Lumber Formwork I Beam
*Composing
A) Flange: pine LVL flange and solid sawn pine lumber flange.
B) Pine plywood web
C) WBP phenolic resin
D) Painting on the surface of flange and web: with yellow, waterproof, fireproof, rot-proof and frozen-proof painting, and the painting is environment friendly, meeting the environmental protection request.