1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2005 09 12 Revised Inserted 3.0; Deleted 3.7, 4 1978 11 17 Metricated . Any evidence of blistering after tape removal. 3.6.3 Thermal Shock Resistance The material shall exhibit no blistering nor loss of adhesion when subjected to the following
2、 cycle test per FLTM BI 107-03: . 4 h water immersion. . 4 h minimum exposure at -29 C. . Direct steam blast on scribed X at a 45 angle 2 - 3 in (50 - 75 mm) from panel for 15 s minimum. 3.6.4 Resistance to Water and Soap Spotting (FLTM BI 113-01, except the use of colorimeter is omitted) No more du
3、lling or color change than the approved master sample on file in the Body Materials Section. ENGINEERING MATERIAL SPECIFICATIONESB-M99J250-A/BPrinted copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 4 of 4 3.6.5 Resistance to Acid Spotting (FLTM BI 113-02, except the use of
4、 colorimeter is omitted) No more dulling or color change than the approved master sample on file in the Body Materials Section. 3.6.6 Gasoline Resistance No more softening, dulling, color transfer or color change than the approved master sample on file in the Body Materials Section. No blistering or
5、 any evidence of loss of adhesion. Test Method: Place the painted panel in a 600 mL beaker half full of M-14J148 Petroleum Naphtha - Aliphatic type for 1 h at 21 C minimum. Wipe the panel with a soft cloth and examine the cloth for evidence of color transfer and the paint film for evidence of color
6、transfer and the paint film for evidence of degradation. 3.6.7 Weathering Resistance Panel prepared in accordance with para 3.3 shall show a minimum degree of fading, chalking or dulling. No increase of brittleness or loss of adhesion is permitted and panels shall be completely free from evidence of
7、 cracking, checking, blistering or peeling when exposed as follows: . Florida Exposure (Miami area) . 12 months minimum at 5 facing south. . Accelerated Weathering 400 h (FLTM BO 101-01, Atlas XW Weatherometer) 3.6.8 Water Resistance After Weathering After panels have been subjected to either Florid
8、a or Weatherometer exposure as specified in para 3.6.7, they shall be tested for 24 h water resistance as described in para 3.6.2. Peeling of the paint film in excess of 1/8 in (3.2 mm) from the scribe mark shall be cause for rejection. Examine for blistering. Blistering in rinse pattern obviously d
9、ue to panel preparation shall not be cause for rejection provided adhesion is satisfactory. General blistering is considered failure. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. 5.1 FLASH POINT B
10、elow 27 C 5.2 FLAMMABILITY This material represents a potential fire hazard. The Manufacturing Engineering Department shall notify both the Plant Security and the Safety Units of its presence in the Plant to assure that proper fire precautions are provided. The location in which it is used or stored shall be included in the notifications. 5.3 MATERIAL REFERENCE ESF-M4D10C Polycarbonate Molding Compound ESF-M4D9 Acrylic Resin ESF-M4D87 Modified Acrylic Molding Compound ESF-M4D123 Acrylic Resin High Temperature
