Corporate Headquarters

734 West Penn Pike

Tamaqua, Pennsylvania 18252

KNF  Corporation

(570) 386-3550

Military Specification Packaging

KNF FLEXPAK offers stock and custom barrier bags and flexible preservation packaging that meet all military specifications including:

Mil B 121, Mil B 22191, Mil B 131 and Mil B 81705 Revisions B and C.

  • Barrier Material, waterproof, greaseproof available in medium duty, medium duty low stretch, high duty, heavy duty, heavy duty low stretch
  • Barrier Material, waterproof, greaseproof (grade C)
  • Barrier Material, water vapor proof, greaseproof ( low MVTR)

Moisture Barrier Bags

Manufacturer and Distributor of Superior Barrier Products​


Example of our moisture barrier bags

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Industrial Barrier Packaging

Offering a variety of barrier materials for storage and transport. Protection from gasses and vapors, chemicals scents and odors, moisture, oil and grease, corrosion causing substances and extreme temperatures.

  • Moisture Barrier Bags
  • Mylar or Foil bags
  • Tyvek Moisture Barrier Bags
  • Static Shielding Bags
  • Mil Spec Bags


Additional information included in brochure
Contact us with your questions.

Get Started Now!

Call One of Our Sales Managers to get
​started today. 



KNF FLEXPAK Corporation

734 West Penn Pike,

Tamaqua, Pennsylvania  18252

sales@knfcorporation.com
Phone: (570) 386-3550     

Fax: (570) 386-3703