Frequently Asked Questions

Presented below are answers to questions customers frequently ask. If you have a question that is not listed below, please email us or call 800-648-7400 or 410-780-5500.

If you need assistance with product recommendations, or have a technical question, please call 410-780-5500, or send an email to send us an email for direction.

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How are orders placed?

Orders can be place by phone, email or fax as follows:

Phone: 410-780-5500
Fax: 410-780-5777
Email

How would a sales person be contacted?

Please visit our Contact Us page.

How is Credit Established with Martin Marietta Magnesia Specialties?

Complete the attached credit application and return to barb.labriere@martinmarietta.com, or via fax to 419-849-4274

How are Product Samples Obtained?

To request a product sample, please contact the sales person in your respective geography under the Contact Us page.

What is the procedure for having Martin Marietta Magnesia Specialties test wastewater samples?

Please complete the attached Wastewater Profile form and return via email to aileen.gibson@martinmarietta.com, or by fax to 410-780-5777

Where are MSDS and Product Data Sheets located?

  • MSDS documents
  • Product data sheets can be found on each of our dedicated product pages.

What are Martin Marietta Magnesia Specialties’ Office Hours and Holiday Schedules?

Office hours – 8:00AM to 5:00PM Eastern Standard Time
After hours emergency contact – 410-960-7724 (customer service), or 513-267-3007 (General Sales Manager)

Martin Marietta is closed for the following U.S. holidays:

  • New Year’s Day
  • Good Friday
  • Memorial Day (last Monday in May)
  • July 4th
  • Labor Day (first Monday in September)
  • Thanksgiving Day (fourth Thursday in November)
  • Friday after Thanksgiving
  • Christmas Day and the day before or after

How is MgO / Mg(OH)2 Manufactured?

Please visit our Just for Students page.

Is Morton Salt Now a Part of Martin Marietta Magnesia Specialties?

Martin Marietta Magnesia Specialties purchased the Morton Salt Specialty Magnesia business, to include the following products: Elastomag, Marinco FCC, and Versamag