With the increase of oil length, water absorption of the film reduces, while electrical strength increases, but water-dispersible was bad, the ideal oil length was 37%;

桐油改性水性醇酸树脂油度增大，漆膜的吸水率降低，电气强度增大，但树脂的水溶性变差，理想油度为37%；

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With the increase of oil length, water absorption of the film reduces, while electrical strength increases, but water-dispersible was bad, the ideal oil length was 37%;

桐油改性水性醇酸树脂油度增大，漆膜的吸水率降低，电气强度增大，但树脂的水溶性变差，理想油度为37%；

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