Quality supervision and spot check of particle board products and common quality defects According to the requirements of such standards as Chipboard (GB/T 4897-2015) and Indoor Decoration Materials – Wood based Panels and Their Products – Limits of Formaldehyde Release (GB 18580-2017), spot checks were conducted on the water absorption thickness expansion rate, static bending strength, internal bonding strength, surface …

Random inspection of MDF product quality supervision and common quality defects Common spot checks are carried out according to the requirements of such standards as Medium Density Fiberboard (GB/T 11718-2009) and Indoor Decoration Materials – Wood based Panels and Their Products – Limits for Formaldehyde Release (GB 18580-2017). The water absorption thickness expansion rate, static bending strength, internal bonding strength, …

Medium density fiberboard, as the raw materials purchased are not strictly controlled, resulting in insufficient viscosity of the glue, which may break and delamination in use, posing a certain potential safety hazard to consumers.