Your Professional Antioxidant and Anticorrosion Agent Supplier
Since its establishment in 2010, Sinolook has been deeply involved in the energy and chemical sectors and has become one of the leading base oil and petrochemical traders in China and Asia. In the niche field of fine chemicals, we have a deep understanding of the characteristics and application scenarios of each type of product.
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![Primary ZDDP]()
Primary ZDDPPrimary ZDDP, also known as primary zinc dialkyldithiophosphate or Thiophosphorus butyrate alkyl zinc salt, is one of the most widely used and most trusted anti-wear additives in the global lubricant -
![Primary C8 ZDDP]()
Primary C8 ZDDPPrimary C8 ZDDP, also known as Sulfur-phosphorus dioctyl alkyl zinc salt, is a high-efficiency zinc dialkyldithiophosphate engineered from C8 primary alcohols. With excellent antiwear, antioxidant, -
![Hybrid Alkyl ZDDP]()
Hybrid Alkyl ZDDPHybrid Alkyl ZDDP, chemically known as Sulfur-phosphorus propane-octyl secondary alkyl zinc salt, is a new-generation zinc dialkyldithiophosphate designed to deliver enhanced thermal stability, -
![Secondary-Primary Blend ZDDP]()
Secondary-Primary Blend ZDDPSecondary-Primary Blend ZDDP, chemically known as Sulfur-phosphorus secondary alkyl zinc salts, is a modernized form of zinc dialkyldithiophosphate (ZDDP) engineered from a combination of secondary -
![2,6-Di-tert-butyl-p-cresol]()
2,6-Di-tert-butyl-p-cresol2,6-Di-tert-butyl-p-cresol, also known globally as BHT (Butylated Hydroxytoluene), is a highly effective phenolic antioxidant widely used in lubricants, polymers, fuels, rubber, cosmetics, and -
![2,6-Di-tert-butylphenol Mixture]()
2,6-Di-tert-butylphenol Mixture2,6-Di-tert-butylphenol Mixture is a high-performance hindered phenolic antioxidant widely used in lubricants, fuels, polymers, rubbers, adhesives, and industrial chemical formulations. As a mixture -
![High Molecular Phenolic Ester Antioxidants]()
High Molecular Phenolic Ester AntioxidantsHigh Molecular Phenolic Ester Antioxidants are advanced polymeric antioxidant additives designed for premium lubricants, synthetic oils, greases, hydraulic fluids, turbine oils, and specialty -
![Alkylated Diphenylamine]()
Alkylated DiphenylamineAlkylated Diphenylamine is a premium aromatic amine antioxidant widely used in high-performance lubricants, hydraulic oils, compressor oils, turbine oils, and synthetic industrial fluids. Known for -
![Nonylated Diphenylamine]()
Nonylated DiphenylamineNonylated Diphenylamine is a premium aromatic amine–type antioxidant widely used in high-temperature lubricants, turbine oils, hydraulic fluids, compressor oils, synthetic base oils, and industrial
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Our experienced sales and logistics teams provide responsive communication, technical assistance, and efficient service support throughout every stage of cooperation.
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We Comprehensive supplier evaluation and quality inspection procedures ensure product consistency, compliance, and reliable performance throughout the supply chain.
What is Antioxidant and Anticorrosion Agent
An antioxidant and anticorrosion agent is a specialized chemical additive used to protect materials—especially metals, lubricants, and polymers—from degrading due to oxygen exposure, heat, and moisture. These dual-action agents neutralize harmful free radicals and create protective barriers to prevent rust and decay.
