Mantrose-Haeuser Co., Inc. is a world leader in edible coatings and specialty products for the pharmaceutical, confectionery, agricultural, food and industrial industries.  Founded over 100 years ago, Mantrose is a subsidiary of RPM International, Inc.; a specialty coatings company traded on the New York Stock Exchange under the symbol RPM. To learn more about RPM's values and expectations, see the Code of Conduct.

Mantrose is a leading producer of globally certified USP/EP/JP pharmaceutical glaze for pharmaceuticals, nutritional supplements and vitamins.  The Company also offers various globally certified custom-designed sealers, finishes, adhesives and barrier coatings for the pharmaceutical industry.

For decades, Mantrose-Haeuser's confectionery glazes, gum coats, polishes and anti-stick agents for gummies and licorice have become confectioner's most trusted ingredients. 

The NatureSeal Division continues to diversify its product line and is known for high quality formulations that keep cut produce fresh. NatureSeal® is allergen-free, sulfite-free and kosher certified.  NatureSeal for apples was jointly developed and patented with the USDA-ARS and we continue to work with the USDA on new and exciting projects that will further the consumption of fresh-cut produce. 

The NatureSeal product line has grown to include formulations that treat everything from avocados and carrots to potatoes and papayas. 

In addition to the fresh-cut fruit and vegetable formulations, our UK division, AgriCoat NatureSeal Ltd. offers natural, edible coatings that are designed to enhance the quality, yield and profitability of fresh fruit and vegetables.  The product line includes pre-harvest, post-harvest and fruit coatings that effectively extend the storage and shelf-life of whole fruit. 

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Corporate U.S. Office
Mantrose-Haeuser Co., Inc.
1175 Post Road East
Westport, Connecticut  06880

203.454.1800 (phone)
800.344.4229 (toll-free)
203.227.0558 (fax)

Research & Development
Mantrose-Haeuser Co., Inc.
6 Blackstone Valley Place
Unit 601-603
Lincoln, RI 02865

203.454.1800 (phone)
401.333.8005 (fax)

Corporate U.K. Office
Mantrose UK Ltd.
7B Northfield Farm
Great Shefford,
Berkshire, England
RG17 7BY

+44.0.1488.648988 (phone)
+44.0.1488.648890 (fax)

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An RPM Company

Address:1175 Post Road East, Westport, CT 06880 Phone:800-344-4229 Fax:203-227-0558 Terms and Conditions