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. FEBRUARY 2014 Page 1 of 4 NAVISTAR, INC. Material, Parts, and Process Specificatio
2、ns (MPAPS) NUMBER: MPAPS DT-12 Former Designation: CEMS DT-12 TITLE: Colorfastness to Cleaning and Chemicals CURRENT REV No.: 1402 DATE: Feb. 2014 WRITTEN/EDITED BY: Materials Engineering APPROVED BY: Materials Engineering SUPERSEDES: CEMS DT-12 June 2013 PRINTED COPIES OF THIS DOCUMENT MUST BE VERI
3、FIED 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 ap
4、plicability of regulatory limits prior to use. Change Notice: New format, added technical contact (9.0) and restricted chemical substances (2.1), added 4.1.6-4.1.10, 4.2.12, and 6.4; deleted 4.3.6; edited 5.3, 5.4, and 6.2-6.4. 1.0 SCOPE This test method provides a procedure to evaluate the resistan
5、ce of interior, exterior, and under hood/chassis components to cosmetic damage caused by various chemicals. 1.1 METHOD A: Chemicals/Method for Interior Parts. 1.2 METHOD B: Chemicals/Method for Exterior Parts. 1.3 METHOD C: Chemicals/Method for under hood and chassis parts. 2.0 REFERENCE DOCUMENTS U
6、nless otherwise specified the latest issue of all referenced standards shall apply. The following specifications and standards are referenced in this specification: AATCC Test Method 8 TMS-9543 CEMS B-38 CEMS B-32 CEMS B-1 ASTM D 471 AATCC Test Method 15 AATCC Evaluation Procedure 1 AATCC Evaluation
7、 Procedure 8 ASTM D 1193 ISO 105-A02 MPAPS B-50 2.1 Restricted Chemical Substances All product supplied to the requirements of this specification must comply with the requirements of the MPAPS B-50 specification. 2.2 Safety This specification does not address the safety of the chemicals or procedure
8、s used. It is up to the user to use good laboratory safety practices and take all appropriate safeguards in using, mixing and storing these chemicals. 3.0 MATERIAL 3.1 Interior trim component or test panels taken from the part. 3.2 Exterior trim component or test panels taken from the part. 3.3 Unde
9、r hood or chassis components, test panels or materials taken from the part. NUMBER: MPAPS DT-12 TITLE: COLORFASTNESS TO CLEANING AND CHEMICALS REVISION: 1402 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Su
10、ppliers are required to assume all patent liability. 2014 by Navistar, Inc. FEBRUARY 2014 Page 2 of 4 4.0 CHEMICALS Chemicals shall be mixed shortly before being used. Appropriate characteristics shall be measured and reports such as pH, density, viscosity, etc. for each type of chemical listed. Thi
11、s information shall be included on the final test report along with the date and source of the chemicals. Water used to make solutions shall be a good laboratory grade of distilled or deionized (DI) water that meets an appropriate category of ASTM D 1193. 4.1 METHOD A - Interior Parts 4.1.1 Ammonia
12、based cleaner 4.1.1.1. 1-part Ammonia (commercial 27% solution) 4.1.1.2. 1-part Isopropyl Alcohol (commercial 70% solution) 4.1.1.3. 2 parts water 4.1.2 Detergent - oxidizing 4.1.2.1. 20g Sodium Borate (Na2B4O7 . 10H2O - Borax) 4.1.2.2. 13g Sodium Bicarbonate (NaHCO3 - Baking Soda) 4.1.2.3. Dissolve
13、 in water to make 1 liter solution. 4.1.3 100% Petroleum Naptha 4.1.4 Bleach dilute commercial bleach down to 1% Sodium Hypochlorite (NaOCl) in water. 4.1.5 Perspiration Reference AATCC Test Method 15 Prepare to make 1 liter of solution in water. 4.1.5.1. 10 0.01g sodium chloride (NaCl); 4.1.5.2. 1
14、0.01g lactic acid, USP 85%; 4.1.5.3. 1 0.01g disodium hydrogen phosphate, anhydrous (Na2HPO4); 4.1.5.4. 0.25 0.001g Lhistidine monohydrochloride. 4.1.5.5. Add water to make 1 liter of solution. The pH shall be 4.3 0.2; discard and remake if this is not met. The solution may be stored for 3 days. 4.1
15、.6 General Purpose Cleaner 4.1.6.1. 0.3% Alkyl dimethylbenzyl ammonium chloride (or Formula 409) 4.1.7 Cola 4.1.7.1. Coca-Cola brand cola (full concentration at room temperature) 4.1.8 Sunscreen (steering wheel only) 4.1.8.1. Any aerosol based, water-proof, sunscreen with an SPF factor of 30 4.1.9 I
