ISO 4586-7:2018 pdf download.High-pressure decorative laminates (HPL, HPDL)一Sheets based on thermosetting resins (usually called laminates)一 Part 7: Classification and specifications for design laminates.
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
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3.1 high-pressure decorative laminate HPL HPDL sheet consisting of layers of cellulosic fibrous material normally paper) impregnated with thermosetting resins and bonded together by the high pressure process (3.2) Note 1 to entry: This is a general definition of high-pressure decorative laminate(s). More specific product definitions can be found in ISO 4586-3 to ISO 4586-8. Note 2 to entry: The back of the sheet(s) is made suitable for adhesive bonding to a substrate.
3.2 high-pressure process simultaneous application of heat (temperature ≥120 °C)and high specific pressure (≥ 5 MPa), to provide flowing and subsequent curing of the thermosetting resins to obtain a homogeneous non- porous material with increased density (2 1,35 g/cm3), and with the required surface finish
3.3 pearlescent laminate high-pressure decorative laminate (3.1), the surface material of which consists of a pearlescent effect decorative paper, which is impregnated with melamine resin
Note 1 to entry: To achieve the optimum aesthetic effect from the pearlescent pigment a protective melamine layer is not used. Note 2 to entry: As a result, some surface properties are reduced (e.g. scratch, wear) therefore it is recommended that these products are used for vertical applications.
5 Requirements
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 5A. 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 4586-2:20 18, Clause 4, at a distance of 0,75m
to 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 F 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.
Some of these products are directional in surface finish or colour and they shall be installed in the correct orientation.
5.2.3 Metal
When inspected in daylight or D65 standard illuminant and under tungsten-filament lighting illuminant F 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.
Some of these products are directional in surface finish or colour and they shall be installed in the
correct orientation. Small indentations in the surface are unavoidable.
5.2.4 Wood veneer
Due to the fact that wood is a natural product, each veneer may be considered as unique. Slight colour and structure differences are considered normal. Singularities such as knots and resin inclusions are not considered as defects, but as a part of the decor. There are differences in light fastness performance depending on the wood species and the source of the wood.
5.2.5 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.
5.2.6 Visual inspection
5.2.6.1 General
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.
5.2.6.2 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 mm2/m2 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 mm2/m2 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.
5.2.6.3 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.
5.3 Dimensional tolerance requirements
5.3.1 Dimensional tolerance requirements for pearlescent laminates
Dimensional tolerance requirements for pearlescent laminates are specified in Tables 2 and 3..
5.4.5 Notes on requirements for reaction to fire (see Annex B) The requirements for reaction to fire are determined by the fire regulations of the country in which the material is to be used. The reaction-to-fire of construction products is classified in accordance with various test methods specific to individual nation where the material is installed. For applications other than construction, fire test methods and performance requirements may vary from one country to another, and at present it is not possible, with any test, to predict compliance with all national and other requirements. No fire performance test is therefore included in this specification, however Annex B gives examples of how high-pressure laminates relate to ASTM E84 and EN 13501-1[2] and some of the more common fire test scenarios.ISO 4586-7 pdf download.