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. 2014 by Navistar, Inc. APRIL 2014 Page 1 of 5 NAVISTAR, INC. Material, Parts, and Process Specifications
2、 (MPAPS) NUMBER: MPAPS K15-5012 Former Designation: EMS D15-5012 TITLE: Silicone Rubber RTV CURRENT REV No.: 1404 DATE: April 2014 WRITTEN/EDITED BY: Materials Engineering APPROVED BY: Materials Engineering SUPERSEDES: EMS D15-5012 - April 2000 PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR CU
3、RRENT 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
4、 of regulatory limits prior to use. Change Notice: Change to new MPAPS format; revised Type 3 material properties; editorial changes. 1.0 APPLICATION This specification covers silicone rubber RTV material intended for use with engine lubricants. This material is not recommended for sealing ethylene
5、glycol and water applications. The material recommended operating range is - 54C (-65F) to 204C (400F). 2.0 SCOPE This specification covers requirements for a room temperature vulcanizing (RTV), non-corrosive, one part silicone rubber for use with as “formed-in-place gaskets” (FIPG) in engines manuf
6、actured by Navistar. 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 referenced
7、standards shall apply. The following Specifications, Standards, and Regulations are referenced in this specification. Quality System Standard ISO 9001 or TS-16949 CFR Title 29, Part 1910 ASTM D792 ASTM D2240 NAVISTAR Manufacturing Std. MS-D-13 ASTM D412 NAVISTAR Engineering Design Std A-16 ASTM D471
8、 NAVISTAR MPAPS B-50 4.0 MATERIAL REQUIREMENTS 4.1 Type I Material 4.1.1 Mechanical and Physical Properties NUMBER: MPAPS K15-5012 TITLE: Silicone Rubber RTV REVISION: 1404 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technica
9、l Standards. Suppliers are required to assume all patent liability. 2014 by Navistar, Inc. APRIL 2014 Page 2 of 5 4.1.1.1 Uncured Properties Properties Spec. Test Method (latest issue) Color Lt. Gray Cure System Amine Extrusion rate, g/minute 175 3.175mm (.125”) nozzle 620 kPa (90 psi) Skin over tim
10、e, minutes 25C (77 F) 50% R.H. 15 Cure through time, hours 24 3.175mm (.125”) dia. bead 25 C (77 F) and 50% R.H. 4.1.1.2 Cured Properties Properties Spec. Test Method (latest issue) Specific gravity 25 C (77 F) 1.36 .04 ASTM D792 Durometer hardness, Shore A 10 - 25 ASTM D2240 Tensile strength, min.
11、1240 kPa (180 psi) ASTM D412 Die C Elongation, % min. 600 ASTM D412 Die C Rupture, (cohesive) 620.5 kPa (90 psi) 25 sec min. to rupture Lap shear adhesion CRS coupon, clean 25.4mm (1”) X 25.4mm (1”) overlap with 1.524mm (.06”) bondline, 14 day cure room temp. and 50% 20% R.H. 1.524mm (1”) per minute
12、 with an instron or equiv. Oil Immersion Change in hardness, points 5 ASTM D471, No. 1 oil 70h 150 C (302 F) Change in tensile strength, max. % - 20 Change in ultimate elongation, max. % - 25 Change in volume, % 10 4.2 Type II Material 4.2.1 Mechanical and Physical Properties 4.2.1.1 Uncured Propert
13、ies Properties Spec. Test Method (latest issue) Color Gray Cure System Alkoxy Extrusion rate, g/minute 48 3.175mm (.125”) nozzle 620 kPa (90 psi) Skin over time, minutes 25 C, 50% R.H. 5 Cure through time, hours 24 6.35mm (.25”) dia. bead 25 C (77 F) and 50% R.H. Green strength To be developed NUMBE
14、R: MPAPS K15-5012 TITLE: Silicone Rubber RTV REVISION: 1404 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. 2014 by Navistar, Inc. APRIL 2014 Page 3 of 5
15、 4.2.1.2 Cured Properties Properties Spec. Test Method (latest issue) Specific gravity 25 C (77 F) 1.32 .04 ASTM D792 Durometer hardness, Shore A 50 ASTM D2240 Tensile strength, min. 2758 kPa (400 psi) ASTM D412 Die C Elongation, % min. 415 ASTM D412 Die C Rupture, (cohesive) 689.5 kPa (250 psi) Lap
16、 shear adhesion CRS coupon, clean 25.4mm (1”) X 25.4mm (1”) overlap with 1.524mm (.06”) bondline, 14 day cure room temp. and 50% 20% R.H. 1.524mm (1”) per minute with an instron or equiv. Oil Immersion Change in hardness, points - 25 ASTM D471, Calumet 903 oil, points 70h 150 C (302 F) Change in ten
17、sile strength, max. % - 30 Change in ultimate elongation, max. % - 40 Change in volume, % + 48 4.3 Type III Material 4.3.1 Mechanical and Physical Properties 4.3.1.1 Uncured Properties Properties Spec. Test Method (latest issue) Color Lt. Gray Cure System Amine Extrusion rate, g/minute 230 3.175mm (
