MIL-PRF-131K, Class 1 Aluminum Foil Barrier Material

High-performance MIL-PRF-131K, Class 1 aluminum foil barrier material engineered for military, aerospace, industrial, and export packaging applications. Designed to provide superior protection against moisture vapor, oxygen, corrosion, grease, and environmental exposure.

High-Performance Protective Barrier Material

MIL-PRF-131K, Class 1 foil is a flexible, heat-sealable barrier material used to protect sensitive equipment, precision components, and critical parts during storage and transport.

It is widely used where maximum barrier protection and durability are required.

Key Features & Benefits

  • Meets MIL-PRF-131K, Class 1 military specification
  • Provides an excellent moisture vapor and oxygen barrier
  • Heat sealable for secure, airtight packaging
  • Helps prevent corrosion, oxidation, and contamination
  • Durable construction for industrial and military use
  • Suitable for long-term storage and export packaging
  • Reliable performance in harsh environments

Common Applications

  • Aircraft parts and aerospace components
  • Military and defense packaging
  • Export packaging and overseas shipping
  • Long-term storage of sensitive equipment
  • Electronics and moisture-sensitive items
  • Industrial machinery and precision parts
  • Corrosion prevention packaging
  • Barrier bags, liners, and wraps

Technical Specifications (Typical Values)

  • Material Type: Aluminum foil barrier laminate
  • Specification: MIL-PRF-131K, Class 1
  • Construction: Foil / film laminate structure
  • Barrier Properties: Moisture vapor, oxygen, grease, and light resistant
  • Sealability: Heat sealable
  • Moisture Vapor Transmission Rate (MVTR): Very low (high barrier performance)
  • Water Resistance: Waterproof
  • Grease Resistance: Excellent
  • Flexibility: High (suitable for wrapping and bagging)
  • Durability: Tear and puncture resistant
  • Use Environment: Industrial, aerospace, military

Why Choose MIL-PRF-131K, Class 1 Material?

This material is trusted by aerospace, military, and industrial professionals who require reliable barrier protection for critical assets.

It provides:

  • Proven performance in demanding environments
  • Compliance with military packaging standards
  • Protection for high-value and sensitive equipment
  • Confidence in long-term storage and transport

Product Availability

MIL-PRF-131K, Class 1 aluminum foil barrier material is available in various formats, including:

  • Rolls
  • Sheets
  • Custom sizes
  • Converted barrier bags and liners

Request Pricing

Online ordering will be available soon.

Please contact us and we will provide pricing and availability promptly.

Roll

18" x 200 yds.