大众汽车标准_TL_226_汽车内饰件表面涂层规范-英文03[1].11

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 responsibility 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. Parties to a contract can only obtain this standard via the responsible procurement department.  VOLKSWAGEN AG N or m v or A nw en du ng a uf A kt ua lit ät p rü fe n / C he ck s ta nd ar d fo r c ur re nt is su e pr io r t o us ag e. Fo rm F E 4 1 - 0 1. 03 Changes The following changes have been made as compared to TL 226, 1998-11: - 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 materials 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 structure 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. Avoidance of hazardous substances according to VW 911 01. At least 5 finished parts or parts with a total surface area of 0.5 m² are required for complete testing. The properties of the finished part or the specified mechanical characteristics, respectively, shall only be impaired by the paint coating to the extent defined permissible. Th e E ng lis h tra ns la tio n is b el ie ve d to b e ac cu ra te . In c as e of d is cr ep an ci es th e G er m an v er si on s ha ll go ve rn . QU EL LE : N OL IS Page 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 coat, 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 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 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 exhibit 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 glossiness 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 coordinated 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 information 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 name), 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 samples shall be conditioned for a minimum of 30 min after completion of each individual test. Conditioning shall not be stopped before the beginning of visual testing. Testing acc. to sections 3.7 and 3.8 shall be performed after 1 h of conditioning (18 bis 28) °C. Fiber-reinforced, ball- reinforced, or foamed components shall be tested after 24 h of conditioning at (18 to 28)°C. 3.6 Paint systems See table 1. Table 1 Designation Two-pack decorative paint Two-pack soft-touch paint/ two-pack paint with special haptic appeal Effect paint Requirement 1) Appearance: (characteristic x) Laser inscription Low requirements for haptic characteristics Acoustic: (characteristic x) Appearance: (characteristic x) Laser inscription High requirements for haptic characteristics Acoustic: (characteristic x) Special appearance (special appeal, e.g. textile, pearlescent finish, metallic finish, etc.), IMD process 3), tampon printing, and heat sealing Acc. to release Acc. to release Dry film thickness S in µm 2) 15 to 35 35 to 90 Acc. to release 1) Appearance: color, gloss Haptic characteristics: subjective requirements for soft touch (haptic perception or effects) Acoustic characteristics: Reduction of creaking, squeaking, or other noises as compared to unpainted components (subjective assessment) 2) If a multi-layer structure (primer or supplementary clear coat) is required for better adhesion, laser suitability, haptic characteristics, etc., this shall be noted on the drawing. In a multi-layer structure the dry film thickness of the supplementary coating adds to the total dry film thickness. Structure acc. to drawing note acc. to section 2.1 applies to metal coatings. 3) IMD process: inmold decoration 3.7 Adhesion and brittleness in initial condition 3.7.1 Crosscut test Crosscut test according to DIN EN ISO 2409 with subsequent abrupt removal of adhesive tape. For example, type 4657 adhesive tape made by Beiersdorf Company may be used. Requirement: Gt 0-1. Page 4 TL 226: 2003-11 3.7.2 Crosscut test (St. Andrew's cross) This test shall be performed whenever a normal crosscut test cannot be performed for reasons of component geometry. Test: Crosscut and subsequent removal of adhesive tape. For the crosscut test, a knife with a sharp, thin blade shall be used, e.g. a safety knife with trapezoidal blade. Requirement: No paint particles shall remain on the adhesive tape after tape has been removed. 3.8 Scratch resistance Testing acc. to PV 3952, crosscut test: Device under test = 1 mm; distance between scratches = 2 mm; deviating load = 20 N. For complex components or ASSY components: Test with a type 318 Erichsen hardness testing device with a load of 10 N and with a contact pin acc. to DIN EN ISO 1518 (point: 0.75 mm). Requirement: There shall be no cracks down to the base material in the paint coating. 