SIST EN 635-5:2000

Plywood - Classification by surface appearance - Part 5: Methods for measuring and expressing characteristics and defects

THis European Standard specifies the methods for measuring and expressing: some natural characteristics of wood, and the defects that come from the manufacturing process which are used for the classification of the appearance of plywood surfaces according to EN 635-1, EN 635-2 and EN 635-3.

Sperrholz - Klassifizierung nach dem Aussehen der Oberfläche - Teil 5: Meßverfahren und Angabe der Merkmale und Fehler

Diese Europäische Norm legt die Meßverfahren und die Angabe von: einigen natu(rlichen Merkmalen des Holzes und einigen fertigungsbedingten Fehlern fest, die verwendet werden zur Klassifizierung des Aussehens der Oberfla(chen von Sperrholz nach EN 635-1, EN 635-2 und EN 635-3.

Contreplaqué - Classification selon l'aspect des faces - Partie 5: Méthodes de mesure et d'expression des caractéristiques et des défauts

La présente norme européenne prescrit les méthodes de mesure et d'expression: de quelques caractéristiques inhérentes au bois, et de quelques défauts dus ` la fabrication pris en compte pour la classification de l'aspect des faces du contreplaqué selon EN 635-1, EN 635-2 et EN 635-3.

Vezan les - Klasifikacija po videzu površine - 5. del: Metode za merjenje in izražanje značilnosti in napak

General Information

• Status: Published
• Publication Date: 30-Apr-2000
• ICS: 79.060.10 - Plywood
• Technical Committee: LLZ - Les, lesni izdelki in zaščita lesa
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-May-2000
• Due Date: 01-May-2000
• Completion Date: 01-May-2000
• Directive: 305/2011 - Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
• Directive: 89/106/EEC - Construction products
• Ref Project: EN 635-5:1999 - Plywood - Classification by surface appearance - Part 5: Methods for measuring and expressing characteristics and defects

Overview

SIST EN 635-5:2000 is a European Standard developed by CEN that defines the methods for measuring and expressing the surface characteristics and defects of plywood. This standard specifically supports the classification of plywood surface appearance in accordance with EN 635-1, EN 635-2, and EN 635-3. By standardizing the measurement and description procedures, SIST EN 635-5:2000 ensures consistent quality control and evaluation of plywood panels used across various industries.

Key Topics

• Surface Appearance Classification
  SIST EN 635-5:2000 focuses on establishing reliable measurement techniques for both natural wood features and manufacturing defects on plywood surfaces. These evaluations impact how plywood is graded and classified for commercial and industrial use.
• Defect Identification and Measurement
  The standard outlines precise methods to detect, quantify, and document surface defects such as knots, splits, discolorations, and other irregularities that may affect plywood aesthetics and structural integrity.
• Natural Wood Characteristics
  It provides guidelines for assessing inherent wood traits that influence surface quality, such as grain patterns, color variations, and texture. These natural characteristics are critical when specifying plywood for decorative or visible applications.
• Standardized Reporting
  SIST EN 635-5:2000 promotes uniform terminology and measurement expression, facilitating clear communication between manufacturers, suppliers, and end-users regarding plywood surface quality.

Applications

• Plywood Manufacturing
  Manufacturers use SIST EN 635-5:2000 as a reference to control and monitor surface quality during production, ensuring compliance with classification standards and customer specifications.
• Quality Assurance and Inspection
  Quality control teams rely on the standardized measurement methods to verify plywood surface conditions, reducing variability in product evaluation and supporting consistent dispatch of graded products.
• Woodworking and Furniture Industries
  Accurate classification of surface appearance helps designers and craftsmen select suitable plywood grades for furniture, cabinetry, and interior finishes where visual appeal is paramount.
• Construction and Building Materials
  Builders and suppliers can specify plywood grades based on surface quality measurements to match the requirement of exposed or structural uses, balancing aesthetics and performance.

Related Standards

• EN 635-1: Plywood - Classification by Surface Appearance - Part 1
  Provides general principles for plywood surface classification, building on which EN 635-5 specifies the measurement methods.
• EN 635-2: Plywood - Classification by Surface Appearance - Part 2
  Details specific classification rules for different plywood types according to surface features.
• EN 635-3: Plywood - Classification by Surface Appearance - Part 3
  Covers additional classification criteria and application guidelines for plywood surfaces.
• ISO 2286 Series: Rubber-Coated Fabrics
  While not plywood specific, related standards on material surface testing principles may offer complementary inspection approaches.

By adhering to SIST EN 635-5:2000, industry stakeholders ensure high-quality plywood products with well-defined surface appearance criteria, facilitating trust, market acceptance, and optimized material selection for a range of applications.

Standards Content (Sample)

SLOVENSKI STANDARD
01-maj-2000
9H]DQOHV.ODVLILNDFLMDSRYLGH]XSRYUãLQHGHO0HWRGH]DPHUMHQMHLQ
L]UDåDQMH]QDþLOQRVWLLQQDSDN
Plywood - Classification by surface appearance - Part 5: Methods for measuring and
expressing characteristics and defects
Sperrholz - Klassifizierung nach dem Aussehen der Oberfläche - Teil 5: Meßverfahren
und Angabe der Merkmale und Fehler
Contreplaqué - Classification selon l'aspect des faces - Partie 5: Méthodes de mesure et
d'expression des caractéristiques et des défauts
Ta slovenski standard je istoveten z: EN 635-5:1999
ICS:
79.060.10 Vezan les Plywood
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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