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    FORD WSS-M96D25-A3-2006 HOSE AIR CONDITIONING REFRIGERANT (NYLON 6 BARRIER) RESISTANT MEDIUM PRESSURE TO BE USED WITH FORD WSS-M99P1111-A 《耐空调制冷剂(尼龙6隔层)的中压软管 与标准FORD WSS-M99P111.pdf

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    FORD WSS-M96D25-A3-2006 HOSE AIR CONDITIONING REFRIGERANT (NYLON 6 BARRIER) RESISTANT MEDIUM PRESSURE TO BE USED WITH FORD WSS-M99P1111-A 《耐空调制冷剂(尼龙6隔层)的中压软管 与标准FORD WSS-M99P111.pdf

    1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2006 09 20 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.10, 3.11 & 4 2000 04 25 Revised Revised 3.5.4 L. Rumao 1995 12 12 Activated N. Kurtycz Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 1 of 4 HOSE, A

    2、IR CONDITIONING REFRIGERANT (NYLON 6 WSS-M96D25-A3 BARRIER) RESISTANT, MEDIUM PRESSURE 1. SCOPE The material defined by this specification is a polychloroprene (CR) rubber/nylon/elastomeric layer (nitrile, polychloroprene) inner tube, high tensile polyester reinforcement, butyl rubber cover, medium

    3、pressure refrigerant hose. 2. APPLICATION This specification was originally released for hoses designed for use with refrigerant R-134a and refrigerant oils that must be serviceable over an ambient temperature range of -40 C to 125 C, and that must exhibit good long term transport/minimal fluid chan

    4、ge properties at an operating temperature of -40 C to 125 C and a maximum operating pressure of 3.4 MPa. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-

    5、A). 3.4 CONSTRUCTION The hose shall consist of a seamless smooth bore inner tube of a layered polychloroprene rubber/nylon/elastomeric layer (nitrile, neoprene), reinforced with a high tensile ply or plies of polyester fabric bonded to the inner tube, and a butyl rubber weather resistant outer cover

    6、. The outer cover shall be perforated (pin pricked). 3.5 MOLDED TEST SPECIMEN/TEST SLABS 3.5.1 Preparation of Test Specimens - Nylon Core Unless otherwise specified all tests shall be carried out on extrusion molded specimens. The specimens shall be prepared according to ASTM D 1879. The test specim

    7、ens have the following dimensions: 150 x 12.7 mm x 3.2 +/- 0.2 mm (tensile bar) and 120 x 12.7 x 3.2 +/- 0.2 mm (flex bar). No annealing allowed. 3.5.2 Preparation of Test Specimens - Butyl and Nitrile Rubber Whenever possible, all test specimens shall be die-cut from the finished parts. When not fe

    8、asible, specimens cut from molded test slabs manufactured from the same material and with equivalent cure to molded parts are recommended. The test slabs shall have the following dimensions: 150 x 150 mm, min x 2.0 +/- 0.2 mm. ENGINEERING MATERIAL SPECIFICATION WSS-M96D25-A3 Printed copies are uncon

    9、trolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 4 Polychloro- Butyl Nylon Core prene Rubber Barrier Inner Core Cover 3.5.3 Density, g/cm3 1.09 - 1.19 1.40 - 1.55 1.05 - 1.30 (ISO 1183, Method A) 3.5.4 Hardness, 80 - 90 60 - 80 Durometer A (ISO 868/ASTM D 2240, instantaneous plied-up

    10、specimen. Hand held durometers shall not be used.) 3.5.5 Tensile Strength, 17.2 9.0 6.2 MPa, min (ISO 37/ASTM D 412, Die C) 3.5.6 Elongation, % 200 150 125 (ISO 37/ASTM D 412, Die C) 3.5.7 Melt Temperature, 200 N/A N/A C, min (ISO 3146, Method C, 10 C/min heating rate) 3.5.8 Flexural Modulus, 517 N/

    11、A N/A MPa, max (ISO 178, 2 mm test speed) 3.5.9 Moisture Content, 0.3 N/A N/A %, max 3.5.10 Ozone Resistance, - - Rating 0 max (ASTM D 1171, Method A, 70 h at 50 pphm) 3.6 DIMENSIONS The hose shall conform to the dimensions and tolerances specified in Table 1. Measurement shall be made in accordance

    12、 with ASTM D 380. ENGINEERING MATERIAL SPECIFICATION WSS-M96D25-A3 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 3 of 4 TABLE 1 BARRIER HOSE MATERIAL Hose Size Inside Diameter Outside Diameter Concentricity (mm) (mm) (mm) (mm) min max min max TIR 8.0 7.84 8.61 14

    13、.22 15.24 .76 10.0 10.16 11.17 16.76 17.78 .76 13.0 12.44 13.46 18.92 19.94 .76 16.0 15.62 16.63 23.11 24.13 .76 19.0 18.92 19.93 26.92 27.94 .76 Acceptable hose must meet the following minimum performance requirements. Tests shall be conducted in accordance with ASTM D 1680 unless otherwise specifi

    14、ed. Refer to S95UW-19B591-AA for additional PV and DV testing requirements. 3.7 WEIGHT LOSS, max 0.5% (After 8 h at 70 +/- 2 C) 3.8 ADHESION, min (ASTM D 413, ring specimen, Type A) 3.8.1 Second Rubber Layer to Reinforcement 31 N 3.8.2 Reinforcement to Cover 22 N 3.9 IDENTIFICATION The hose shall be

    15、 identified as follows: a) Hose supplier identification code. b) Hose I.D. in millimeters. c) Four digit date code. d) Color of letter - yellow or white. The following code format is recommended, but not mandatory: G 2 01 Where G = Plant Designation 2 = Year (single digit) 01 = Week (two digit numbe

    16、r) These markings shall appear at intervals not greater than 300 mm. The markings shall not be soluble in water or other fluids as specified in S95UW-19B591-AA, Section 3A.11 and shall withstand normal handling without smearing. ENGINEERING MATERIAL SPECIFICATION WSS-M96D25-A3 Printed copies are unc

    17、ontrolled Copyright 2006, Ford Global Technologies, LLC Page 4 of 4 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 For information on currently approved engine coolants for use in this specificati

    18、on contact: Materials Laboratory 15/GM-DO1-D Materials Engineering Office Research & Engineering Center Climate Control Division Ford Motor Company Ltd. 15031 Commerce Drive S Laindon, Basildon International Technology Center Essex SS15 6EE, England Dearborn, MI 48120 Materials Engineering Product Engineering Office Ford Motor Co. of Australia, Ltd. Princes Highway, Norlane Victoria 3214, Australia 5.2 Material Identification for Recycling Purpose CR,PA6,PET,IIR


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