BS ISO 4586-4:2018 High-pressure decorative laminates (HPL, HPDL). Sheets based on thermosetting resins (usually called laminates) Classification and specifications for compact laminates of thickness 2 mm and greater

Metals
Sheet materials
Internal
Decorative materials
Plastics
Thermosetting polymers
Classification systems
Designations
Impregnated materials
Surface properties
Laminates
Paper
Dimensional tolerances
Performance

Link: BS ISO 4586-4:2018 High-pressure decorative laminates (HPL, HPDL). Sheets based on thermosetting resins (usually called laminates) Classification and specifications for compact laminates of thickness 2 mm and greater
Source: BSI Standards