PolyFarm LLC of Caldwell, Idaho

Protecht NoRust Bags


Prevent corrosion the easy way!

Dipping your faithful firearm in hot cosmoline doesn't appeal?  Try a NoRust bag from Protecht.

Great for guns...  use in the closet, in the gun safe, or in your MonoVault burial cache.

Pistol bags are available with zip closures.  With the rifle bags, just roll the top and clip, tape, or staple.  Clean it, bag it, and you're done for 5 years!

shotgun in bag w norust product

Click HERE or on the size below to see items in the store.


Sizes and Applications


closure mil guns
6" x 8" Ziplock 4 pocket pistols
9" x 12" Ziplock 4 most handguns
12" x 18" Ziplock 4 big handguns, longer barrels
9" x 52" plain 4 scoped rifles w/o pistol grips
9" x 72" plain 4 long barrel goose and varmint guns
12" x 36" plain 6 folding stock shotguns and rifles
12" x 52" plain 6 scoped rifles with pistol grips
12" x 72" plain 6 50 cal


Manufacturer's information:

High Tech protection of your ferrous metals.

Peace of mind ... anything that can rust, we can protect.

Have you ever pulled out that favorite rifle, tool or collectable only to find surface rust, dust or even pitted areas?

Are you concerned about long term storage of your firearms or other expensive equipment?

What is a No Rust Bag?  This material was developed for the military to eliminate the need for cosmoline, and it WORKS!


Accelerated Corrosion Test ...

Mild steel (1010) coupons were sealed in .004 and .006 gauge NoRust Ferrous TYPE MYF bags and a .006 plain polyethylene bag. All bags were placed in a salty spray chamber (ASTM B-117-73) at 100 degree (38C) 95% humidity, for 180 days.


Corrosion Test Results

No Rust Ferrous Bags Plain Polyethylene Bags
.004 gauge - No corrosion (no data given) 
.006 guage - No corrosion .006 gauge - Severe corrosion


Note: NoRust Ferrous films pass the test for the corrosion inhibiting ability of the vapors as specified in the Federal Test Method Standard 101B, Method 4031, including the exhaustion test procedure.

Physical Properties: No Rust Ferrous 4 mil transparent yellow film

Tensile Strength:  1150-2400 psi

Elongation:  550%

Seal Strength:  Impulse-5.2 lbs - Thermal- 5.0 lbs

Recommended Sealing Temperature:  320-340 degree F dependent upon actual sealing equipment, temperatures adjusted for dwell and pressure

Color:  Yellow transparent

Gauge:  .004 (+ or - 10%)

Shelf life:  5 years at 85 degree F or less

Because we cannot anticipate or control the many conditions under which the information and our products may be used, no warranty, expressed or implied is made except that the product conforms to ProTecht specifications. The technical data furnished is believed to be accurate and complete. Buyer assumes all risk of use, storage, and handling of this product. ProTecht shall not be responsible for special or consequential damages. Nothing contained herein shall be construed as permission to use, or recommendation for the use of the product in the infringement of any existing patent.

...end of Manufacturer's information.

pistol in bag


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