EN 12943:1999
(Main)Filler materials for thermoplastics - Scope, designation, requirements, tests
General Information
- Abstract
Welding fillers are frequently used to join plastic components by hot gaswelding. The service ability of the finished part depends largely on the suitability of the welding fillers.
- Status
- Published
- Publication Date
- 16-Nov-1999
- Withdrawal Date
- 30-May-2000
- Technical Committee
- CEN/TC 249 - Plastics
- Drafting Committee
- CEN/TC 249/SC 5 - Welding of thermoplastics materials
- Current Stage
- 9093 - Decision to confirm - Review Enquiry
- Start Date
- 26-Aug-2023
- Completion Date
- 17-Sep-2026
Overview
EN 12943:1999 - Filler materials for thermoplastics: Scope, designation, requirements, tests is a CEN standard that defines how welding filler materials for thermoplastic components are specified, identified and assessed. The standard covers filler products used in hot gas welding and similar thermoplastic joining processes, and sets out general requirements and test principles to ensure the serviceability of welded parts.
Key Topics and Requirements
EN 12943 addresses the essential elements needed to select and verify thermoplastic welding consumables. Key technical topics include:
- Scope and applicability - types of thermoplastic filler materials and typical welding processes covered (e.g., hot gas welding).
- Designation and marking - how fillers should be named, coded and labelled so compatibility with base materials is clear.
- Material requirements - considerations for chemical and physical compatibility between filler and parent thermoplastic to achieve satisfactory joint performance.
- Quality and dimensional criteria - expectations for product form (rod, wire, profile), dimensional tolerances and appearance.
- Testing and acceptance - described test categories and performance checks (mechanical performance, thermal behaviour, visual inspection) used to validate filler suitability for intended service.
- Documentation and traceability - information suppliers should provide, including batch identification and relevant material data.
Note: EN 12943 specifies the framework and types of requirements/tests; users should consult the full standard or national adoption for detailed test methods and acceptance levels.
Practical Applications
This standard supports reliable thermoplastic welding across multiple industries by ensuring filler materials are appropriate and tested. Typical applications include:
- Joining thermoplastic piping and fittings (water, chemical and HVAC systems)
- Fabrication and repair of plastic tanks, liners and containers
- Plastic components in automotive, marine and construction industries
- Manufacturing and assembly of thermoplastic parts in industrial production
Who Uses This Standard
- Manufacturers of thermoplastic welding filler materials and consumables
- Fabricators and welding contractors who perform hot gas welding
- Quality engineers and R&D teams validating joint performance
- Test laboratories performing material qualification and acceptance testing
- Standards bodies and procurement professionals specifying compliant products
Related Standards
EN 12943 is part of a broader suite of standards covering thermoplastic materials, welding procedures and test methods. Users should also consult national adoptions (e.g., SIST EN 12943) and relevant standards for plastics identification, mechanical testing and welding procedure qualification.
Keywords: EN 12943:1999, filler materials for thermoplastics, thermoplastic welding consumables, welding fillers, hot gas welding, designation, requirements, tests, CEN standard.
Relations
- Effective Date
- 25-Aug-2026
- Effective Date
- 25-Aug-2026
- Refers
ISO 1874-1:1992 - Plastics — Polyamide (PA) moulding and extrusion materials — Part 1: Designation - Effective Date
- 25-Aug-2026
- Effective Date
- 25-Aug-2026
- Effective Date
- 25-Aug-2026
- Effective Date
- 25-Aug-2026
- Effective Date
- 25-Aug-2026
- Effective Date
- 11-Feb-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Refers
EN 12815:2001/AC:2006 - Residential cookers fired by solid fuel - Requirements and test methods - Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
Get Certified
Connect with accredited certification bodies for this standard
DVS-ZERT GmbH
German welding certification society.
CARES (UK Certification Authority for Reinforcing Steels)
UK certification for reinforcing steels and construction.
EWF/IIW (European/International Welding Federation)
International welding personnel certification.
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Frequently Asked Questions
EN 12943:1999 is a standard published by the European Committee for Standardization (CEN). Its full title is "Filler materials for thermoplastics - Scope, designation, requirements, tests". This standard covers: Welding fillers are frequently used to join plastic components by hot gaswelding. The service ability of the finished part depends largely on the suitability of the welding fillers.
Welding fillers are frequently used to join plastic components by hot gaswelding. The service ability of the finished part depends largely on the suitability of the welding fillers.
EN 12943:1999 is classified under the following ICS (International Classification for Standards) categories: 25.160.20 - Welding consumables. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 12943:1999 has the following relationships with other standards: It is inter standard links to ISO 1872-1:1993, ISO 1163-1:1995, ISO 1874-1:1992, ISO 2898-1:1996, ISO 8257-1:1998, ISO 7391-1:1996, ISO 2580-1:1997, ISO 1043-1:1997, EN 10204:2004, EN 14067-6:2010, EN ISO 291:1997, ENV 1090-3:1997, EN 12815:2001/AC:2006, EN ISO 19069-1:2015, EN ISO 11608-1:2015. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 12943:1999 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Schweißzusätze für thermoplastische Kunststoffe - Anwendungsbereich, Kennzeichnung, Anforderung, PrüfungProduits d'apport pour thermoplastiques - Domaine d'application, désignation, exigences, essaisFiller materials for thermoplastics - Scope, designation, requirements, tests83.080.20PlastomeriT
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