... of polypropylene frp plastic Corrugated honeycomb sheet: 1.High endurance level and does not keep inside. 2.Formed by heating, it ... easy maintain and process 3.Waterproof, it absorbs very low level of humidity 4.Chemical resistance, it is resistant to bacteria formation ... , It has perfect electrical isolation 6.Recyable, resuable, it has a longer life cycle 7.Flexibility, it can be easy bent ...