Refractory Coatings

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Refractory Coatings
HA International provides a complete range of refractory coatings to meet all of your foundry needs.

Refractory coatings are used on molds and cores to enhance the surface finish of the casting and reduce casting defects which occur at the sand-metal interface.

Mold Lite Plus is an HAI's newest alcohol based refractory coating product line designed for large scale iron and steel castings and is designed for use with all No Bake resin systems. The Mold Lite Plus product line incorporates newer, more cost effective refractories in its formulations. Click here to learn more.

Dura Kote is an HAI's newest water based refractory coating product line designed for large scale iron and steel castings and is designed for use with all No Bake resin systems. The Dura Kote product line incorporates newer, more cost effective refractories in its formulations. Click here to learn more.

In 2007, HA International introduced a premier refractory coating product line, the Techni Kote 6000 Series. It provides better coating efficiency and improves the quality of castings. A reduction in overall operational expenses is achieved with lower scrap rates, increased coating mileage, elimination of sand additives, and reduced cleaning room costs. Click here to view our Techni Kote 6000 Series product offerings.

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HA International introduces its newest line of products committed to our ecology. Formulated with renewable and environmentally advantageous carriers EZ Lite adds environmental value. EZ Lite is an ethanol based coating system. HAI's newest product line offers the convenience of total product sourcing, and single system pricing. Click here to view our EZ Lite product offerings.

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The Refractory System
The refractory system is the most important part of the coating, as it will determine the effectiveness of the coating. The type, shape, size distribution, thermal expansion, chemical reactivity, thermal conductivity and specific gravity are the basic criteria for selection of the proper refractory.

The most commonly used liquid carriers are water and alcohol. The suspension system must keep all of the refractory material and other additives homogeneously dispersed. The binder system is designed to bond the refractory particles to each other and the sand matrix and are used in very small amounts. Finally, chemical modifiers are used to enhance the coating with wetting agents, defoamers, preservatives and stabilizers.

Browse Our Refractory Coating Products
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How Refractory Coatings Are Made
Click here to learn more about the Six Sigma improvements HAI has made in the manufacturing of refractory coatings to maintain our leadership position in the foundry industry.

How to Mix Refractory Coatings
Click on the following links for instructions on mixing our Refractory Coatings products.

Premix Instructions	Paste Instructions
Water-Based Premix Coatings	Water-Based Paste Coatings
Alcohol-Based Premix Coatings	Alcohol-Based Paste Coatings