Before discussing aluminum protection, it is important to offer an explanation of what is meant by ‘primary’  in the production, treatment, and application of the metal.

The term ‘primary aluminum’ refers to the forging of the metal from raw alumina. Then, utilizing the Hall–Héroult electrolytic reduction process, the collaborative compound is smelted to create aluminum alloys.

Aluminum Protection for a Greener Planet

At Mid-Mountain, our prime concern is how to make sure the products we provide ensure safe manufacturing practices in primary smelters.

Despite its obvious benefits and multitude of practical daily uses, aluminum has been criticized for the environmental expense of its manufacture. The painstaking multi-stage process involved in the making of this malleable metal has drawn widespread criticism from environmental health organizations who view it as not worth the trouble.

The product development team at  Mid-Mountain continues to develop products to assist smelters in avoiding costly and unwanted overproduction. We have come up with a variety of aluminum protection products to ensure this valuable metal can be created with conservation measures to extend its life and usefulness.

Aluminum Protection Products

At Mid-Mountain Materials, Inc. our remit is the development of high-temperature resistant, chemical resistant, and abrasion resistant textiles for high-end industrial applications. We have spent years fabricating and supplying a diverse portfolio of materials for advanced aluminum processing and environmental control.

With ideas and innovations for all aluminum protection needs, some of our greatest successes and triumphs include seals for use in carbon bake, cast houses, and potlines, as well as high-temperature adhesives and moldables for primary aluminum.  Tray pads have been very successful in protecting aluminum coils during transport in secondary aluminum smelters.

THERMOPAK® External Cathode Bar Seals

Mid-Mountain’s patented THERMOPAK® EXTERNAL CATHODE BAR SEALS have solved the universal problem faced by aluminium smelters of how to economically provide a hermetic seal for the full life of the reduction cell, where cathode bars penetrate the side wall of the reduction cell. In addition to providing an excellent seal for the full service life of the pot, these boots have the added advantage of providing additional thermal insulation at each of the cathode bar penetrations. Held in place with THERMOSEAL® 1000SF Cement and filled with THERMOSEAL® M22 Pumpable Moldable, these boots offer the most improved seal, in the most economical and easy to use design ever available to primary aluminium smelters.

THERMOSEAL® Moldables and Cements

Formed through highly-refined refractory fiber technology, our THERMOSEAL® Moldables and Cements provide the latest in cutting-edge aluminum protection. Used as an adhesive to install  THERMOPAK® External Cathode Bar Seal Boots,  THERMOSEAL® Moldables and Cements can be used to prevent the intrusion of any damaging elements or act as added protection to prevent the escape of valuable energies in the process.

ARMATEX® Crucible Lid Seals

ARMATEX® CRUCIBLE LID SEALS have an airtight seal, allowing positive or negative pressure to be
contained within a vessel. The silicone coating allows for a more positive seal and additional abrasion resistance, giving longer life cycles than uncoated seals. Available in rectangular, square and round formations, and with a fiberglass or extruded rubber core, ARMATEX® CRUCIBLE LID SEALS can be made to specifications unique to your application.


Using the very best THERMOPAK® Seals allows you, the customer, to have confidence in the protection of your processes.  Known for strength and durability under sustained high temperatures and extreme operating conditions,  the seals we manufacture act as an impenetrable barrier to the process they are safeguarding.

At Mid-Mountain, we are aware of the need to conserve energy and provide both personnel and environmental safety in mass aluminum production. That’s why we are striving tirelessly to provide environmentally conscious and energy-efficient products that enhance aluminum production.  Contact us for more information.