ﺘ ﺒ ﺩﺍﻭﻤﻟﺍﻭ ﺕﺍﺭﺎﺒﺘﺨﻼﻟ ﺔﻴﻜﻴﺭﻤﻷﺍ ﺔﻴﻌﻤﺠﻟﺍ ﺏﺴﺤ ) ASTM ( ﺎـﻬﻨﺄﺒ 
ﻤ ﺩﺍﻭ ﻭﺃ ﺔﺒﻠﺼ ﺔﻌﺌﺎﻤ ) ﺔﻠﺌﺎﺴ ﻪﺒﺸ ( ﻥﻋ ﺔﺠﺘﺎﻨ ﻅـﻠﻐﻤ لـﻤﺎﻋ ﻊـﻤ ﻥﻴﻌﻤ ﻕﻴﻟﺯﺘ لﺌﺎﺴ ﺝﺯﻤ 
) Thickening agent ( ﻯﺭـﺨﺃ ﺩﺍﻭﻤ ﻊﻤ additives ﻀـﻤ ﻡﺤﺸـﻟﺍ ﺹﺍﻭـﺨ ﺭـﻴﻴﻐﺘﻟ ﺔﻓﺎ 
ﻪﻤﺍﺩﺨﺘﺴﺍﻭ ] [Hobson  G.
ﺘﺘ ﻥﻭﻜ ﺤﺸ ﻥﻤ ﻕﻴﻟﺯﺘﻟﺍ ﻡﻭ ﻲﻁﻔﻨﻟﺍ ﺱﺎﺴﻷﺍ ﺕﻴﺯ ،
 ﺭﻴﻁﻘﺘﻟﺍ ﺕﺎﻴﻘﺒﺘﻤ ﻥﻋ ﺔﺠﺘﺎﻨ ﻲﺌﻴﺯﺠﻟﺍ ﻥﺯﻭﻟﺍ ﺔﻌﻔﺘﺭﻤ ﻁﻐﻀﻟﺍ ﺩﻨﻋ  ﻱﻭﺠﻟﺍ  P ،
 ﺱﺎﺴﻷﺍ ) 70 – 95 ( % ﻊﻨﺼﻤﻟﺍ ﻡﺤﺸﻟﺍ ﻥﺯﻭ ﻥﻤ ﻲﻓ لﻤﻌﺘﺴﻤﻟﺍ ﺕﻴﺯﻟﺍ ﺍﺫﻫ ﻥﻭﻜﻴ ﻥﺃ ﺏﺠﻴﻭ 
 ﻡﺤﺸﻟﺍ ﺔﻋﺎﻨﺼ ﺫ ﺍ ﺔﻨﻴﻌﻤ ﺔﻓﺎﺜﻜﻭ ﺔﺠﻭﺯﻟ  ،
لﺜﻤ ﺕﺎﻔﺼﺍﻭﻤﻠﻟ ﺎﻘﺒﺎﻁﻤ  ﺔﻅﻠﻐﻤﻟﺍ ﺓﺩﺎﻤﻟﺍ ،
 ﻪﺒﺸ ﻭﺃ ﺔﺒﻠﺼ ﺓﺩﺎﻤ ﻰﻟﺇ ﻪﻟﻭﺤﺘﻟ ﺔﻠﺌﺎﺴ ،
 ﺃﻭ ﺎﻬﺼﺍﻭﺨ ﻥﻴﺴﺤﺘ ﺍﺩ ﺹﺍﻭﺨﻟﺍ لﻴﻠﻘﺘﻭ ﺎﻬﺌ ﺭﻴﻏ ﻟﺍ ﺒ ﺏﻭﻏﺭﻤ ﺎﻬ Sebenik  R.
ﻨﺼﺘ ﻕﻴﻟﺯﺘﻟﺍ ﻡﻭﺤﺸ ﻑ ﺩﺎﻤﻟﺍ ﻉﻭﻨ ﻰﻠﻋ ﺍﺩﺎﻤﺘﻋﺍ  ﺔﻅﻠﻐﻤﻟﺍ ﺓ ] [Hobson  G.
ﻭ ﺩﺎﻤﺘﻋﺍ ﹰﺍ ﻡﻗﺭ ﻰﻠﻋ ﺯﺭﻐﻟﺍ ) 1 ( ﻟ ﻡﺤﺸﻠ ﺘﻟﺍ ﺩﻌﺒ ﻐﺸ لﻴ ) 2 ( ﻴﺒﻤ ﻭﻫ ﺎﻤﻜ  ﻲﻓ ﻥ لﻭﺩﺠﻟﺍ ) 1 ( ؛
ﺒ ﻕـﻴﻟﺯﺘﻟﺍ ﻡﻭﺤﺸﻟ ﻲﻨﻁﻭﻟﺍ ﺩﻬﻌﻤﻟﺍ ﺏﺴﺤ The National Lubricating Grease Institute 
( ] Johnson M.
 2008 [ .
لﻭﺩﺠﻟﺍ ) 1 ( ﺍﺩﺎﻤﺘﻋﺍ ﻡﻭﺤﺸﻟﺍ ﻑﻴﻨﺼﺘ  ﻰﻠﻋ ) NLGI (