Ludlow Corp Laminating & Coating Division Mervelseal 1312 Class 2 MIL-B-131G

Marvelseal 1312: Superior Protection for Sensitive Equipment

Marvelseal 1312, produced by Ludlow Corporation’s Laminating & Coating Division, is a high-performance barrier material designed to meet the stringent requirements of MIL-PRF-131 Class II specifications. This flexible, heat-sealable laminate is engineered to provide exceptional protection against moisture, grease, and vapor, making it ideal for safeguarding sensitive equipment and components.

Key Features

• Low Moisture Vapor Transmission Rate (MVTR): Ensures minimal moisture penetration, preserving the integrity of packaged items.
• Greaseproof and Waterproof: Offers robust resistance to oils and water, preventing contamination and corrosion.
• Heat-Sealable: Facilitates secure sealing, enhancing the protective barrier around contents.
• Durable Construction: Combines kraft paper with aluminum foil and polyethylene layers for superior strength and puncture resistance.

Typical Applications

Marvelseal 1312 is widely utilized in military and industrial settings for packaging items susceptible to damage from environmental factors. Its applications include:

• Protecting electronic components such as printed circuit boards (PCBs) and integrated circuits (ICs) from moisture and static charges.
• Preserving machinery and equipment during storage and transportation, especially in humid or corrosive environments.
• Serving as a barrier material in naval and aviation applications where exposure to high moisture and salt levels is prevalent.

Physical Properties

The construction of Marvelseal 1312 typically includes:

• 40 lb Natural Kraft Paper
• 1 mil Low-Density Polyethylene (LDPE)
• 0.0003 mil Aluminum Foil
• 3.2 mil LDPE

This composition results in a total thickness of approximately 8 mils, providing a balance between flexibility and durability. The material exhibits high tensile strength and tear resistance, ensuring reliable performance in demanding conditions.

Compliance and Standards

Marvelseal 1312 complies with MIL-PRF-131 Class II standards, ensuring it meets the U.S. Department of Defense’s specifications for barrier materials. This compliance guarantees that the product delivers consistent and reliable protection for sensitive items.

Availability

Marvelseal 1312 is available in various roll sizes to accommodate different packaging needs. Standard dimensions include:

• 36 inches x 100 yards
• 36 inches x 200 yards
• 48 inches x 100 yards
• 48 inches x 200 yards

Custom sizes and configurations can be arranged to meet specific requirements.

Conclusion

Marvelseal 1312 stands out as a reliable and effective solution for protecting sensitive equipment and components from environmental hazards. Its robust construction, compliance with military standards, and versatile applications make it a preferred choice in both military and industrial sectors.