18、.125”) nozzle 620 kPa (90 psi) Skin over time, minutes 23 C (73 F) 50% R.H. 6 Tack-free time, minutes 20 3.175mm (.125”) dia. bead 23 C (73 F) and 50% R.H. NUMBER: MPAPS K15-5012 TITLE: Silicone Rubber RTV REVISION: 1404 This document is restricted and may not be sent outside Navistar, Inc. or repro
19、duced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2014 by Navistar, Inc. APRIL 2014 Page 4 of 5 4.3.1.2 Cured Properties Properties Spec. Test Method (latest issue) Specific gravity 25 C (77 F) 1.36 .04 ASTM D792 Durometer hardness, S
20、hore A 10 - 25 ASTM D2240 Tensile strength, min. 1550 kPa (225 psi) ASTM D412 Die C Elongation, % min. 800 ASTM D412 Die C Rupture, (cohesive) 689 kPa (100 psi) 25 sec min. to rupture Lap shear adhesion CRS coupon, clean 25.4mm (1”) X 25.4mm (1”) overlap with 1.524mm (.06”) bondline, 14 day cure roo
21、m temp. and 50% 20% R.H. 1.524mm (1”) per minute with an instron or equiv. Oil Immersion Change in hardness, points 5 ASTM D471, No. 1 oil 70h 150 C (302 F) Change in tensile strength, max. % - 20 Change in ultimate elongation, max. % - 25 Change in volume, % 10 5.0 QUALITY The material shall be uni
22、form in consistency and color and free from foreign materials. 6.0 QUALIFICATION Engineering qualification of sources is required in advance of production shipments. Suppliers shall submit samples for approval of finish, luster, color and appearance to the Navistar Industrial Design Group. Samples s
23、hall be accompanied by test data certifying that all requirements of the specification have been met. Upon approval, styling master samples denoting the minimum level of acceptable appearance quality shall be developed and retained by the supplier and the quality department of each using NAVISTAR fa
24、cility. 6.1 Quality Control Plan A Quality Control Plan for products supplied to the requirements of this specification will be established by mutual agreement between NAVISTAR and the supplier. Unless specific exception is noted, the following characteristics, where applicable*, shall be included i
25、n the plan as features for management by statistical process control.* * Other characteristics for inclusion in the control plan may be specified on the engineering drawing and/or purchase order. * See NAVISTAR Engineering Design Standard A-16 NUMBER: MPAPS K15-5012 TITLE: Silicone Rubber RTV REVISI
26、ON: 1404 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. 2014 by Navistar, Inc. APRIL 2014 Page 5 of 5 7.0 SOURCE APPROVAL AND QUALITY CONTROL 7.1 Suppli
27、er Requirements All suppliers to NAVISTAR are required to be registered to ISO 9001 Quality System Requirements. NAVISTAR will also accept TS-16949 registration as long as the supplier can also fulfill all AIAG PPAP (Production Part Approval Process) documentation and approval requirements. Supplier
28、s must maintain their certification with an accredited registrar and must furnish copies of registration certificates to their Corporate Buyer upon request. 7.2 Approval Parts supplied against contracts or purchase orders citing this specification shall be equivalent in all respects to those samples
29、 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 required, the supplier shall notify NAVISTAR Materials
30、 Engineering and 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 Title 29, Part 1910 shall be submitted
31、with the request for change. 7.3 Process Control The supplier shall either perform and report results of tests on specific lots of parts produced using ISO 9001 or TS-16949 guidelines, or provide statistical evidence of the lot having been produced in a state of statistical control and with a proces
32、s capable of providing all required properties. The part supplier and the quality control manager of the using NAVISTAR plant may determine testing and reporting requirements on specific products. 8.0 SHIPPING AND HANDLING Shipping and identification shall be in accordance with NAVISTAR Manufacturin
33、g Standard MS-D-13. Parts shall be packaged so as to avoid any damage in shipment detrimental to the appearance of the part. 9.0 DESIGNATION ON DRAWINGS Example of note to use on drawings: SILICONE RUBBER RTV, Type I, MPAPS K15-5012 10.0 TECHNICAL INFORMATION For further information related to the t
34、echnical content of this specification, contact: Suppliers may purchase controlled copies of this specification by contacting: Materials Engineering and Technology Dept. 10400 W. North Avenue Melrose Park, IL 60160 E-mail: MaterialsEngineeringN IHS Global Inc. 15 Inverness Way East Englewood CO 80112-5776 Phone: 1-800-854-7179 E-mail: AutomotiveIHS.com Website: http:/
