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1、Klass.-Nr./Class. No. 50 24 1 November 2003 Paint Coating on Materials used in the Vehicle Interior Trim Requirements TL 226 Konzernnorm Descriptors: paint, paint coating, painting, paintwork, interior trim, tampon printing, heat seal, heat sealing Page 1 of 9 Fachverantwortung/Technical responsibil
2、ity Normung/Standards (EZTD, 1733) K-QS-31 Kassner Tel.: -76941 Frau Dr. Schramm Wiesner Tel.: +49-5361-9-29064 Sobanski Confidential. All rights reserved. No part of this document may be transmitted or reproduced without the prior written permission of a Standards Department of the Volkswagen Group
3、. Parties to a contract can only obtain this standard via the responsible procurement department. VOLKSWAGEN AG Norm vor Anwendung auf Aktualitt prfen / Check standard for current issue prior to usage. Form FE 41 - 01.03 Changes The following changes have been made as compared to TL 226, 1998-11: -
4、Paint systems updated - Referenced standards updated - Standard completely revised Previous issues 1981-02; 1986-12; 1995-01; 1995-10; 1998-11 1 Scope This TL standard applies to paint coatings, tampon printing, and heat sealing. Moreover, it applies to metallic and non-metallic inmold-coated materi
5、als which are used in the vehicle interior. 2 Designation 2.1 Example of designation 2.1.1 Coating for plastic materials Two-pack soft-touch paint acc. to TL 226, S40 5 Two-pack paint with special haptic appeal acc. to TL 226, S40 5 2.1.2 Coating for metals Powder top coat acc. to TL 226, layer stru
6、cture acc. to TL 256 3 Requirements A special note shall be given on the drawing if the following requirements for specific components or partial components do not apply completely or not at all. 3.1 General requirements Approval of first supply and changes according to Volkswagen standard VW 011 55
7、. Avoidance of hazardous substances according to VW 911 01. At least 5 finished parts or parts with a total surface area of 0.5 m are required for complete testing. The properties of the finished part or the specified mechanical characteristics, respectively, shall only be impaired by the paint coat
8、ing to the extent defined permissible. The English translation is believed to be accurate. In case of discrepancies the German version shall govern. QUELLE: NOLISPage 2 TL 226: 2003-11 The coating/paint, as well as potential re-painting shall adhere firmly to the substrate or to the original paint c
9、oat, respectively. Areas of re-painting shall be identified. The supplier shall provide the following information for all parts under test: 1. Specification of substrate material (manufacturer designation and VDA designation) 2. Color 3. Pretreatment a) Cleaning, e.g. using isopropanol b) Activation
10、 of the surface, e.g. by exposure to flame c) Other surface treatments, e.g. zinc phosphating 4. Paint structure (definition of all parameters) E. g. two-pack soft-touch paint or paint with special haptic appeal Primer XYZ, from XYZ Co., batch XYZ Base coat: XYZ, from XYZ Co., batch XYZ Mixing ratio
11、 10:x, mixing ratio shall comply with (system-) release of paint With hardener XYZ, from XYZ Co., batch XYZ Paint-shop company, auditing certificate for paint-shop company 5. Type of painting apparatus 6. Painting location 7. Painting date 3.2 Appearance and haptic characteristics Parts shall exhibi
12、t a uniform appearance on their entire surface; they shall conform to the drawing requirements and to the released sample for haptic characteristics, gloss, and color. Pores, cracks, runs, and other flaws that adversely affect the specified appearance are not permissible. Color and degree of glossin
13、ess are documented in the first-sample test report acc. to VW 501 90. 3.3 Open-air weathering Open-air weathering acc. to VW 501 85. The supplier is obliged to remove the causes for complaints occurring during this test and to improve the paint system. 3.4 Paint process The paint process shall be co
14、ordinated between paint shop and paint manufacturer. Both parties will confirm the process in the first-sample test report, meaning that both are responsible for fulfilling the specified requirements. The distribution of responsibilities is as follows: - The paint manufacturer shall provide informat
15、ion on the fulfillment of requirements specified in the applicable TL standards. Moreover, the paint manufacturer shall make processing guidelines available and provide support regarding the paint method applied. - The paint shop shall provide information on the substrate (plastic type and trade nam
16、e), check the requirements as early as possible (also applies to pre-production series parts: at least for liability), confirm compliance with the processing guidelines of the paint manufacturer, and ask for support regarding the applied paint method. Page 3 TL 226: 2003-11 3.5 Conditioning All samples delivered for testing must be pre-conditioned: Seven days at room temperature with narrow air temperature range (18 to 28) C or 48 h at 60 C. The
