Agriculture & Machinery
Lubricant additives, rust inhibitors and hydraulic fluid additives for agricultural machinery and irrigation equipment.
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API CK-4 Heavy-Duty Diesel Engine Oil Additive Package
API CK-4 heavy-duty diesel engine oil additive packages are complete additive concentrates formulated for heavy-duty diesel engines equipped with advanced exhaust aftertreatment systems (EGR, DPF, SCR). These packages deliver improved oxidation resistance, shear stability, aeration control, and soot-handling dispersancy versus prior CJ-4 chemistry. They are designed for use with Group II and III base oils at 10–16% treat rate and must pass a demanding sequence of industry engine dyno and bench tests.
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API SN/SP Passenger Car Engine Oil Additive Package
API SN/SP passenger car engine oil additive packages are complete, fully balanced additive concentrates designed for blending with Group II, III, or IV base oils to produce finished engine oils meeting the latest API SN Plus, SP, and ILSAC GF-6A/GF-6B specifications. These packages contain optimized combinations of detergents, dispersants, antiwear additives, antioxidants, friction modifiers, corrosion inhibitors, and foam suppressants. They are tested and approved against the latest ASTM and CEC engine sequences.
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Alkylated Diphenylamine (ADPA) Antioxidant
Alkylated diphenylamine (ADPA) is a high-performance secondary aminic antioxidant produced by alkylating diphenylamine with olefins to improve oil solubility and reduce volatility compared to unalkylated DPA. ADPA provides superior high-temperature oxidation protection and is particularly effective in modern engine oils, aviation turbine oils, and high-temperature industrial lubricants. The C4–C9 alkyl substituents dramatically improve oil compatibility without sacrificing radical-scavenging activity.
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Amine Phosphate Antiwear Additive
Amine phosphates are ashless antiwear additives formed by the neutralization of phosphoric or phosphorous acid with fatty amines, delivering effective wear protection without contributing zinc or other metals to the formulation. They are particularly valued in zinc-free hydraulic fluids, environmentally acceptable lubricants (EAL), and applications where ZDDP is restricted. Amine phosphates also provide rust inhibition and mild acid neutralization, making them multifunctional components in hydraulic and circulating oil formulations.
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Aromatic Seal Swell and Conditioner Additive
Seal swell and conditioner additives are aromatic ester or polycyclic aromatic compounds used in lubricants to maintain the flexibility and dimensional integrity of elastomeric seals throughout service life. Without seal conditioners, elastomers can shrink, harden, and crack in synthetic or highly refined base oils, leading to oil leaks. These additives are essential in automatic transmission fluids, power steering fluids, and synthetic engine oils to ensure compatibility with NBR, HNBR, and PTFE seals.
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Automatic Transmission Fluid (ATF) Additive Package
Automatic transmission fluid (ATF) additive packages are precisely balanced concentrates that deliver the complex combination of friction, anti-shudder, antiwear, oxidation stability, foam control, and seal compatibility properties demanded by modern automatic transmissions. These packages must simultaneously control static and dynamic friction coefficients with extreme precision to enable smooth clutch engagement and prevent lock-up clutch shudder. They are formulated to meet OEM specifications including Dexron VI, Mercon LV, and Toyota T-IV/T-V standards.
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Barium Dinonylnaphthalene Sulfonate Rust Inhibitor
Barium dinonylnaphthalene sulfonate is a classical high-performance rust and corrosion inhibitor with exceptional water-displacing properties, used in protective oils, rust preventive compounds, and metalworking fluids. The barium salt form provides stronger adsorption on metal surfaces compared to calcium analogues and is particularly effective in humidity-cabinet and salt-spray testing conditions. It remains the benchmark rust inhibitor for long-term storage and preservation applications despite newer alternatives.
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Calcium Complex Soap Grease Thickener
Calcium complex soap thickeners are produced by the co-crystallization of calcium long-chain fatty acid soaps with calcium acetate or calcium borate, creating a complexed crystal structure with a dropping point of 250–280°C — significantly higher than simple calcium soap. Calcium complex greases offer exceptional water resistance and adhesiveness, making them the preferred choice for steel mill, food-grade, and high-temperature applications where water contamination is unavoidable.
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Calcium Petroleum Sulfonate Emulsifier for Metalworking
Calcium petroleum sulfonate emulsifiers are anionic surfactants widely used in soluble oil and semi-synthetic metalworking fluid concentrates to form stable oil-in-water emulsions with tap water of varying hardness. They provide simultaneous emulsification, mild rust inhibition, and lubricity enhancement. The calcium sulfonate structure offers superior emulsion stability versus sodium sulfonates, particularly in hard water conditions common in manufacturing environments.
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Calcium Salicylate Detergent
Calcium salicylate detergent is an overbased metal detergent additive that provides excellent acid neutralization, antioxidant activity, and high-temperature deposit control in engine oils. The salicylate structure offers inherent antioxidant functionality through its phenolic moiety, differentiating it from sulfonate and phenate detergents. It is widely used in modern low-SAPS engine oil formulations (ACEA C1/C2/C3/C4) and has become the preferred detergent for stringent exhaust aftertreatment-compatible lubricants.
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Chlorinated Paraffin Extreme Pressure Additive for Metalworking
Chlorinated paraffins (CPs) are among the most effective extreme pressure additives for heavy-duty metalworking operations including deep drawing, tapping, and gear hobbing, where contact pressures exceed the capability of sulfur and phosphorus-based EP additives alone. The chlorine content reacts with iron under tribological stress to form iron chloride low-shear films. Available in short, medium, and long chain lengths with 40–70% chlorine content, they are widely used in neat cutting oils and metalforming lubricants worldwide.
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Colloidal Graphite Solid Lubricant Additive
Colloidal graphite is a suspension of ultrafine graphite platelets (typically 1–10 μm) in oil or water carriers, used as a solid lubricant additive in greases, cutting fluids, and extreme-pressure lubricants. The layered hexagonal structure of graphite provides excellent lubrication under high load and high temperature conditions where conventional lubricants fail. Graphite is particularly effective in open gear, wire rope, and high-temperature furnace applications where environmental contamination of PTFE and MoS2 can occur.
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