NAVISTAR TMS 6506-2001 Urethane Foam Slush Molded (Revision C-1).pdf

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1、 This document is restricted and may not be sent outside International Truck and Engine Corporation or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. Ge32001 by International Truck and Engine Corp. AUGUST 2001 Page 1 of 4 INTE

2、RNATIONAL TRUCK AND ENGINE CORPORATION (TMS) TRUCK MATERIAL SPECIFICATIONNUMBER: TMS-6506 TITLE: Urethane Foam, Slush Molded REVISION: C-1 WRITTEN/EDITED BY: Materials Engineering APPROVED BY: Materials Engineering DATE ISSUED: August 2001 PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR CURRENT

3、 REVISION This specification may involve hazardous materials, equipment, and procedures. This specification does not purport to address all of the safety issues associated with its use. The user is responsible to consult appropriate safety and health practices and to determine the applicability of r

4、egulatory limits prior to use. Change Notice: Reformatted and Editorial Changes Reference: File 30-16B Keywords: Urethane Foam; Slush Molded 1.0 APPLICATION This specification covers a molded polyurethane foam with metal mounting plate (or plates) molded in place covered with a slush molded plastiso

5、l skin which has a soft, supple feel and high resiliency. It shall be used on arm rests and similar applications. 2.0 SCOPE This specification covers the general requirements, property and performance requirements, quality, control frequency, source approval and quality control, and packaging. 3.0 R

6、EFERENCE DOCUMENTS Unless otherwise specified, the latest issue of all referenced standards shall apply. The following standards, specifications and regulations are referenced in this specification. Quality System Standard QS-9000 (ISO 9001) ASTM D 645 INTERNATIONAL IQR Quality Standard ASTM D 412 I

7、NTERNATIONAL Manufacturing Standard D-13 ASTM D 1004 CFR Title 29, Part 1910 ASTM D 792 INTERNATIONAL TMS-9544 FMVSS 302 4.0 GENERAL REQUIREMENTS 4.1 Urethane Foam 4.1.1 Material Shall be capable of being molded to a molded plastisol skin. 4.1.2 Structure Shall have a homogeneous, medium-sized cell

8、structure with no large voids or hard spots which would be evident by compression of the plastisol cover. 4.2 Plastisol Skin 4.2.1 Thickness, ASTM D-645, Method A 0.76 mm (0.030 in) minimum NUMBER: TMS-6506 TITLE: Urethane Foam, Slush MoldedREVISION: C-1 This document is restricted and may not be se

9、nt outside International Truck and Engine Corporation or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. Ge32001 by International Truck and Engine Corporation. AUGUST 2001 Page 2 of 4 4.3 Finished Part The color, pattern, finis

10、h, and gloss shall match approved master samples in the TDTC Industrial Design Department. 4.4 Property And Performance Requirements 4.4.1 Urethane Foam 4.4.1.1 Density 98 kg/m (6 lb/ft) minimum 4.4.1.2 Volume Loss After exposure for seven days in a recirculating hot air oven at 69-71C (156-160F), t

11、he foam shall exhibit a 1% volume loss maximum. 4.4.1.3 Compression Set Expose for seven days in a recirculating hot air oven at 69-71C (156-160F). Compress to 50% constant deflection at 69-71C (156-160F) for 22 hours. Allow to recover at room temperature for 1/2 hour. Foam shall exhibit 25% compres

12、sion set maximum. 4.4.2 Plastisol Skin 4.4.2.1 Tensile Strength, ASTM D-412, Die C 8.3 MPa (1200 psi) minimum 4.4.2.2 Elongation, ASTM D-412, Die C 200% minimum 4.4.2.3 Tear Strength, ASTM D-1004 35.8 kg/cm (200 lbf/in) thickness minimum 4.4.2.4 Specific Gravity, ASTM D-792 1.3 maximum 4.4.2.5 Abras

13、ion Resistance Taber Abraser Equipment. CS #10 abrasion wheels, 500 gram load, 250 cycles, wear pattern and color shall be equivalent in appearance with approved master samples in TDTC. 4.4.2.6 Volatile Loss A specimen 2.5 cm x 7.6 cm (1 in x 3 in) suspended in a recirculating hot air oven at 85-91C

14、 (185-195F) for 70 hours shall exhibit a 4% maximum volatile loss. 4.4.2.7 Spewing Specimens from Volatile Loss test wiped with clean, dry, white cloth shall exhibit no evidence of spewing. 4.4.2.8 Low Temperature Resistance A specimen 2.5 cm x 7.6 cm (1 in x 3 in) bent around a 6.4 mm (1/4 in) diam

