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Dinonylnaphthalene calcium sulfate
T701
T702
DINONYLNAPHTHALENE DISULFONIC ACID(DNNDSA)
DINONYLNAPHTHALENE SULFONIC ACID(DNNSA)
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Dinonylnaphthalene calcium sulfate

 

Ⅰ.Product property and use
  

1. Dinonylnaphthalene calcium sulfate is a kind of steady oil soluble antirust additives, which are extensively applied in diversified antirust oils.
2. Since dinonylnaphthalene calcium sulfate also has good emulsion resistance, it is most suitable for hydraulic oil and lubricant grease.
3. Compared with other same kind products, dinonylnaphthalene calcium sulfate has less toxicity and side effect.


 
Ⅱ. Technical standard
 
 
Item Quality index  Test method
First-grade Qualified-grade
 
Appearance
Brown
transparent
Viscous liquid
chocolate brown
viscous liquid
 Visual test ①
Density (20℃) mg/cm      ≥ ≥980  GB/T2540-1981
Flashing point (open), ℃ ≥ ≥165  GB/T3536-1983
Water content %              ≤ ≤0.10 GB/T260-1977
Machinery impurity %     ≤ ≤0.10 ≤0.15 GB/T511-1988
Alcium content %              ≥ 2.1 1.9  GB/T0297-1992
Acid value,mgKOH/g    ≤ ≤1.0 ≤1.5 GB/T264-1983
Emulsion resistance(40-37-3)
,min                                     ≤
≤15 ≤20  GB/T7305-1987
Base value,mgKOH/g   ≤ 1 2  GB/T7304-2000
Antirust performance
Humidity and heat test
(49℃±1℃,more than humidity 95%)
Class, no more than
No. 10 steel sheet No. 62 copper sheet
96h A -  GB/T2361
72h - A
Defoam ability
(foam tendency
/foam stability))
24℃ ≤5% ≤10%   GB/T12579-1990
93℃
24℃
Oil solubihty Qualified Visual test ②
Experiment methods    ①In a glass test-tube of diameter 30mm-40mm and height 120mm-130mm, add test sample to 2/3 height and observe from the tube side in greenhouse.
 ②Add 150# neutral oil (rubber industrial solvent oil for T705) to a beaker, add in 5% sample and dissolve it fully. Put it aside for 24 hours. If the solution has no white precipitation and suspension,it's qualified.
 
 
 
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