This part of GB/T4893 specifies the method for the determination of the dry heat resistance of furniture surfaces. This section applies to all cured surfaces of finished furniture and tests performed on unused surfaces of furniture or test panels. This section does not apply to leather and textile surfaces.
GB/T 4893.3-2020 Referenced Document
GB/T 10610 Geometrical Product Specifications(GPS)Surface texture:Profile method.Rules and procedures for the assessment of surface texture
GB/T 3190 Chemical composition of wrought aluminium and aluminium alloys