MIL-PRF-121 Type II Barrier Material

In stock

SKU: 101147 03

Regular price $149.00 USD

Size 36" X 600ft Roll 48" X 600ft Roll

Product variants

Quantity

This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted.

MIL-PRF-121 Type II barrier material is a U.S. military specification-approved laminate engineered for moisture, vapor, and grease protection in mission-critical preservation and export packaging applications. Manufactured with 40-pound natural kraft paper laminated to polyethylene, this material combines flexibility, durability, and heat-sealability in a lightweight structure.

Designed for wrapping, interleaving, and lining sensitive equipment, metal components, and industrial products, MIL-PRF-121 Type II provides dependable resistance to water, oil, and environmental contaminants—making it a trusted solution for defense, aerospace, and manufacturing operations.

Typical Properties:

Specification: MIL-PRF-121G, Type II
Construction: 40# Natural Kraft Paper / Polyethylene
Yield: 6,450 in²/lb (Calculated)
Tensile Strength: >17 lbs/in (ASTM D882)
Tear Strength: >100 grams (ASTM D1922)
Burst Strength: >30 psi (MIL-PRF-121G)
Seal Strength: >4 lbs/in (ASTM F88)
Suggested Seal Conditions: 500°F, 40 psi, 3 sec

Key Features & Benefits:

Meets MIL-PRF-121G Type II specifications
Waterproof, greaseproof, and heat-sealable
Lightweight and flexible for easy wrapping and handling
Provides a clean, secure moisture barrier
Compatible with desiccants, barrier bags, and corrosion inhibitors
Ideal for export packaging, long-term storage, and preservation of sensitive equipment

Available Roll Sizes:

36" wide x 600' rolls (8135-00-224-8885)
48" wide x 600' rolls (8135-00-543-6573)
Custom widths available upon request

Royco Packaging stocks MIL-PRF-121 Type II barrier material for immediate shipment and offers custom roll, sheet, bag, and tubing converting services to meet specific packaging needs.

Pair with other Royco preservation and protection materials, including:

MIL-PRF-131 barrier films and laminates
MIL-B-121 creped and laminated kraft papers
MIL-D-3464 desiccants
VCI corrosion inhibitor films and wraps

For bulk pricing, technical support, or material recommendations, call 1-877-MIL-SPEC to connect with one of our packaging specialists.

Royco Packaging — Mission Critical Protection. Made in the USA.