3.9 Emission behavior Test acc. to VW 501 80. Requirement for painted non-metallic materials: - Solvent-based paint systems: The emission values required for the non-painted component may be exceeded by 30 µgC/g. - Water-based paint systems: The emission values required for the non-painted component may be exceeded by 10 µgC/g. - Requirement for painted metallic materials: The painted component shall not exceed a value of 20 µgC/g. 3.10 Temperature resistance 3.10.1 Heat aging Test: Aging in mechanical circulation oven: - Components exposed to indirect sunlight: aging duration 240 h; aging temperature (90 + 2) °C. - Components exposed to direct sunlight: (e. g. defroster duct, upper area of dashboard) aging duration 500 h; aging temperature (120 + 2) °C. - Components in the transitional area of direct and indirect sunlight (e. g air outlet vents): aging duration 500 h; aging temperature (110 + 2) °C. Requirement: No change of appearance and haptic characteristics compared to as-received condition. The requirements acc. to sections 3.7 and 3.8 must also be met (note section 3.5). 3.10.2 Environmental cycle test Test: - AUDI: 96 h acc. to PV 1200. - VW: 60 cycles acc. to PV 2005 (first evaluation after 40 cycles). Requirement: No visible change compared to as-received condition. The requirements acc. to sections 3.7 and 3.8 must also be fulfilled (note section 3.5). Page 5 TL 226: 2003-11 3.11 Weather resistance 3.11.1 Moisture-condensate constant climate Test acc. to DIN 50 017 KK, test duration 240 h. Requirement: Evaluation after 30 min: No paint eruption permissible, m0g0 nach DIN 53 209. The requirements acc. to sections 3.7 and 3.8 must also be met (note section 3.5). 3.11.2 Corrosion cycle test (only for painted metallic materials) Test: 15 cycles acc. to PV 1210; within ASSY with scratch line acc. to DIN EN ISO 7253, section 8.5 and DIN EN ISO 4628-8. Requirement: no paint eruption, no cosmetic corrosion, no base-metal corrosion. Rust creep wb ≤ 2.5 mm, but never > 5 mm on any area of the part. 3.11.3 Lightfastness Test acc. to PV 1303. Number of cycles acc. to installation position (see section 4.1). Requirement: fastness grade 4 on the gray scale acc. to DIN EN 20 105-A02. Other visible defects, such as color change or cracking are not permissible. The requirements acc. to sections 3.7 and 3.8 must also be met (note section 3.5). 3.12 Aging resistance 3.12.1 Hydrolysis aging Test: 72 h at (90 ± 2) °C and ≥ 96 % relative humidity in climate chamber. Requirement: no changes in color or haptic characteristics. The requirements acc. to sections 3.7 and 3.8 must also be met (note section 3.5). 3.12.2 Sunlight simulation Test acc. to DIN 75 220; 480 h (20 cycles) acc. to D-IN1-T. Requirements: no changes in color or haptic characteristics. The requirements acc. to sections 3.7 and 3.8 must also be met (note section 3.5). 3.13 Abrasion behavior 3.13.1 General Test acc. to PV 3906 and section 4.2. 3.13.2 100 crockmeter strokes against dry cloth - Evaluation of paint-coated surface: No visible change compared to as-received condition, such as changes in paint-finish structure or traces of abrasion. - Evaluation of rubbing cloth: Bleeding of rubbing cloth acc. to fastness grade 4 on the DIN EN 20 105-A03 gray-scale. Page 6 TL 226: 2003-11 3.13.3 100 crockmeter strokes against moist cloth (water) - Evaluation of paint-coated surface: no visible change compared to as-received condition, such as changes in paint-finish structure or traces of abrasion. - Evaluation of rubbing cloth: bleeding of rubbing cloth acc. to fastness grade 4 on the DIN EN 20 105-A03 gray-scale. NOTE: Rubbing cloth can be considered "moist" if it has been immersed in the respective medium for at least 1 min and then has been placed between filter paper for a short period of time. 3.13.4 2000 crockmeter strokes against dry cloth Applies to components in heavily loaded areas (e. g. steering wheel or selector). - Evaluation of paint-coated surface: no visible change compared to as-received condition, such as changes in paint-finish structure or traces of abrasion. - Evaluation of rubbing cloth: bleeding of rubbing cloth acc. to fastness grade 4 on the DIN EN 20 105-A03 gray-scale. 3.14 Resistance to cleaning agents and synthetic sweat 3.14.1 Test fluids - 0.5 vol. % aqueous solution of surface-active agent, e.g., dishwashing liquid - Ammoniacal alcoholic cleaning liquid (e.g. window cleaner), undiluted - Gasoline (special boiling point II acc. to DIN 51 631, 80/100 °C) - Alcohol acc. to TL 521 17 - "Synthetic sweat" test media: Solution A: 0.75 vol. % acetic acid [add 1 l distilled water to 7.5 ml 100 % acetic acid]. Solution B: aqueous ammonia solution, i.e., 0.036 % by weight with 0.5 percent by weight NaCl [fill 1 g NH3 solution (25 %) to distilled water up to 690.72 g (actually 690 g) and add 3.47 g NaCl]. 