4.Formaldehyde emission becomes lower with increase of BL- formaldehyde absorptive reagent spread, augment of hot pressing temperature, prolongation of hot pressing time.

• 4.；单因素试验时，随着BL-甲醛消纳剂施加量的增加、热压温度的升高、热压时间的延长，甲醛释放量越低；