NAVISTAR MPAPS K-6917-2016 Sealant Tape Extruded.pdf
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1、 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2016 by Navistar, Inc. JUNE 2016 Page 1 of 6 NAVISTAR, INC. Material, Parts, and Process Specifications
2、(MPAPS) NUMBER: MPAPS K-6917 Former Designation: TMS-6917 TITLE: Sealant Tape, Extruded CURRENT REV No.: 1606 DATE: June 2016 WRITTEN/EDITED BY: S. Brailey APPROVED BY: R. Goluch SUPERSEDES: Rev. 0912 December 2002 PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR CURRENT REVISION This specificat
3、ion 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 regulatory limits prior to
4、 use. 1.0 APPLICATION This specification outlines the requirements for two types of hand applied extruded sealant tape. Type I is a non-staining butyl rubber material and Type II is an asphaltic material, which is limited to uses where the non-staining property is not required. Both types are very t
5、acky, fibrous mastics with excellent elongation properties and may be used in extruded shapes to bridge and seal openings in cab construction or provide sound deadening in cab doors. 2.0 SCOPE This specification covers the general requirements, property and performance requirements, quality, source
6、approval and quality control. 2.1 Restricted Chemical Substances Effective January 1, 2007, all product supplied to the requirements of this specification must comply with the requirements of the MPAPS B-50 specification. 3.0 REFERENCE DOCUMENTS Unless otherwise specified, the latest issue of all re
7、ferenced standards shall apply. The following Specifications, Standards, and Regulations are referenced in this specification. Quality System Standard ISO 9001 or TS-16949 NAVISTAR MPAPS GT-24 ASTM B117 CFR Title 29, Part 1910 NAVISTAR MPAPS B-6815 ASTM D5 NAVISTAR Manufacturing Std. MS-D-13 NAVISTA
8、R MPAPS P-9543 ASTM D217 NAVISTAR Engineering Design Std A-16 SAE J243 ASTM G154 NAVISTAR MPAPS B-50 SAE J369 NAVISTAR MPAPS G-5 SAE J1918 4.0 REQUIREMENTS 4.1 Description Materials meeting the requirements of this specification shall produce a tough, rubbery seal that will retain both adhesion and
9、flexibility indefinitely. They may be extruded on a suitable polyethylene film for ease of application, and can be supplied with or without a suitable release paper. The bonded adhesive shall exceed the cohesive strength of the sealant. Type I materials, except for IC, shall be considered interchang
10、eable unless otherwise indicated on the engineering drawing. NUMBER: MPAPS K-6917 TITLE: Sealant Tape, Extruded REVISION: 1606 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume
11、all patent liability. 2016 by Navistar, Inc. JUNE 2016 Page 2 of 6 4.2 Composition 4.2.1 Type I, IA, IB and IC: Shall be compounded of polymerized butyl elastomers, resins, inert pigment and fibers, and shall be free of asbestos. 4.2.2 Type II and IIA: Shall be compounded of polymerized butyl elasto
12、mers, resins, inert pigments, asphaltic material and fibers, and shall be free of asbestos. 4.3 Property and Performance Requirements The following material requirements and property and performance requirements shall be applicable to both Types I and II unless otherwise specified: 4.3.1 Solids 4.3.
13、1.1 Method: SAE J243 Procedure ADS-7 4.3.1.2 Required: 99% minimum. 4.3.2 Density 4.3.2.1 Method: Water displacement or equivalent. 4.3.2.2 Required: Types I = 1.20-1.32 kg/l (10-11 lbm/gal); Type IA, IC, II and IIA = 1.67-1.80 kg/l (14.0-15.0 lbm/gal) 4.3.3 Penetration 4.3.3.1 Method: Types I = AST
14、M D 5 Penetration Method, 100 g T.M.L., 5 Seconds, 25 1C Type IA, IB, II = ASTM D 217 Penetration Method, 300g T.M.L. Type IIA = ASTM D 5 Penetration Method, 150g T.M.L. 4.3.3.2 Required: Types I 9.5 - 12.5 mm Type II 10.5 - 11.5 mm Type IA 8.5 - 10.5 mm Type II w/ Plio 10.5 - 11.5 mm Type IB 7.0 -
15、9.0 mm Type II w/String 9.5 - 11.5 mm Type IIA 12.5 - 13.5 mm 4.3.4 Odor It is the suppliers responsibility to insure that the finished product meets all safety standards and that its odor is deemed to be non-objectionable. 4.3.5 Application The product shall adhere to metal, paint, glass, wood or p
16、lastic surfaces at temperatures between 16-32C (60-90F). 4.3.6. High Temperature Adhesion 4.3.6.1 Method: Mount a 20 cm (8 in) long strip of tape on a 10 x 30 cm (4 x 12 in) steel or aluminum panel, and roll to insure total contact. After one hour, place in a recirculating air oven, in a vertical po
17、sition, and heat for one hour at 204 C (400 F). 4.3.6.2 Required: No visible loss of adhesion or slumping or running of the sample. NUMBER: MPAPS K-6917 TITLE: Sealant Tape, Extruded REVISION: 1606 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permissio
18、n from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2016 by Navistar, Inc. JUNE 2016 Page 3 of 6 4.3.7 Low Temperature Adhesion 4.3.7.1 Method: Apply to typical steel or aluminum test panel a strip of the subject material and roll to assure total contact. Sub
19、ject test specimen to a temperature of -29 1 C (-20 2 F) for two hours and while in this test atmosphere, bend 180 degrees over a 75 mm (3 in) diameter mandrel. 4.3.7.2 Required: Shall exhibit no cracking nor visible loss of adhesion to the base panel. 4.3.8 Heat Aged 4.3.8.1 Method: Condition sampl
20、e seven days at 70 C (158 F). Perform viscosity test. 4.3.8.2 Required: Shall be 15% of initial. 4.3.9 Flexibility/Stability 4.3.9.1 Method: Apply a 40 x 170 x 3 mm sample on a 75 x 25 mm sheet of aluminum foil using light pressure. Condition assembly at -30 + 1 C (-22 + 2 F) for 16 hours, then bend
21、 180 degrees over a 25 mm (1 in) diameter mandrel. Repeat on a sample aged for 24 hours at 100 + 2 C (212 + 3 F). 4.3.9.2 Required: Sealant shall show no visible signs of cracking. 4.3.10 Staining: Type I, Type IA and IC Only 4.3.10.1 Method A: Apply sealant on a typical steel or aluminum test panel
22、 and spray paint per MPAPS G-5, Grade-19 (white) and cure paint for 30 minutes at 121 C (250 F). Subject panel to 250 hours of simulated weathering per ASTM G154, using the following repetitive cycle: 8 hours UV (UVB-FS40 at 60 C (140 F) 4 hours condensing humidity at 50 C (122 F) 4.3.10.2 Required:
23、 Sealant shall cause no discoloration to the painted surface and shall compare favorably with the painted adjoining metal surface where no sealant has been applied. 4.3.11 Sag Resistance 4.3.11.1 Method: Apply a 50 x 8 mm sample along the centerline of three panels. Scribe panels to mark the initial
24、 material location. Condition the panels with the material in the below orientations for 1 hour at 23 C (73 F). Determine the sag by measuring the material movement below the scribe mark. 4.3.11.2 Required: Horizontal = 3mm max Vertical = 3mm max Inverted = No loss of material 4.3.12 Corrosion Resis
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