SIST EN 204:2016

Classification of thermoplastic wood adhesives for non-structural applications

This European Standard classifies thermoplastic resin based wood adhesives for non-structural applications into durability classes D1 to D4 based on the dry and wet strengths of bond-lines measured under specified conditions after various conditioning treatments.
For special applications, further tests that do not fall within the scope of this European standard can be applicable.
The adhesives specified in this European standard are suitable for the bonding of furniture and interior structures, panelling, doors, windows, stairs etc. made of wood or derived timber products.
This European Standard does not specify the temperature resistance of bond-lines.

Klassifizierung von thermoplastischen Holzklebstoffen für nicht tragende Anwendungen

Diese Europäische Norm stellt ein Klassifizierungssystem für thermoplastische Holzklebstoffe für nichttragende Anwendungen auf. Die Klassifizierung in die Beanspruchungsgruppen D1 bis D4 erfolgt auf der Grundlage von Messungen der Festigkeit von Klebstofffugen im nassen und trockenen Zustand unter festgelegten Bedingungen im Anschluss an unterschiedliche Lagerungsfolgen.
Für spezielle Anwendungen können weitere Prüfungen erforderlich sein, die nicht in den Anwendungsbereich dieser Norm fallen.
Die in dieser Norm behandelten Klebstoffe können für das Verkleben von Möbeln und im Innenausbau sowie bei Bekleidungen, Türen, Fenstern, Treppen usw. angewendet werden, wenn diese aus Holz oder Holzprodukten bestehen.
Die Temperatur-Beständigkeit von Klebstofffugen wird in dieser Europäischen Norm nicht behandelt.

Classification des colles thermoplastiques pour bois à usages non structuraux

La présente Norme européenne spécifie une classification des colles à bois à résine thermoplastique destinées à des usages non structuraux ; ces colles sont réparties dans les classes de sollicitation D1 à D4, en fonction de la résistance à sec et de la résistance à l'état humide des joints de colle mesurées dans des conditions spécifiées, après différents traitements de conditionnement.
Pour certaines utilisations particulières, des essais complémentaires ne relevant pas du domaine d’application de la présente Norme européenne peuvent être applicables.
Les colles spécifiées dans la présente Norme européenne conviennent pour le collage de meubles, menuiseries, revêtements de murs, portes, fenêtres, escaliers, etc., en bois ou en matériaux dérivés du bois.
La présente Norme européenne ne spécifie pas la résistance à la température des joints de colle.

Razvrstitev plastomernih lepil za les za nekonstrukcijsko uporabo

Ta evropski standard določa razvrstitev plastomernih lepil za les na osnovi smole za nekonstrukcijsko uporabo v razrede trajnosti od D1 do D4 na podlagi mokre in suhe trdnosti veznih linij, izmerjene pod določenimi pogoji po različnih načinih priprave.
Za posebne načine uporabe se lahko uporabljajo dodatni preskusi, ki ne spadajo na področje uporabe tega standarda.
Lepila, opredeljena v tem standardu, so primerna za vezavo pohištva in notranjih konstrukcij, opažev, vrat, oken, stopnic itd., izdelanih iz lesa ali lesnih proizvodov.
Ta evropski standard ne določa temperaturne odpornosti veznih linij.

General Information

• Status: Published
• Public Enquiry End Date: 04-Jun-2015
• Publication Date: 22-Aug-2016
• ICS: 83.180 - Adhesives
• Technical Committee: IPMA - Polimer materials and products
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 19-Aug-2016
• Due Date: 24-Oct-2016
• Completion Date: 23-Aug-2016
• Ref Project: EN 204:2016 - Classification of thermoplastic wood adhesives for non-structural applications

Relations

• Replaces: SIST EN 204:2002 - Classification of thermoplastic wood adhesives for non-structural applications
• Effective Date: 17-Aug-2016
• Refers: SIST EN 923:2016 - Adhesives - Terms and definitions
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 131-2:2010+A3:2025 - Ladders - Part 2: Requirements, testing, marking
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 131-2:2010+A2:2017 - Ladders - Part 2: Requirements, testing, marking
• Effective Date: 28-Jan-2026
• Referred By: SIST EN ISO 12402-6:2006 - Personal flotation devices - Part 6: Special purpose lifejackets and buoyancy aids - Safety requirements and additional test methods (ISO 12402-6:2006)
• Effective Date: 28-Jan-2026
• Referred By: SIST EN ISO 12402-9:2006 - Personal flotation devices - Part 9: Test methods (ISO 12402-9:2006)
• Effective Date: 28-Jan-2026
• Referred By: SIST EN ISO 12402-10:2006 - Personal flotation devices - Part 10: Selection and application of personal flotation devices and other relevant devices (ISO 12402-10:2006)
• Effective Date: 28-Jan-2026
• Referred By: SIST EN ISO 12402-7:2007 - Personal flotation devices - Part 7: Materials and components - Safety requirements and test methods (ISO 12402-7:2006)
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 14221:2007 - Timber and wood-based materials in internal windows, internal door leaves and internal doorframes - Requirements and specifications
• Effective Date: 28-Jan-2026
• Referred By: SIST EN ISO 15027-1:2013 - Immersion suits - Part 1: Constant wear suits, requirements including safety (ISO 15027-1:2012)
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 438-2:2016+A1:2019 - High-pressure decorative laminates (HPL) - Sheets based on thermosetting resins (usually called laminates) - Part 2: Determination of properties
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 205:2003 - Adhesives - Wood adhesives for non-structural applications - Determination of tensile shear strength of lap joints
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 17619:2022 - Classification of wood adhesives for non-structural timber products for exterior use
• Effective Date: 28-Jan-2026
• Referred By: SIST EN ISO 12402-1:2005 - Personal flotation devices - Part 1: Lifejackets for seagoing ships - Safety requirements (ISO 12402-1:2005)
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 13659:2015 - Shutters and external venetian blinds - Performance requirements including safety
• Effective Date: 28-Jan-2026

