1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2009 11 19 N-STATUS Specification not in use. No replacement named L. Soreide, NA 2002 08 23 Revised Updated and renumbered 1996 05 31 Activated B. Cardwell Printed copies are uncontrolled Page 1 of 2 Copyri
2、ght 2009, Ford Global Technologies, Inc. ACETAL COPOLYMER (POM) COLOR PIGMENT WSS-M99B188-A1 CONCENTRATE, BLACK ACETAL COPOLYMER (POM) COLOR PIGMENT WSS-M99B188-A2 CONCENTRATE, MEDIUM GRAY ACETAL COPOLYMER (POM) COLOR PIGMENT WSS-M99B188-A3 CONCENTRATE, LIGHT BLUE ACETAL COPOLYMER (POM) COLOR PIGMEN
3、T WSS-M99B188-A4 CONCENTRATE, LIGHT GREEN ACETAL COPOLYMER (POM) COLOR PIGMENT WSS-M99B188-A5 CONCENTRATE, BRIGHT YELLOW NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by these specifications are high concentration color pigments contained in acetal copolymer granules. 2. APPLICATION T
4、hese specifications were released originally for materials used to color acetal copolymer resins used in the production of fuel pump armatures to allow for identification during assembly. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must co
5、nform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 ADDITIONAL REQUIREMENTS Specific requirements for material and/or manufactured parts shall be specified on the Engineering drawing, Engineering parts specification and/or performance specification. All critica
6、l areas with respect to these properties shall be clearly designated on the engineering drawing. ENGINEERING MATERIAL SPECIFICATION WSS-M99B188-A1/A2/A3/A4/A5 Page 2 of 2 Copyright 2009, Ford Global Technologies, Inc. Candidate materials shall successfully complete the following testing prior to app
7、roval to this specification. 3.2.1 Production Shop Trial 3.2.2 Component/Module Life Cycle Testing (As specified by the responsible design activity) 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 4.1
8、ASH CONTENT (ISO 3451-1, Method A, 600 +/- 25 C) A1 Black Nominal 1 % A2 Medium Gray Nominal 16 % A3 Light Blue Nominal 12 % A4 Light Green Nominal 9 % A5 Bright Yellow Nominal 4 % 4.2 RECOMMENDED CONCENTRATION The ratio of color concentrate to natural resin should not exceed a 1 to 20 ratio (5 %) by weight. 4.3 USE The color pigments defined by these specifications are to be used to color unpigmented acetal copolymers only.
