BS ISO 4586-8:2015 pdf download – High-pressure decorative laminates (HPL, HPDL) — Sheets based on thermosetting resins (Usually called Laminates) — Part 8: Classification and specifications for alternative core laminates
Type S – Standard grade high pressure decorative alternative core laminates.
Type F – High pressure decorative alternative core laminates with improved fire retardance; similar to type S but also complying special requirements of specified fire tests which may vary according to the application (e.g. construction, marine, transport) and the country of use (see Clause 5.4.5). In addition to the abbreviation “HPL” or “HPDL” and the number of this ISO standard, materials shall be specified by the alphabetical classification system.
NOTE E.g. Coloured core standard grade thin high-pressure decorative laminate is designated as HPL/ISO 4586-8 BTS or HPDL/ISO 4586-8 BTS.
5.1 Compliance High-pressure decorative design laminates classified in Table 1 shall comply with all the appropriate requirements specified in 5.2, 5.3, and 5.4. This applies to both full-size sheets and cut-to-size panels.
5.2 Inspection requirements
5.2.1 General Inspection shall be carried out in accordance with ISO 4586-2, Clause 4, at a distance of 1,5 m.
5.2.2 Colour, pattern and surface finish When inspected in daylight or D65 standard illuminant, as specified in ISO 11664-2, and under tungsten- filament lighting illuminant A as specified in ISO 11664-2, a slight difference between the corresponding colour reference sample held by the supplier and the specimen under test is acceptable. As colour and surface finish are critical, it is recommended that the sheets are checked for colour and surface finish compatibility without protective film before fabrication or installation.
5.2.3 Surface finish When inspected at different viewing angles, there shall be no significant difference between the corresponding surface finish reference sample held by the supplier and the specimen under test is acceptable. As colour and surface finish are critical, it is recommended that the sheets are checked for colour and surface finish compatibility without protective film before fabrication or installation.
5.2.4 Reverse side The reverse side of single-sided sheets shall be suitable for adhesive bonding (e.g. sanded). In the case of sanded backs, slight chatter marks shall be permitted.
5.2.5 Visual inspection
The following inspection requirements are intended as a general guide, indicating the minimum acceptable quality for laminates. Cut-to-size panels and certain applications involving full-size sheets may call for special quality requirements which can be negotiated between the supplier and purchaser, in such cases the following requirements may be used as a basis for agreement.
Only a small percentage of sheets in a batch (the level to be agreed upon between the supplier and the customer) shall contain defects of the minimum acceptable level. In the case of a double faced laminate, it may be agreed between the purchaser and supplier that the visual quality standard applies to one decorative face only.
22.214.171.124 Surface quality
The following defects are permissible: Dirt, spots dents, and similar surface defects The admissible size of such defects is based on a maximum contamination area equivalent to 1,0 mm 2 / m 2 of laminate and is proportional to the sheet size under inspection.
The total admissible area of contamination may be concentrated in one spot or dispersed over an unlimited amount of smaller defects. Fibres, hairs, and scratches The admissible size of such defects is based on a maximum contamination area equivalent to 10 mm 2 / m 2 of laminate and is proportional to the sheet size under inspection. The total admissible area of contamination may be concentrated in one spot or dispersed over an unlimited amount of smaller defects.
126.96.36.199 Edge quality
Visual defects (e.g. moisture marks, lack of gloss, corner damage) can be present on all four edges of the laminate, providing the defect-free length and width are at least the nominal size minus 20 mm.
For compact laminate grades, edge chipping up to 3 mm on each side is permissible.
5.3 Dimensional tolerance requirements
5.3.1 Dimensional tolerance requirements for coloured core laminates
Dimensional tolerance requirements for coloured core laminates are specified in Tables 2 and 3.BS ISO 4586-8 pdf download.