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TECTYL 891D, Class 1 (MIL-PRF-16173E)

What is TECTYL 891D, Class 1?

TECTYL 891D, Class 1 ( (MIL-PRF-16173E) ) is a solvent-based, black asphaltic corrosion preventive compound designed to protect metallic surfaces in extreme environments. It forms a semi-hard, durable coating that shields metal components from moisture, chemicals, and environmental wear.

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TECTYL 891D, Class 1 – Military-Grade Corrosion Protection

FEATURES AND BENEFITS

Long-Term Corrosion Protection

Military-Grade Durability

Versatile Application

Water & Chemical Resistant

Temperature Resistant

Compatibility

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Military Specification Compliance

TECTYL 891D, Class 1 meets MIL-PRF-16173E, Grade 1, Class 1, ensuring high-performance protection.

    • Grade 1: Forms a firm, semi-hard coating resistant to environmental exposure.
    • Class 1: Provides extended protection for ferrous and non-ferrous metals.
    • Temperature Resistance: Withstands extreme heat and cold, making it ideal for aerospace and military use.

Aviation Applications

TECTYL 891D, Class 1 is widely used in aircraft maintenance, storage, and corrosion prevention.

Aircraft Components Protection

  • Landing Gear & Wheel Wells – Shields from hydraulic fluid exposure.
  • Fuselage & Airframe Components – Prevents oxidation and rust.
  • Engine Bay & Exhaust Systems – Offers heat-resistant protection.
  • Fasteners, Bolts & Hinges – Prevents rust in hard-to-reach areas.

Aviation Ground Support Equipment (GSE)

  • Protects tow tractors, maintenance platforms, and airport infrastructure.

Aircraft Storage & Transport

  • Long-term aircraft storage in humid environments.
  • Used for military aircraft & helicopters in extreme climates.

Storage & Shelf Life

  • Shelf Life: Up to 2 years when stored properly.
  • Storage Conditions: Keep in a cool, dry place, away from direct sunlight.
  • Available Formats: Drums, pails, and aerosol cans.

Removal Process

Although TECTYL 891D, Class 1 is designed for long-term protection, it can be removed if necessary using:

  • Solvent Cleaning – Mineral spirits or petroleum-based solvents.
  • Vapor Degreasing – Effective for aviation and industrial equipment.
  • Hot Alkaline Wash – Ideal for cleaning large machinery.

Applications

TECTYL 891D, Class 1 is commonly used for corrosion prevention in:

  • Utility poles & power lines
  • Metal gates, doors & fences
  • Warehouse racks & storage bins
  • Roofing & metal construction panels
  • Military vehicles & tactical equipment
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TECTYL 891D, Class 1 – Military-Grade Corrosion Protection

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