Beam: 1.material:poplar,pine,birch,hardwood 2.glue:WBP-phenolic,Melamine waterproof glue 3.usage:construction H20 Beam For Concrete Formwork:1> if used abide by the illustrations strictly, it can be reused many times.2> reducing the cost greatly and avoiding the disadvantage:restily and erosive of iron mould.3>.solve the problems of leaking and rough surface during constructing process4> ...