Table 3.
Average color parameters of bamboo surfaces after heat treatments

Heat treatment conditions			Color parameters
Temperature	Time	SF
180℃	60 min 90 min120 min	4.134.314.43	43.1944.5941.56	7.059.239.06	19.5421.2518.88	2.352.565.24
200℃	60 min 90 min120 min	4.724.905.02	32.6530.2529.31	7.605.444.95	8.61 5.11 4.37	18.7219.8824.80
220℃	60 min 90 min120 min	5.315.495.61	31.2628.7027.66	6.384.271.96	6.30 2.93 1.19	25.1128.9528.27