1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions REV 1 2011 03 17 Revised Revised: Title and section 3.4 C. Richardson, NA 2008 09 12 Activated C. Richardson Printed copies are uncontrolled Copyright 2011 Ford Global Technologies, LLC Page 1 of 2 DIESEL EXHAUST FLUID WSS-M99C130-A 1. SCOPE
2、The material defined by this specification is an operating fluid for Selective Catalytic Reduction (SCR) systems. 2. APPLICATION This specification was released originally for material used as initial fill and service fluid for vehicles with diesel engines equipped with selective catalyst reduction
3、converters. 3. REQUIREMENTS This material must meet the requirements of CEFIC (European Chemical Industry Council) according to DIN 70070 and ISO 22241-1. 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For P
4、roduction Materials (WSS-M99P1111-A). 3.2 UREA CONTENT 31.8 33.2 % (m/m) (ISO 22241-2 Annex B (*) ISO 22241-2 Annex C) (*) Calculated without subtracting nitrogen from ammonia 3.3 DENSITY at 20 C 1087 1093 kg/m3 (ISO 3675 or ISO 12185) 3.4 REFRACTIVE INDEX at 20 C 1.3814 - 1.3843 (ISO 222412 Annex C
5、) 3.5 ALKALINITY AS NH3 0.2 % (m/m), max (ISO 222412 Annex D) 3.6 BIURET 0.3 % (m/m) max (ISO 222412 Annex E) 3.7 ALDEHYDES 5 mg/kg max (ISO 222412 Annex F) 3.8 INSOLUBLE MATTER 20 mg/kg max (ISO 222412 Annex G) ENGINEERING MATERIAL SPECIFICATION WSS-M99C130-A Printed copies are uncontrolled Copyrig
6、ht 2011, Ford Global Technologies, LLC Page 2 of 2 3.9 PHOSPHATE (PO4) 0.5 mg/kg max (ISO 222412 Annex H) 3.10 CALCIUM 0.5 mg/kg max (ISO 222412 Annex I) 3.11 IRON 0.5 mg/kg max (ISO 222412 Annex I) 3.12 COPPER 0.2 mg/kg max (ISO 222412 Annex I) 3.13 ZINC 0.2 mg/kg max (ISO 222412 Annex I) 3.14 CHRO
7、MIUM 0.2 mg/kg max (ISO 222412 Annex I) 3.15 NICKEL 0.2 mg/kg max (ISO 222412 Annex I) 3.16 ALUMINUM 0.5 mg/kg max (ISO 222412 Annex I) 3.17 MAGNESIUM 0.5 mg/kg max (ISO 222412 Annex I) 3.18 SODIUM 0.5 mg/kg max (ISO 222412 Annex I) 3.19 POTASSIUM 0.5 mg/kg max (ISO 222412 Annex I) 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 4.1 Quality Control records must be made available to Fuels and Lubricants and Materials Engineering upon request.
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