High-temperature lubricant formulators frequently screen alkyl diphenylamine antioxidants for oxidation control in industrial fluids. Liaoning Hongyi Chemical Co., Ltd. now lists ADPA-98, a transparent light-colored liquid antioxidant additive, with…
Applications & Markets
ADPA-98 is listed for industrial lubricant applications. The listing places the product under Metallurgy, Mineral & Energy, Nonmetallic Minerals, and Mica categories, but the primary functional role is as an antioxidant additive for high-temperature lubricants. Procurement teams in lubricant blending and additive distribution can treat this as a potential single-component antioxidant for oxidative stability screening.
Product Description
The listing identifies ADPA-98 as an alkyl diphenylamine antioxidant in transparent light-colored liquid form. It carries the Hongyi brand, model number ADPA-98, and SAE specification. The following values are published in the product attributes:
- Application: Industrial Lubricant
- Type: Antioxidant
- General Composition: Additives
- Appearance: Transparent light colored liquid
- Kinematic Viscosity (40°C): 100-350 mm²/s
- Density (20°C): 945-995 kg/m³
- TBN: 152-172 mgKOH/g
- Flash Point (COC): 180°C min
- Diphenylamine: 1.0 wt% max
- Water Content: 0.15 wt% max
- Selling Units: Single item
Company Profile
Liaoning Hongyi Chemical Co., Ltd. lists this SKU from Liaoning, China under the Hongyi brand. The seller’s product scope on the listing references lubricating oil, testing instruments, engine oil additives, package, extreme pressure, and antiwear agents, indicating a broader additives and lubricant-related offering. No factory certifications or OEM programs are stated in this product record.

Quality & Compliance
The current listing does not include certifications such as ISO or industry-specific approvals. Buyers should request a certificate of analysis (CoA), safety data sheet (SDS), and any application-specific compliance evidence before sampling. The published flash point and water content provide initial quality signals, but batch-level documentation is not shown.

Key Takeaways
- ADPA-98 is positioned as an alkyl diphenylamine antioxidant for industrial lubricants.
- Published specs include viscosity, density, TBN, flash point, and residual diphenylamine.
- Default SKU price is 4,300, with single-item selling units listed.
- No certifications, MOQ, or OEM terms are included; confirm directly with the supplier.
Next Steps for Buyers
Procurement teams can shortlist this SKU after confirming current pricing, lead time, and packaging options with Liaoning Hongyi Chemical. Request a sample for oxidation performance testing and ask for a CoA against the listed ADPA-98 specifications. Because the listing uses single-item selling units, clarify minimum order terms and freight incoterms before issuing an RFQ.
Disclaimer
This brief is based solely on the product listing data provided. Specifications, pricing, and availability may change; verify all details with the supplier before purchase. This is not an endorsement of product performance.

Related product: Alkyl Diphenylamine Antioxidant Supplier - ADPA-98 High Temperature Lubricant Additives

By:SourceFactories