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 Corporation. AUGUST 2001 Page 1 of
2、 2 INTERNATIONAL TRUCK AND ENGINE CORPORATION (TMS) TRUCK MATERIAL SPECIFICATION NUMBER: TMS-6510 TITLE: Urethane Foam, Low Permeability REVISION: B-1 WRITTEN/EDITED BY: Materials Engineering APPROVED BY: Materials Engineering DATE ISSUED: August 2001 PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED
3、 FOR CURRENT 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 applic
4、ability of regulatory limits prior to use. Change Notice: Reformatted and Editorial Changes Reference: File 30-1 Keywords: Urethane Foam, Foam Sealer 1.0 APPLICATION This specification covers a flexible semi-closed cell urethane foam suitable for use as a seal in automotive heater-air conditioning s
5、ystems where restriction to air flow is desired. 2.0 SCOPE This specification covers the general requirements, property and performance requirements, and source approval and quality control. 3.0 REFERENCE DOCUMENTS Unless otherwise specified, the latest issue of all referenced standards shall apply.
6、 The following standards, specifications and regulations are referenced in this specification. Quality System Standard QS-9000 (ISO 9001) CFR Title 29, Part 1910 INTERNATIONAL IQR Quality Standard ASTM D 1564 INTERNATIONAL Manufacturing Standard D-13 4.0 GENERAL REQUIRMENTS 4.1 Material Shall be a p
7、olyurethane of essentially closed cell construction with no cracks, craters or solid areas. Color shall be charcoal gray unless otherwise specified. 4.2 Dimensional Tolerances Thickness, width and length tolerances shall be stated on the part drawing. 4.3 Property and Performance Requirements The fo
8、llowing properties shall be determined by the methods indicated in ASTM D-1564, unless otherwise specified. 4.3.1 Density Shall be 28.8 kg/m3 (1.8 lbm/ft3) minimum. NUMBER: TMS-6510 TITLE: Urethane Foam, Low PermeabilityREVISION: B-1 This document is restricted and may not be sent outside Internatio
9、nal 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 2 4.3.2 Tensile Strength (Die A) Shall be 69 kPa (10 psi) minimum.
10、 4.3.3 Elongtation Shall be 125% minumum. 4.3.4 Tear Resistance Shall be 1.75 N/cm (1 lbf/in) thickness, minimum. 4.3.5 Compression Set (Method B) Shall be 20% maximum after 22 hours at 70oC (158F) with 75% constant deflection. 4.3.6 Water Absorption Samples 25 x 25 x 150 mm (1 x 1 x 6 in) shall be
11、weighed, compressed 75%, and then submerged in a tank under 125 mm (5 in) of water for 24 hours. After the 24 hours immersion at 22 + 20oC (72 5F) remove and allow to drain horizontally on 25 x 150mm (1x6in) surface for 5 minutes on a hardware cloth. Reweigh and calculate average absorption for thre
12、e samples.5.0 QUALITY All product supplied shall be clean and free from dirt, oils, sharp edges, or defects harmful to product performance. 6.0 SOURCE APPROVAL AND QUALITY CONTROL 6.1 Supplier Requirements Suppliers must conform to the requirements of the International IQR Quality Standard which inc
13、ludes conformance 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. 6.2 Approval Parts supplied against contracts or purchase orders citing this specification s
14、hall 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, construction, color, or labeling of the product are req
15、uired, the supplier shall notify 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 or amended or updated Material Safety Data Sheet(s) (MSDS), in accordance with CFR
16、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 of 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 specific products.
