20/08/2011, 03:32 GMT+7

Answer:

*   Causes: You may keep the topcoat material or varnish open in the air too long.

*   Fixing methods: the chemical materials must be closed tightly in barrels, so that the air can not go inside. All the barrels must be covered carefully when not used. Besides, you can add a small volume of suitable chemical into barrels that are uncovered or not used for a long time to protect the finish from skimming.