LVL board (environmentally friendly) 1)Certificate:CARB,ISO9000 ... Report: RoHs 6-item test, environmental test. LVL material compared with the solid wood lumber, it ... chipping, bore, open joints, nails, etc.4) LVL has the anti-corrosion, fireproof, waterproof properties, mainly ... the production process of the environmental quality adhesive. LVL products produced in the formaldehyde emission reach the ...