Now, some production of three-layer parquet end of the first part of the intermediate layer is not wooden slats, but multi-layered plywood. This behavior is consumer fraud it? Plywood is made of wood veneer into segments by a wooden veneer or sliced ??into veneer, then the adhesive glue made of three or more layers of sheet material, usually odd layer of veneer, veneer and adjacent layers fiber direction perpendicular to each other glued together.
Structure divided into three parquet table board, the core layer and a bottom plate, wherein the core is generally ordinary wooden horizontal arrangement together. If three parquet ends still using ordinary wood, due to the low tensile strength stripes of wood, when made easily lock opened, leading to structural instability. Conversely, ends as multi-layer plywood core, you can enhance the tension at lock. At present, many three-layer parquet are using this structure.
China Forestry Industry Association expert committee, director of the State Forestry Administration Forest Products Inspection Centre (Changchun) Wang Jun, this structure can really enhance the strength of three solid wood flooring tip portion of the latch, and has been adopted by many manufacturers, such structure is more reasonable. If you worry about three parquet formaldehyde may be exceeded, may require the manufacturers of the same batch of three parquet for testing (sampling site as close to the floor ends), to see whether formaldehyde emissions in line with national standards. If exceeded, the consumer is entitled to request a return.
If consumers feel unable to accept three parquet end of the first part is a multilayer plywood, should clarify to the owner at the time of purchase, so as not to worry about. Share the article you might be interested in: parquet purchase nine consumer misunderstanding how to choose warm parquet paving way which is more suitable for three solid wood flooring? Three parquet paving the way for what paving the way for what? .