Views: 22 Author: Site Editor Publish Time: 2026-04-24 Origin: Site
Liaoning Zhuotai Chemical Co., Ltd. proudly announces that its ZT77218 Gear Oil Additive Package (3.18% treat rate) has successfully passed the complete sequence of rigorous gear oil bench tests conducted by the Southwest Research Institute (SwRI), USA, in a single pass.
The Southwest Research Institute (SwRI) is globally recognized for its century-long expertise in scientific research and testing. Passing SwRI testing represents a strong endorsement of gear oil formulation performance and reliability.
The ZT77218 additive package has been evaluated in strict accordance with leading international standards, including:
API GL-5
ASTM International
FTMS
SAE International
ZT77218 successfully passed the full sequence of industry-critical gear oil bench tests:
L-33-1 – Rust and corrosion resistance
L-37-1 – Load-carrying and anti-scuffing performance
L-42-1 – Extreme pressure and anti-wear protection
L-60-1 – Thermal oxidation stability under high temperatures
These tests simulate extreme working environments such as high load, high speed, elevated temperatures, moisture exposure, and mechanical shock, ensuring comprehensive validation of:
Extreme pressure (EP) performance
Anti-wear protection
Load-bearing capacity
Oxidation and thermal stability
Rust and corrosion resistance
The ZT77218 Gear Oil Additive Package is specifically designed for API GL-5 gear oil formulations, offering:
Excellent EP and anti-wear properties
Outstanding thermal-oxidative stability
Reliable protection under severe operating conditions
Optimized treat rate (3.18%) for cost-effective formulation
This makes it an ideal solution for automotive gear oils, industrial gear lubricants, and heavy-duty applications.
Guided by the philosophy of “technology-driven quality and authority-verified performance”, Liaoning Zhuotai continues to deliver high-performance, stable, and cost-efficient lubricant additive solutions to global partners.
ZT77218 sets a new benchmark for gear oil additive packages, helping lubricant manufacturers enhance product competitiveness in demanding markets.
Explore more product details and technical support at:
www.lnztchemical.com