The performance index of plywood, particleboard and medium density fiberboard(MDF) , pressed by nano-SiO 2(1%)/ UF resin (F/U mole ratio=1.2), were above the demand of national standard and their dissociate formaldehyde release reached E-1 grade.

• 用纳米SiO2 (用量1%25 ) 脲醛树脂 (F U摩尔比 1 2 )压制胶合板、刨花板、中密度纤维板 ,板的各项性能指标都超过国家标准要求 ,甲醛释放量达到E1 级水平。