1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 01 2015 04 02 Revision See Summary of Revisions W. Janitschke, EU 2007 09 25 Activated W. Janitschke Controlled document at www.MATS Copyright 2015, Ford Global Technologies, LLC Page 1 of 4 NVH, WATERBASED ACRYLIC, SPRAYABLE, PRIMER for
2、Shore Hardness after conditioning at 23 +/- 2 C for 4 h. 3.13 ABRASIVES The material shall contain no abrasive agents. Test Method: Dilute a one gram sample of material with one gram of special white spirit (Boiling Range 60/140) and mix thoroughly. Rub a portion of the diluted material 5 times betw
3、een two pieces of flat, clean plate glass. The appearance of scratches on the glass plate will be considered failure. 3.14 SPRAYABILITY The material shall be a smooth homogeneous mixture, free from foreign material and suitable for use in airless spray equipment. It shall spray evenly and rapidly wi
4、th no tip clogging or fluctuations in the spray pattern and with a min spray-back and fogging. ENGINEERING MATERIAL SPECIFICATION WSS-M4G446-A1 Copyright 2015, Ford Global Technologies, LLC Page 4 of 4 3.15 QUALITY The material shall be of uniform quality, free from foreign material and properties d
5、etrimental to normal production use. 3.16 STORAGE STABILITY 3 months min (From date of receipt at Ford Motor Company) When stored in sealed unopened containers out of direct sunlight at ambient temperatures between 5 C and 32 C. 3.17 DENSITY kg/l AT 23 C see initial sample (ASTM D 1475) The weight t
6、olerance for any one supplier shall be 0.05 kg/L, based on the recorded weight of the original approved sample. 3.18 CURED MATERIALS PERFORMANCE PROPERTIES Parts and/or test samples with materials according to these specifications must meet all requirements of performance specification WSS-M99P31-A2
7、 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. Contact for questions concerning Engineering Material Specifications. 4.1 MATERIAL REFERENCE All related materials used for approval according to this specification, e.g. electrocoat or metallic substrates shall be noted in the Initial Sample report of the NVH material. 5. REVISIONS 2015 04 02 3.6 added min and max curing per FLTM BV 150-05 3.9. Curing conditions added
