Marinite A

Marinite A

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A strong, machinable, non-asbestos, inorganic board insulation for conveying, containing, handling and forming molten aluminum and other non-ferrous metals.

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A strong, machinable, non-asbestos, inorganic board insulation for conveying, containing, handling and forming molten aluminum and other non-ferrous metals.

Marinite A Advantages

This unique board has many advantages, metals do not adhere to it, even when they cool and solidify. It requires no foundry facing wash and will not lead to contamination of the metals. Molten metals convey with less heat loss, at a more uniform temperature and therefore can be handled at a lower temperature.

Marinite A Applications

Potential applications include floats, spouts, stopper pins, distribution boxes, dams, baffles, filter boxes, troughs and head boxes.

Marinite A Product Downloads

Marinite A Physical Properties

  • Thickness - 1/2", 3/4", 1", 1-1/4", 1-1/2", 2", 3"

  • Density - 65 pcf

  • Max Operating Temp - 1500º F (in aluminum contact applications)

  • Compressive Strength - 2400 psi

  • Thermal Conductivity (btu in/ft², hr,ºF) - 1.92 (800º F) 1.95 (1000º F) 1.99 (1100º F)


Marinite is a registered trademark of BNZ Materials, Inc.

Product data provided is not a complete set of specifications for this product. A complete set of specifications is available upon request. Any purchase or use of this product without such a request, provision and reading of the complete specifications, product data and instructions for use is at the customer’s own risk. Red Seal Electric disclaims all warranties, express or implied, including, but not limited to, the warranty of merchantability and the warranty of fitness for a particular purpose. 06/97