3.14.2 Drop test Test: 0.1 ml drops are applied to the surface using a pipette. After allowing a period of 10 min for the medium to work in, it is allowed to dry for 30 min at 60 °C in mechanically circulated air. The surface shall be evaluated 24 h after the treatment. Requirement: No change in paint color, degree of glossiness, or paint-finish structure. Changes in degree of glossiness are to be stated only if they cannot be removed with a wet cloth. 3.14.3 Abrasion behavior Test: 10 crockmeter strokes with a rubbing cloth wet with cleaning agent. See note in section 3.13.1. Requirement: - Evaluation of paint-coated surface: no change in paint color, degree of glossiness, or paint- finish structure. Changes in degree of glossiness are to be stated only if they cannot be removed with a wet cloth. - Evaluation of rubbing cloth: bleeding of rubbing cloth acc. to fastness grade 4 on the DIN EN 20 105-A03 gray-scale. Page 7 TL 226: 2003-11 4 Notes on testing 4.1 Lightfastness Number of test exposure periods for the individual components (paint-coated materials): - Rear shelf, trim in open trunk 10 periods, gray- scale level 4 - Steering wheel, interior mirror 6 periods, gray- scale level 4 - Door trim paneling, exposed to direct sunlight, covered with film or textile material (upper edge molding) 5 periods, gray-scale level 4 - Pillar linings, exposed to direct sunlight 5 periods, gray- scale level 4 - Pillar linings, exposed to indirect sunlight 3 periods, gray- scale level 4 - Seats (upholstery cover material) 3 periods, gray- scale level 4 - Dashboard (ASSY and film) 5 periods, gray- scale evel 4 - Steering column shroud 3 periods, gray- scale level 4 - Door trim paneling, exposed to direct sunlight, covered with film or textile material 3 periods, gray- scale level 4 - Molded headlining (ASSY with decorative variants) 2 periods, gray- scale level 4 - Floor carpets, trim in closed trunk 2 periods, gray- scale level 4 - Hidden components (e.g. trim panels in closed trunk) 2 periods, gray- scale level 4 - For components exposed to indirect sunlight (e.g. components in lower door trim panel area) 3 periods, gray- scale level 4 4.2 Abrasion A light alloy cylinder with two brackets can be used instead of the mandrel installed in the crockmeter acc. to DIN EN ISO 105-X12 or in a similar testing device (see figure 1). Light alloy cylinder: Weight: 40 g Diameter: 20 mm Length: 52 mm Brackets: Weight: 11 g Thickness: 5 mm Width: 20 mm Length: 45 mm Page 8 TL 226: 2003-11 A 3-mm-thick polyester PUR foam piece (gross density: 40 ± 5 kg/m3) is glued onto the light alloy cylinder. The plastic foam layer is covered with the abrading device (or mandrel) in a way that prevents movements within the foam layer. The light alloy cylinder shall be mounted so that its contact force is identical to the contact force of the mandrel (900 g). Figure 1 5 Referenced standards1 TL 521 17 Spirit, Denatured; Lubricant Requirements PV 1200 Environmental Cycle Test; Equipment, Structural Elements, Systems, Semifinished Products PV 1210 Body and Add-on Parts; Corrosion Test PV 1303 Non-Metallic Materials; Exposure Test of Passenger Compartment Components PV 2005 Vehicle Parts; Testing of Resistance to Environmental Cycle Test PV 3906 Non-Metallic Planar Fabrics; Testing of Abrasion Behavior PV 3952 Plastic Interior Components; Testing of Scratch Resistance VW 011 55 Vehicle Supply Parts, General; Approval of First Supply and Changes VW 501 80 Components in Passenger Compartment; Emission Behavior VW 501 85 Vehicle Components; Resistance to Open Air Weathering VW 501 90 Components of the Vehicle Interior Trim; Colorimetric Evaluation VW 911 01 Vehicle Environmental Standard; Vehicle Parts, Materials, Operating Fluids; Avoidance of Hazardous Substances DIN 50 017 Atmospheres and their Technical Application; Condensation Water Test Atmospheres DIN 51 631 Mineral Spirits; Special Boiling Point Spirits; Requirements DIN 53 209 Designation of Degree of Blistering of Paint Coatings DIN 75 220 Ageing of Automotive Components in Solar Simulation Units DIN EN 20 105-A02 Textiles; Tests for Color Fastness, Part A02: Grey Scale for Assessing Change in Color DIN EN 20 105-A03 Textiles; Tests for Color Fastness, Part A03: Grey Scale for Assessing Staining 1 In this section terminological inconsistencies may occur as the original titles are used. Page 9 TL 226: 2003-11 DIN EN ISO 105-X12 Textiles; Tests for Color Fastness; Color Fastness to Rubbing DIN EN ISO 1518 Paints and Varnishes; Scratch Test DIN EN ISO 2409 Paints and Varnishes; Cross-Cut Test