15、eter mandrel and exposed at -20C (-29F) for four hours in low temperature cabinet shall exhibit no cracks. NUMBER: TMS-6506 TITLE: Urethane Foam, Slush MoldedREVISION: C-1 This document is restricted and may not be sent outside International Truck and Engine Corporation or reproduced without permiss

16、ion from Corporate Technical Standards. Suppliers are required to assume all patent liability. Ge32001 by International Truck and Engine Corporation. AUGUST 2001 Page 3 of 4 4.4.2.9 Fade Resistance After exposure to RS sunlamp at a distance of 30 cm (12 in) for 100 hours, skin material shall not sho

17、w a color change, change in hue, change in gloss or stain in accordance with a rating of 5 from the AATCC chart for measuring transference of color. 4.4.3 Finished Assembly 4.4.3.1 Adhesion The bond strength between the foam and skin shall exceed the cohesion strength of the foam. 4.4.3.2 Indentatio

18、n Load Deflection The ILD requirement, indenter foot size, and the surface subject to test shall be stated on the applicable drawing. The test shall be performed at room temperature, and ILD values shall be determined at the end of a one minute dwell time. 4.4.3.3 Aged Indentation Load Change After

19、original indentation load evaluation, age in oven for seven days at 69-71C (156-160F). Cool to room temperature and test in designated area. There shall be a 20% maximum indentation load change from original. 4.4.3.4 Humid Aged Indentation Load Loss After original indentation load evaluation, deflec

20、t 25% in the designated area and subject to saturated steam at 103 kPa (15 psig) for five hours. Remove from steam and oven dry for three hours at 69-71C (156-160F). Allow part to return to room temperature and measure indentation load deflection. Part shall exhibit a 30% maximum indentation load ch

21、ange from original. 4.4.3.5 Flammability Material and parts must conform to and be certified by the supplier to meet the requirements of the latest issue of the Federal Motor Vehicle Safety Standard No. 302 - Flammability of Interior Materials, and all requirements of TMS-9544. 5.0 QUALITY The finis

22、hed part shall be free from offensive odor. Residual parting agent on the surface of the finished part shall in no way contribute to contamination, fading, or discoloration of the plastisol skin surface. 5.1 Quality Control Frequency Suppliers shall perform the production quality control program in

23、accordance with Table 1. Records shall be maintained describing production reliability and finished part quality and uniformity. 6.0 SOURCE APPROVAL AND QUALITY CONTROL 6.1 Supplier Requirements Suppliers must conform to the requirements of the INTERNATIONAL IQR Quality Standard which includes confo

24、rmance to the QS-9000 (ISO 9001) Quality System Standard. A mutually acceptable Quality Control Plan as described therein is required for source approval to the requirements of this specification. NUMBER: TMS-6506 TITLE: Urethane Foam, Slush MoldedREVISION: C-1 This document is restricted and may no

25、t be sent outside International Truck and Engine Corporation or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. Ge32001 by International Truck and Engine Corporation. AUGUST 2001 Page 4 of 4 6.2 Approval Parts supplied against

26、contracts or purchase orders citing this specification shall be equivalent in all respects to those samples, which were approved by the purchaser. No changes in formulation or processing practices are permitted without approval. In the event that changes in material, properties, processing practices

27、, construction, color, or labeling of the product are required, the supplier shall notify Materials Engineering at TDTC and International Purchasing and Supplier Development of the proposed change(s). Test data indicating conformance to all requirements of this specification, test samples, and new o

28、r amended or updated Material Safety Data Sheet(s) (MSDS), in accordance with CFR Title 29, Part 1910 shall be submitted with the request for change. 6.3 Process Control The supplier shall either perform and report results of tests on specific lots of parts produced or provide statistical evidence o

29、f the lot having been produced in a state of statistical control and with a process capable of providing all required properties. The part supplier and the plant metallurgist and/or the quality control manager of the using International plant may determine testing and reporting requirements on speci

30、fic products. 7.0 SHIPPING, PACKING AND IDENTIFICATION Parts shall be packaged in suitable containers to afford protection against damage during shipment and storage, and shall meet applicable requirements of Manufacturing Standard D-13. TABLE I Quality Control Frequency Characteristics Daily Uretha

31、ne Foam - Structure Plastisol Skin - Thickness Finished Assembly - Indentation Load Weekly or Batch Urethane Foam - Density, Volume Loss, Compression Set Plastisol Skin - Tensile Strength, Elongation, Tear Strength Finished Assembly - Aged Indentation Load, Adhesion, Humid Indentation Load 30 Days Plastisol Skin - Specific Gravity, Volatile Loss 90 Days Plastisol Skin - Spewing, Low Temperature Resistance, Fade Resistance, Abrasion