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Item # Monalite M1A, Molten Metal Contact Boards

Metalflow, Monalite, and Ultratemp-AL are strong, machinable, non-asbestos and inorganic Calcium Silicate board insulations for conveying, containing, handling and forming molten aluminum and other non-ferrous metals. Made of fibers, micro silica and ahydrothermally-produced inorganic binder, they are ideal materials for conveying and controlling the flow of aluminum. Manufactured for greater life and improved machining characteristics. High heat treatment removes excess water, and minimizes shrinkage that would normally occur in service. These unique board materials have many outstanding advantages. Metals do not adhere to them, even when they cool and solidify, so skull can be easily removed. They require no foundry facing wash, and do not lead to contamination of the metals. Molten metals are conveyed with less heat loss, so stay at a more uniform temperature, and therefore can be handled at a lower temperature. Because they have a low heat capacity, preheating isn't required. They are crack and shock-resistant, and offer cost efficiency through a long service life.

Specifications  · Applications



Monolithic Fiber Reinforced Calcium Silicate


60 lb/ft³

Maximum Operating Temperature

1562 ºF

Compressive Strength at 10% Deformation

2610 psi

Flexural Strength

1450 psi

Sheet Size

48 x 59 in
48 x 118
1220 x 1500
1220 x 3000

Available Thickness

1/2 to 4 in

Molten metal contact boards are heat treated calcium silicate formulations for use in conveying, containing and forming molten aluminum and other non-ferrous metals. Applications include holding furnace linings, tips for continuous casters, transition plates, hot top transition rings, plugs, baffles, skimmers, troughs, spouts, floats, distribution boxes, and filter boxes.


·  Molten Metal Contact Boards-2

·  Molten Metal Contact Boards-3


Data Sheet for Monalite
(PDF, 27KB)

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Foundry Service & Supplies, Inc. | Heat And Corrosion Resistant Industrial Insulation & Construction Materials