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Test Standards requirements for Salt

This summary is for general guidance only. Though believed to be accurate at the time of writing, this may change over time.
So this information should not be used as a substitute for referring to a complete test standard, at an appropriate revision level.

  Notes:
  • = Not Specified
  ppm = parts per million, this is the same as mg/kg
  % is parts per 100
  * 0.3 ppm = 0.00003%
  
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    BASIC SALT SPECIFICATION (excluding any alkaline or acidic buffers)
Test Standard Number Country/industry/
company of origin
Total
impurities
Anti-
caking
agents
Halides
(B, F & I)
exc. chloride
Copper (Cu) Nickel (Ni)
  SALT SPRAY/MIST/FOG TEST STANDARDS
  50180 method A1  Fiat Refer to Test Standard
  50180 method A2  Fiat Refer to Test Standard
  50180 method A3  Fiat Refer to Test Standard
  AS 2331 method 3.1  Australia ≤0.4% ≤0.1%
  AS 2331 method 3.2  Australia ≤0.4% ≤0.1%
  AS 2331 method 3.3  Australia ≤0.4% ≤0.1%
  ASTM B117  USA ≤0.3% none ≤0.1% <0.3ppm*
  ASTM B287  USA ≤0.3% ≤0.1%
  ASTM B368  USA Refer to Test Standard
  ASTM G85 annex A1  USA ≤0.3% ≤0.1%
  ASTM G85 annex A2  USA ≤0.3% ≤0.1%
  ASTM G85 annex A3  USA Refer to Test Standard
  ASTM G85 annex A4  USA Refer to Test Standard
  ASTM G85 annex A5  USA Refer to Test Standard
  ASTM G5894  USA Refer to Test Standard
  BS2011 Part2.1 Ka  UK ≤0.3% ≤0.1%
  BS2011 Part2.1 Kb  UK ≤0.3% ≤0.1%
  BS 3900 Part F4  UK Refer to Test Standard
  BS 3900 Part F12  UK ≤0.4% ≤0.1%
  BS 5466 Part 1  UK ≤0.4% ≤0.1%
  BS 5466 Part 2  UK ≤0.4% ≤0.1%
  BS 5466 Part 3>  UK ≤0.4% ≤0.1%
  BS 7479  UK ≤0.5% ≤0.1% <0.001% <0.001%
  BS EN ISO 7253  UK ≤0.4% ≤0.1%
  BS EN 60068-2-11  UK ≤0.3% ≤0.1%
  BS EN 60068-2-52  UK ≤0.3% ≤0.1%
  D17 1058  Renault ≤0.2% ≤0.1% <0.001%
  DEF STAN 00-35 Pt 3 CN2  UK Defence ≤0.3% ≤0.1%
  DEF STAN 133 method 14  UK Defence Refer to Test Standard
  DEF STAN 1053 method 24  UK Defence Refer to Test Standard
  DIN 50 021-SS  Germany ≤0.3% ≤0.1% <0.001%
  DIN 50 021-ESS  Germany ≤0.3% ≤0.1% <0.001%
  DIN 50 021-CASS  Germany ≤0.3% ≤0.1% <0.001%
  FLTM BI 103-01  Ford ≤0.3% none <0.1% <0.3ppm*
  GM4298P  General Motors ≤0.3% none <0.1% <0.3ppm*
  IEC 68-2-11  Europe ≤0.3% ≤0.1%
  IEC 68-2-52  Europe ≤0.3% ≤0.1%
  IEC 60068-2-11  Europe ≤0.3% ≤0.1%
  IEC 60068-2-52  Europe ≤0.3% ≤0.1%
  ISO 3768  Europe ≤0.4% ≤0.1%
  ISO 3769  Europe ≤0.4% ≤0.1%
  ISO 3770  Europe ≤0.4% ≤0.1%
  ISO 7253  Europe ≤0.4% ≤0.1%
  ISO 9227  Europe ≤0.5% ≤0.1% <0.001% <0.001%
  JIS H 8502 Method 1  Japan JIS K 8150 – 'grade 1' (see bottom of list for details)
  JIS H 8502 Method 2  Japan JIS K 8150 – 'grade 1' (see bottom of list for details)
  JIS H 8502 Method 3  Japan JIS K 8150 – 'grade 1' (see bottom of list for details)
  JIS Z 2371  Japan JIS K 8150 – 'grade 1' (see bottom of list for details)
  JNS 30.16.03  Jaguar Refer to Test Standard
  MIL-STD-202  USA Military ≤0.5% ≤0.1%
  MIL-STD-750  USA Military ≤0.5% ≤0.1%
  MIL-STD-810  USA Military ≤0.5% ≤0.1%
  NFX 41-002  France Refer to Test Standard
  RTCA/DO-160  RTCA Inc. ≤0.5% ≤0.1%
  VG 95 210  Germany ≤0.3% ≤0.1%
  Cyclic Corrosion Test (CCT) Standards
  CCT-1  Japan Automotive JIS K 8150 – 'grade 1' (see bottom of list for details)
  CCT-2  Japan Automotive JIS K 8150 – 'grade 1' (see bottom of list for details)
  ECC-1  Renault ≤0.2% ≤0.1%
  D17 2028  Renault ≤0.2% ≤0.1%
  GM9540P  General Motors Refer to Test Standard
  ISO11997-1  Europe ≤0.5% ≤0.1% ≤0.001% ≤0.001%
  ISO14993  Europe ≤0.5% ≤0.1% ≤0.001% ≤0.001%
  JASO M 609  Japan Automotive JIS K 8150 – 'grade 1' (see bottom of list for details)
  JASO M 610  Japan Automotive JIS K 8150 – 'grade 1' (see bottom of list for details)
  JIS H 8502 Method 4  Japan JIS K 8150 – 'grade 1' (see bottom of list for details)
  JIS H 8502 Method 5  Japan JIS K 8150 – 'grade 1' (see bottom of list for details)
  P-VW 1209  VW/Audi ≤0.3% ≤0.1% <0.001%
  P-VW 1210  VW/Audi ≤0.3% ≤0.1% <0.001%
  SAE J 2334  USA Automotive Refer to Test Standard
  STD1027, 14  Volvo ≤0.4% ≤0.1% ≤0.001% ≤0.01%
  STD1027,1375  Volvo Refer to Test Standard
  VDA 621-415  Germany Automotive ≤0.3% ≤0.1% <0.001%
  JIS K 8150 – 'grade 1' Specification
Total impurities  ≤0.5% 
Anti-caking agents  not specified 
Halides (Br, F & I) exc chloride  not specified 
Cu  not specified 
Ni  not specified 
K  ≤0.01% 
Ca  ≤0.003% 
SO4  ≤0.005% 
Pb  ≤0.001% 
Fe  ≤0.001% 
Ba  ≤0.001% 
As  ≤0.3ppm 
   
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