Thermal Resistant Materials – Thermal Cements and Coatings

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Image Credit: Mid-Mountain Materials, Inc.

Mid-Mountain Materials, Inc. is an international manufacturer of a range of thermal resistant materials for various applications. The company has an extensive knowledge of diverse material technologies and its engineering capabilities enable it to manufacture innovative solutions

THERMOSEAL®

THERMOSEAL® range of refractory coatings, moldables, and cements from Mid-Mountain are thermal resistant materials developed particularly for use in extremely high-temperature environments. In order to withstand thermal contraction and expansion, the range is carefully engineered and benefits from high strength and very low shrinkage properties.

This range of thermal resistant materials is perfect for adhering seals and gaskets, as the effectiveness of the seals are guaranteed by the heat-resistant properties. The thermal resistant materials can also be pushed into holes or cracks, or formed into shapes and linings to offer protection against heat. These products also provide protection against flame erosion, thermal spalling, and molten metal corrosion.

Typical applications of the THERMOSEAL® range of refractory cements, moldables, and coatings include hearth products, lightweight refractory linings, trough coatings, and induction furnace coil coatings. This article offers an insight into the THERMOSEAL® products supplied by Mid-Mountain.

Thermal Cements

THERMOSEAL® Thermal Cements are thermal resistant materials designed to withstand thermal expansion and contraction under varying heat conditions.

THERMOSEAL® 1000 and THERMOSEAL® 1000 SF cements are silicate pastes with a maximum temperature resistance of 1000 °F. As they are cured in air in around 24 hours, difficult or expensive curing processes are not required. General applications of these cements are brick repair, firebox and to adhere metal to metal (for THERMOSEAL® 1000) and to fill stove and pipe cracks, and to adhere metal to fiberglass (THERMOSEAL® 1000 SF).

THERMOSEAL® 2000 is a thick cement with a high use limit of 2000 °F. This cement is especially valuable for placing gaskets and seals in fireplaces, furnaces, and wood and coal stoves.

Refractory Moldables

THERMOSEAL® Refractory Moldables are thermal resistant materials that are available in high as well as low-density formulas. They can be pushed into cracks and holes, formed into shapes, or spread into thin sections as surface coatings.

THERMOSEAL® M22 is a pumpable sticky paste which can be easily formed into lightweight refractory shapes. Its maximum use temperature is 2300 °F. Most of the features of THERMOSEAL® M22 DRY MOLDABLE are same as M22, but it has a dry consistency and is mixed with water to produce the required consistency.

THERMOSEAL® M33 is resistant to molten metal alloy attack and has a use limit of 1830 °F. This thermal resistant material has extremely low thermal conductivity and heat transfer, making it useful for patching, sealing, and coating in troughs and furnaces.

THERMOSEAL® M44 and M75 are non-wetting moldables, which are made up of bulk refractory fibers that form a non-sticky putty. Similar to M33, these moldables have a use limit of 1830 °F and can be used as a high-temperature filler and binder system.

Thermal Coatings

THERMOSEAL® Thermal Coatings are usually used to offer protection against thermal spalling, flame erosion, and molten metal corrosion. They can be effortlessly applied by spraying, dipping, or rolling for a consistent finish over the total surface.

THERMOSEAL® P110 and P120 are both white coatings that have use limits of 2300 °F. While P120 has a light paste consistency, P110 is a thick paint, with a typical layer thickness of 2 mm. The heavy green paste P130 also has a use limit of 2300 °F. The typical layer thickness of this coating is 10 mm.

P162 is another coating that has the consistency of a thick paint. This thermal resistant material is black and has a lower use limit when compared to other coatings at just 500 °F, making it appropriate for applications where extremely high temperatures are not reached.

For information about the THERMOSEAL® range of thermal resistant materials, customers can contact Mid-Mountain Materials, Inc.

This information has been sourced, reviewed and adapted from materials provided by Mid-Mountain Materials, Inc.

For more information on this source, please visit Mid-Mountain Materials, Inc.

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