3-ply-shuttering-formwork-panels(LBL--laminated blockboard lumber), each llayer made of rectantulare bar jointed,sealed with hot pressing melamine resin on each sides. material: fir,spruce glue: Mr,WBP,ML origin: China specification: Size: 1000x500x27mm 2000x500x27mm,2500x500x27mm 970x500x27mm 1970x500x27mm (9mm+9mm+9mm) usage:construction,door,fence,roof,pole