Specification
|
Application |
Typical Treat Rate |
Key Test / Standard |
Primary Function |
|
Engine oil (with ZDDP) |
0.2–0.5 wt% |
Sequence IIIGH, RULER depletion |
Primary AO (radical terminator), synergistic with ZDDP (secondary AO) |
|
Transformer / turbine oil (sole AO) |
0.3–0.5 wt% |
IEC 60296; IEC 60296 ASTM D3487; BS EN ISO 4263 |
Sole AO; protects transformer insulating oil / turbine oil during long service intervals |
|
Hydraulic / gear / compressor oil |
0.1–0.6 wt% |
D2272 RPVOT, D943 TOST, DIN 51354 |
Oxidation inhibitor, sludge/varnish prevention |
|
Polyethylene / polypropylene (PP, PE) |
0.05–0.2 wt% |
ASTM D3012 (melt flow stability), OIT (D3895) |
Processing stabiliser (melt extrusion) + long-term thermal stabiliser |
|
Synthetic rubber / elastomers |
0.1–0.5 wt% |
ASTM D573 (heat aging) |
Aging resistance; retains tensile and elongation properties |
|
Gasoline / diesel fuel |
10–50 ppm (mg/kg) |
ASTM D873 (induction period), D2274 |
Storage oxidation inhibitor; prevents gum, haze, colour darkening |
|
Biodiesel / FAME |
50–200 ppm |
EN 14112 (Rancimat, ≥8 h induction) |
FAME oxidation stability; meets EN 14214 storage spec |
|
Food / cosmetics |
≤200 ppm (food); ≤0.1% (cosmetics) |
EU E321 (EC 1333/2008); FDA 21 CFR 172.185; EU Cosmetics Reg. 1223/2009 |
Preservative / anti-rancidity in edible oils, cosmetic oil bases, food packaging |
Superior Oxidation Resistance
Effectively slow down oil oxidation at elevated temperatures, reducing acid formation and extending lubricant service life.
Enhanced Corrosion Protection
Form protective films on metal surfaces to prevent rust and corrosion caused by moisture, acids, and aggressive operating conditions.
Thermal & Chemical Stability
Maintain consistent performance under high-temperature and long-term continuous operation.
Deposit & Sludge Control
Minimize varnish and sludge formation, helping keep lubrication systems clean and efficient.
Compatibility with Base Oils & Additives
Excellent compatibility with mineral oils, PAO, and synthetic ester base oils, as well as other additive components in lubricant formulations.
Types of antioxidants
Antioxidants by their mechanism are divided into three types:
(1) Primary antioxidants: These essentially function as free radical terminators.
(2) Secondary antioxidants: These function by retarding chain initiation and it is also important preventive antioxidants.
(3) Tertiary antioxidants.
Types of Anticorrosion Agent
Cathodic Inhibitor
Cathodic inhibitors can work to slow the cathodic reaction down or they can work to selectively precipitate on the cathodic regions of the metal in order to restrict the diffusion to the metal surface of the elements that are eroded.
Anodic Inhibitor
These types of corrosion inhibitors form a thin preventive oxide layer on the surface of the metal. This reaction leads to a big anodic shift,turning the metallic surface into a passivation area.This passivation area helps in reducing the corrosion of the metal.
Volatile Corrosion Inhibitor
Volatile corrosion inhibitors can be used to halt the corrosion of condenser tubes in boilers. They are also referred to as vapor phase inhibitors or VPIs.
Core Industrial and Commercial Applications of Antioxidant and Anticorrosion Agent
Industrial Lubricants & Oils: Antioxidant and anticorrosive additives are blended into engine oils, hydraulic fluids, and gear lubes. They prevent oil thickening, sludge formation, and varnish caused by extreme heat and oxygen, ensuring prolonged equipment life.
Metal Coatings & Paints: Organic and synthetic antioxidants are infused into primers and polymer coatings. They act as rust converters and adhesion promoters to protect infrastructure like bridges, pipelines, and ships from aggressive environmental conditions.
Green Chemistry & Plant Extracts: Recent eco-friendly innovations use plant-based polyphenols and essential oils (e.g., Origanum, Thymus, or Citrus waste) as sustainable, triple-action inhibitors. These protect metals from acid-induced corrosion and exhibit antibacterial properties.
Biomedical & Advanced Materials: Advanced nanostructures (like MXenes) are modified with antioxidant salts to prevent oxidative degradation, resulting in highly effective, corrosion-resistant shielding for sensitive electronics and medical applications.
Packaging & Fuels: Antioxidants are added to plastics and fuel systems to prevent the oxidative deterioration of packaging materials and fuel degradation, respectively.
FAQ
As one of the most professional antioxidant and anticorrosion agent manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to buy high-grade antioxidant and anticorrosion agent made in China here from our factory. For price consultation, contact us.
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