Overview

SIST EN 204:2016 establishes the classification of thermoplastic wood adhesives for non-structural applications. Issued by the Slovenian Institute for Standardization (SIST), this European Standard defines durability classes (D1 to D4) for thermoplastic resin-based adhesives, categorizing them based on the dry and wet strength performance of bond-lines after specific conditioning procedures. The standard is essential for manufacturers and users of adhesives concerned with the consistent quality and suitability of wood adhesives for a wide range of interior construction and furniture bonding applications.

Key Topics

• Durability Classes: Adhesives are classified into four durability classes:

  • D1: For interior use where wood moisture does not exceed 15%
  • D2: For interior use with occasional short-term water or high humidity exposure (wood moisture up to 18%)
  • D3: For interior use with frequent short-term water exposure or high humidity; approved for exterior use if not directly exposed to weather
  • D4: For both interior and exterior use with frequent and prolonged water exposure, provided appropriate surface coating is applied

• Testing Criteria: Classification is based on specified test methods that measure the adhesive's bond strength under controlled dry and wet conditions. The procedures ensure a reliable and reproducible assessment of performance.

• Scope of Use: The standard applies exclusively to non-structural applications of thermoplastic adhesives, meaning it does not evaluate temperature resistance or suitability for structural or load-bearing situations.

Applications

SIST EN 204:2016 is widely used across industries where wood bonding is performed without structural requirements. Examples include:

• Furniture Manufacturing: Ensures reliable bonding of wood pieces in chairs, tables, cabinets, and shelving units.
• Interior Joinery: Suitable for building doors, windows, stairs, and panelling where non-structural performance is sufficient.
• Timber Products: Applicable to the adhesion of derived wood products (such as plywood, MDF, and particleboard).
• Design Flexibility: Allows manufacturers to select adhesives with the precise durability rating matching the product’s usage environment and exposure to moisture.

By adhering to this standard, manufacturers and users can guarantee improved bond quality, product safety, and consumer protection. The standard’s clear classification system also makes it easier for purchasing and compliance professionals to choose suitable adhesives.

Related Standards

For comprehensive quality assurance and testing in wood adhesives, the following related standards are integral:

• EN 205:2016 - Details the test methods for determining the tensile shear strength of lap joints for non-structural wood adhesives. Essential for proper adhesive classification according to SIST EN 204:2016.
• EN 923 - Provides terminologies and definitions related to adhesives, supporting accurate communication and technical understanding.
• EN 12765 - Specifies the classification of thermosetting wood adhesives for non-structural applications, complementing the classification for thermoplastic adhesives given in SIST EN 204:2016.

By combining these standards, organizations can meet European and international best practices for wood adhesives in non-structural applications, ensuring durability, safety, and regulatory compliance.

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Razvrstitev plastomernih lepil za les za nekonstrukcijsko uporaboKlassifizierung von thermoplastischen Holzklebstoffen für nicht tragende AnwendungenClassification des colles thermoplastiques pour bois à usages non structurauxClassification of thermoplastic wood adhesives for non-structural applications83.180LepilaAdhesivesICS:Ta slovenski standard je istoveten z:EN 204:2016SIST EN 204:2016en,fr,de01-oktober-2016SIST EN 204:2016SLOVENSKI
STANDARDSIST EN 204:20021DGRPHãþD

EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 204
August
t r s x ICS
z uä s z r Supersedes EN
t r vã t r r sEnglish Version
Classification of thermoplastic wood adhesives for nonæstructural applications Classification des colles thermoplastiques pour bois à usages non structuraux
Klassifizierung von thermoplastischen Holzklebstoffen für nichttragende Anwendungen This European Standard was approved by CEN on
z July
t r s xä
egulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterationä Upætoædate lists and bibliographical references concerning such national standards may be obtained on application to the CENæCENELEC Management Centre or to any CEN memberä
translation under the responsibility of a CEN member into its own language and notified to the CENæCENELEC Management Centre has the same status as the official versionsä
CEN members are the national standards bodies of Austriaá Belgiumá Bulgariaá Croatiaá Cyprusá Czech Republicá Denmarká Estoniaá Finlandá Former Yugoslav Republic of Macedoniaá Franceá Germanyá Greeceá Hungaryá Icelandá Irelandá Italyá Latviaá Lithuaniaá Luxembourgá Maltaá Netherlandsá Norwayá Polandá Portugalá Romaniaá Slovakiaá Sloveniaá Spainá Swedená Switzerlandá Turkey and United Kingdomä
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t r s x CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN
t r vã t r s x ESIST EN 204:2016
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