16、nsect repellant (steering wheel only) 4.1.9.1. Any aerosol based insect repellant with 20% N, N diethyl-meta-toluamide (DEET) 4.1.10 Steam 4.2 METHOD B - Exterior Parts 4.2.1 All chemicals listed in section 4.1 for interior parts. 4.2.2 Grade 1C Diesel Fuel per CEMS B-32 (No. 1 ultra low sulfur dies
17、el fuel) 4.2.3 10% Sodium Chloride in water 4.2.4 10% Calcium Chloride in water 4.2.5 15% Xylene and 85% Mineral Spirits. 4.2.6 Diluted windshield washer fluid per CEMS B-38 (47% methanol in water and detergent). 4.2.7 Aluminum cleaner by weight percent: 4.2.7.1. 85% water NUMBER: MPAPS DT-12 TITLE:
18、 COLORFASTNESS TO CLEANING AND CHEMICALS REVISION: 1402 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. FEBRUARY 2014 Page 3 of 4
19、4.2.7.2. 6.0% Phosphoric Acid (85% concentration) 4.2.7.3. 8.0% Citric Acid (50%) 4.2.7.4. 1.0% Nitric Acid (70%) 4.2.8 Non-phosphorous Aluminum Cleaner by weight percent: 4.2.8.1. 80% water 4.2.8.2. 12% Citric Acid (50%) 4.2.8.3. 8.0% Gluconic Acid (50%) 4.2.9 Muriatic Acid 2.0 Molar hydrochloric a
20、cid (HCl) 4.2.10 Diesel Exhaust Fluid (DEF) 4.2.11 Hydrophobic windshield wiper fluid (i.e. RainX) 4.2.12 10% Magnesium Chloride in water 4.3 METHOD C - Under Hood and Chassis Parts 4.3.1 All chemicals listed in sections 4.1 for interior parts and 4.2 for exterior parts. 4.3.2 IRM 902 oil per ASTM D
21、471 4.3.3 Reference Fuel B per ASTM D471 4.3.4 DOT 3 brake fluid 4.3.5 50-50 Ethylene Glycol coolant and water per CEMS B-1 Type III 5.0 PROCEDURE 5.1 Apply a sufficient amount of the chemical to be tested (approximately 15-30 mm diameter area) to separate areas of the test panel or test part. 5.2 A
22、llow the cleaning solution/product to set for 5 minutes before proceeding. 5.3 Perform Crocking Test as per AATCC Test Method 8, Section 9.1: Dry Crocking Test. 5.4 Rinse sample in DI water and lightly clean with water and cheese cloth swatches. 6.0 EVALUATION 6.1 Report results separately for each
23、cleaning solution tested. 6.2 Evaluate the tested areas for color changes. 6.2.1 Preferred Method: Evaluate samples with AATCC Evaluation Procedure 1: Grey Scale for Color Change or ISO 105-A02. 6.2.2 Alternative Method 1: Evaluate cheese cloth swatches with AATCC Evaluation Procedure 8: AATCC 9-Ste
24、p Chromatic Transference Scale. 6.2.3 Alternative Method 2: Evaluate cheese cloth swatches with any procedure listed in AATCC Test Method 8; Section 10. 6.2.4 For all methods, spectrophotometric measurements of samples shall be taken with the specular component included (SPI) or with a 0/45 (45/0) g
25、eometry. The colorimetric data shall be calculated using CIE 1964 10 observer data for Illumination D65. 6.3 Visually evaluate the material for changes or staining. 6.4 Evaluate the sample for blistering, softening, peeling, bubbling, or loss of adhesion. 7.0 REPORT 7.1 Test results should be organi
26、zed in accordance with the guidelines described in AATCC Test Method 8, Section 11. 7.2 Report results in accordance with procedure outlined in TMS-9543. NUMBER: MPAPS DT-12 TITLE: COLORFASTNESS TO CLEANING AND CHEMICALS REVISION: 1402 This document is restricted and may not be sent outside Navistar
27、, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2014 by Navistar, Inc. FEBRUARY 2014 Page 4 of 4 8.0 RECOMMENDED GUIDELINES 8.1 The referring specification shall detail the pass-fail criteria. This is intended as a gu
28、ideline for that specification. 8.2 Certain chemicals may be considered inappropriate for some base materials. For instance TMS-7121 does not test Petroleum Naphtha (4.1.3) on leather hides. Other combinations are similarly unsuitable. Please consult Materials Engineering for further guidance. 8.3 M
29、inimum AATCC rating of 4 on the AATCC Color Transference Chart. Materials with a rating of 3 may be further reviewed with engineering. 8.4 The base material shall not show any signs of color change, tackiness or other deleterious effects. Pictures and/or samples shall be provided with the engineerin
30、g report and any questionable or marginal results shall be reviewed with engineering prior to completing the report. 9.0 TECHNICAL INFORMATION For further information related to the technical 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:/
