LPS 3 Rust Inhibitor (MIL-PRF-16173E)

LPS 3 Rust Inhibitor (MIL-PRF-16173E) is a long-term, soft-film corrosion inhibitor designed to protect metal surfaces from rust and moisture. It forms a durable, waxy coating that repels water, prevents oxidation, and resists salt spray, making it ideal for indoor and outdoor storage, transportation, and industrial applications. LPS 3 provides up to two years of protection and is safe for use on various metals, electrical components, and machinery.

FEATURES AND BENEFITS

Protects for up to 2 years indoors

Prevents rust and corrosion

Safe on all metals

Safe to use on rubber, fabric, plastics, and paints

Inhibits exfoliation and filiform corrosion of aluminum

Penetrates to displace moisture

Specifications & Approvals

Specification
Airbus AIMS 09-08-001
ASTM F-945-12
BMS 3-23G Type II Class I
Caterpillar 1E4967
MIL-PRF-16173E Grade 2 Class 1 – except for para. 4.6.4

Applications

  • Aircraft fuselages
  • Battery terminals
  • Cables, chains, and pulleys
  • Cargo sections
  • Interior sections of vehicle doors
  • Metal parts
  • Pumps and hose assemblies

Data Sheets

Too See LPS 3 Rust Inhibitor (MIL-PRF-16173E) technical data sheet (TDS) and the LPS 3 Rust Inhibitor (MIL-PRF-16173E) safety data sheet (SDS). Visit here 

Frequently Asked Questions

What is LPS 3 Premier Rust Inhibitor and how does it work?

LPS 3 is a heavy-duty long-term corrosion inhibitor that forms a soft, transparent, waxy film to seal out moisture, air, and corrosive fumes. Its unique self-healing property allows the film to automatically "close" if scratched, ensuring continuous protection for aircraft fuselages, cargo sections, and stored metal parts.

LPS 3 provides up to 2 years of protection for metal parts stored indoors and approximately 7 to 9 months for parts stored outdoors. It is specifically engineered to protect against harsh environments, including salt spray and high humidity, making it ideal for overseas shipments.

LPS 3 is qualified to major aerospace standards, including BMS 3-23G Type II Class I (Boeing), Airbus AIMS 09-08-001, and MIL-PRF-16173E Grade 2 Class 1. It also conforms to DMS 2150 and is approved by Pratt & Whitney under PWA 36604.

Yes, LPS 3 is safe for use on most surfaces, including rubber, fabric, plastics, and paints. It is also highly effective at inhibiting exfoliation and filiform corrosion on aluminum, which is a critical requirement for maintaining the structural integrity of aircraft skins.

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