Characterization of Vietnamese Lacquer Collected in Different Seasons

Table 6

Lightness, gloss, and coloration of kneaded lacquer films¹.

Kneading speed (rpm)	Kneading time (min)	Lightness and coloration^2			Gloss
		—	—	22.66		33.27	22.78	8.9
60	15	31.42	40.09	49.75	72.8
60	30	20.57	38.84	33.33	76.6
60	45	9.40	27.52	12.50	85.8
60	60	6.08	25.27	9.05	98.2
120	15	35.87	37.43	58.74	98.3
120	30	11.78	30.72	16.53	92.2
120	45	6.22	25.32	9.26	96.1
120	60	5.03	21.42	7.18	96.6
180	15	40.24	37.22	65.49	99.0
180	30	6.32	25.99	9.57	96.7
180	45	5.05	21.21	7.16	97.0
180	60	6.47	21.91	7.23	95.2

¹Drying condition: 25°C, 80%RH, and wet thickness 76 μm.
²: lightness; : +red/−green; : +yellow/−blue.