1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2015 08 21 N Status Replaced by WSS-M99D67-B1 L. Sinclair, NA 2005 10 28 Revised Para 3.10.2 L. Soreide 2004 06 04 Activated L. Soreide Copyright 2015, Ford Global Technologies, LLC Page 1 of 4 FLOOR MATS, POLYMERIC GRAINED, SHAPED WSS-M99D67
2、A NOT TO BE USED FOR NEW DESIGN 1. SCOPE This classification system is used to identify the material characteristics of non-carpeted accessory floor mats used in automotive applications. 2. APPLICATION This specification was released originally for material used as an all weather injection molded f
3、loor mat for the Ranger and F-350 trucks. Materials approved to this specification must meet all of the requirements in this specification and all applicable requirements of the Sound and Heat SDS. Carpeted floor mats must meet the requirements of WSS-M15P44-A. 3. REQUIREMENTS Tests shall be conduct
4、ed on sections of the floor mat. 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 ORIGINAL PROPERTIES 3.2.1 Appearance The color pattern, texture, clarity and fin
5、ish shall match that of the master sample on file at the affected Product Engineering Office. 3.2.2 Surface Condition The surface shall not be tacky to foreign material. Dirt and dust shall be capable of removal with soap and water. 3.3 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, p
6、ost test conditioning 1 h and 16 h) Fog Number, min 70 Formation of clear film, droplets or crystals is cause for rejection. 3.4 ODOR, max Rating 2 (FLTM BO 131-01/SAE J1351) ENGINEERING MATERIAL SPECIFICATION WSS-M99D67-A Copyright 2015, Ford Global Technologies, LLC Page 2 of 4 3.5 FLAMMABILITY (I
7、SO 3795/SAE J369) Burn Rate, max 100 mm/minute 3.6 COLD FLEXIBILITY Shall not crack when folded on itself at -30 +/- 1 C. 3.7 RESISTANCE TO H2S STAINING, min Rating 4 (FLTM AN 102-01, AATCC/ISO 105 Procedure 1) 3.8 RESISTANCE TO FADE, min Rating 4 (SAE J1885, 112 kJ/m2, AATCC/ISO 105 Procedure 1) 3.
8、9 RESISTANCE TO WEAR (SAE J948, 1000 g load, CS#10 wheels, 1000 cycles) Rating 6 Surface to be cleaned with mineral spirits prior to test. Abraded area must be compatible with unabraded adjacent area. Evaluate per Attribute Rating System paragraph 4.2. 3.10 ADDITIONAL LINE CALLOUT REQUIREMENTS Shall
9、 be specified on the engineering drawing and approved source list. 3.10.1 First Character Material Type Code Letter not specified A polyvinyl chloride B rubber C urethane D plastisol E reclaimed PVC/fabric F reclaimed elastomer thermoplastic blend G rubber/elastomeric blend H special requirement Z 3
10、10.2 Second Digit Specific Specific Gravity Code Number Gravity, tolerance +/- 5% (ASTM D 792) 1.32 1 1.70 2 1.80 3 1.90 4 2.10 5 2.30 6 2.50 7 special requirement 9 ENGINEERING MATERIAL SPECIFICATION WSS-M99D67-A Copyright 2015, Ford Global Technologies, LLC Page 3 of 4 3.10. 3 Third Digit Tear Te
11、ar Strength Code Number Strength, min (ASTM D 624, Die C) 3 kN/m 1 10 kN/m 2 20 kN/m 3 30 kN/m 4 40 kN/m 5 50 kN/m special requirement 9 3.10.4 Fourth Digit Hardness Hardness Code Number Durometer “A“, (ISO 868/ASTM D 2240) 50 - 59 1 60 - 69 2 70 - 79 3 80 - 89 4 special requirement 9 3.10.5 Fifth D
12、igit Tensile Strength Code Number Tensile Strength, min, Mpa (ISO R 527, 150 x 10 x 3 1 4.0 +/- 0.2 mm specimen, 5 2 300 mm/minute test speed) 8 3 10 4 Special Requirement 9 3.10.6 Sixth Digit Elongation Code Number Elongation, min (as per para. 3.10.5) 250% 1 251 - 500% 2 501% - Exceeds Jaw Length
13、3 Special Requirement 9 3.11 AGED PROPERTIES (ASTM D 573, 1000 h at 80 +/- 1 C) 3.11.1 Hardness - Durometer “A“ +/- 25% (ISO 868/ASTM D 2240) 3.11.2 Tensile Strength, min +/- 25% (As per para 3.10.5) 3.11.3 Elongation, min +/- 25% (As per para 3.10.5) 3.11.4 Tear Strength, Trapezoid +/- 25% (As per
14、para 3.10.3) 3.11.5 Bend Test No cracking Test Method: Bend sample 180 around 1.6 +/- 0.05 mm diameter rod at 23 +/- 2 C. ENGINEERING MATERIAL SPECIFICATION WSS-M99D67-A Copyright 2015, Ford Global Technologies, LLC Page 4 of 4 4.0 ATTRIBUTE RATING SYSTEM Engineering Rating Index 1 2 3 4 5 6 7 8 9 1
15、0 Evaluation of Attribute Performance Not Acceptable Poor Border- Line Acceptable Fair Good Very Good Excellent Customer Satisfaction (for the attribute) Very Dissatisfied Some what dissatisfied Fairly Well Satisfied Very Satisfied Completely Satisfied Improvement Desired by All Customers Average Cu
16、stomer Critical Customer Trained Observer Not Perceptible Rating Tips Ratings should reflect critical customer expectations. Customer expectations may vary due to specific market class, segment or model. Ratings are restricted to your observations made during the evaluation. It is acceptable not to rate an attribute due to insufficient evaluation time. Do not guess or lower your ratings due to insufficient evaluation time.
