Browse Products by Technology

Browse Products by Market

Products

Brands

Formulations

Documents

Experts

Martin Marietta Magnesia Specialties, LLC, a subsidiary of Martin Marietta, is a leading producer of high purity magnesium oxide and magnesium hydroxide products, which are used in a variety of environmental, industrial, chemical, and specialty applications.

With its primary manufacturing facilities in Manistee, Michigan (magnesia plant) and Woodville, Ohio (dolomitic lime plant), Martin Marietta Magnesia Specialties also employs global and domestic distribution points to better serve its customers both domestically and worldwide.
Woodville-Cropped-sm
Environmental grade magnesia applications include: water treatment, wastewater treatment, flue gas desulfurization, and hydrogen sulfide control.

Industrial grade magnesia applications include: refractories, lubricating oils, abrasives, construction/cements, electrical heating elements, glass manufacture, pulp bleaching, metal mining, and sugar refining.

Chemical grade magnesia applications include: raw material in the manufacture of magnesia salts such as magnesium sulfate, magnesium nitrate and fuel additives.

Specialty grade magnesia applications include: synthetic rubber compounding, plastics, coatings, silicon grain oriented steel manufacture, and food grade (FCC).

Privacy

Terms & Conditions

Terms of Sale

Cookie Policy

MagChem® magnesium oxides including MagChem 30, 35, 40 and 50 are used to produce overbased magnesium sulfonates and magnesium salicylates that serve as fuel additives and motor oil detergents. MagChem’s high purity, uniform calcination and fine particle size generate sulfonates and salicylates with high base numbers and good clarity.

MagChem

Elastomag

MagShield® is a non-halogenated, high purity magnesium hydroxide powder for use as a flame retardant and smoke suppressant in plastic compounds for thermoplastic olefins, plastic building materials, select wire and cable applications, and plastic fillers and coatings.

MagShield

MagChem® 40 is a high purity, light burned magnesium oxide produced from magnesium-rich brine and dolomitic lime. This fine white powder has a very high reactivity index and a low bulk density.

MagChem® 40

MagShield® UF magnesium hydroxide is achemically precipitated grade of magnesium hydroxide with a median particle size of 1.0 micron and produced from magnesium-rich brine and dolomitic lime. It is designed for critical, non-halogen flame retardant applications such as select wire and cable insulation and other thin section applications.

MagShield® UF

MagShield® UF NB 10 magnesium hydroxide is achemically precipitated grade of magnesium hydroxide with a median particle size of 1.0 micron and produced from magnesium-rich brine and dolomitic lime. It is designed for critical, non-halogen flame retardant applications such as select wire and cable insulation and other thin section applications. MagShield UF NB10 has been treated with a stearate coating that is fully bonded to the magnesium hydroxide to improve dispersion, handling and physical properties of the compounded plastic.

MagShield® UF NB 10

Elastomag® 170 magnesium oxide is a micronized, high reactive grade of magnesium oxide made from magnesium-rich brine and dolomitic lime at our Manistee, Michigan plant.

Elastomag® 170

Elastomag® 100 magnesium oxide is a high activity grade of magnesium oxide with lower activity thanstandard Elastomag 170. Elastomag 100 is made from magnesium-rich brine and dolomitic lime at our Manistee, Michigan plant.

Elastomag® 100

MagShield® S is a chemically precipitated grade of magnesium hydroxide made from magnesium-rich brine and dolomitic lime. It is designed for non-halogen flame retardant applications and can be processed in plastics at higher temperatures than alumina trihydrate.

MagShield® S

MagChem® 200 AD is a high purity, highly reactive micronized magnesium oxide powder produced from magnesium-rich brine and dolomitic lime.

MagChem® 200 AD

MagShield® S NB 10 is a chemically precipitated grade of magnesium hydroxide made from magnesium-rich brine and dolomitic lime. It is designed for non-halogen flame retardant applications and can be processed in plastics at higher temperatures than alumina trihydrate. The fatty acid coating is bonded to magnesium hydroxide and allows for the use of other processing aids.

MagShield® S NB 10

Elastomag® 170 Special is similar to Elastomag 170 magnesium oxide but tested and assured to have a median particle size of &lt; 3 microns. Elastomag 170Special is made from magnesium-rich brine and dolomitic lime at our Manistee, Michigan plant.

Elastomag® 170 Special

Martin Marietta Magnesia Specialties

Martin Marietta Magnesia Specialties, LLC, a subsidiary of Martin Marietta, is a leading producer of high purity magnesium oxide and magnesium hydroxide products, which are used in a variety of enviro

Magnesia Specialties - Magnesium Oxide - Magnesium Hydroxide

Website

Knowde is the first marketplace for chemicals, polymers and ingredients. Our leading-edge digital capabilities connect thousands of sellers and buyers every day.

Other Plastic Additives - Polymer Additives - Plastics - Martin Marietta Magnesia Specialties - Knowde

Job Title

Shipping Terms

Name

and the data associated with it — permanently.

This is a Premium Feature

Changes to filters have not been applied.

Discard changes?

{userCompanyName} notice

In order to join {userCompanyName} on Knowde, you must use your business email address.

Business already on Knowde

{userCompanyName} requires all users on {companyName} to register with their business email address to ensure confidentiality and security.

{userCompanyName} requires registering your business email address

There's only a little ways to go.

Creating an account is free and the only way to directly download documents, order samples, request quotes and use direct messaging.

Quit Sign Up?

Tell us about {userCompanyName}

from concierge@knowde.com

Click the link in the email, or enter the 6-digit code

Verification email sent

Since you’re using a personal email address, we require proof to verify the information you have provided.

Please verify your account

Please go back and enter in an email address that is directly associated with a business.

Knowde is built for businesses

Also, using a personal email for creating your {companyName} account may require additional verification of your company details.

We recommend signing up with a work email address to get faster responses, especially when requesting samples, documents, and more.

Please enter your business email address below.  We’ll send you a confirmation code to quickly verify.

Enter your business email

{companyName} uses Knowde for account management so you can manage all of your sample requests, RFQs, orders and more in one place.

Knowde is for businesses, you may have a hard time receiving responses to your requests if you use a personal email address.

to {email}

We sent an email to {email}

Please click the link to reset your password

Check your email

Create a new password

Password expired

Sign in to {companyName}

Enter a new secure password

Change your password

Enter the email address associated with your account

Reset your password

Enter your password for

Use your Knowde password to sign in:

Please provide additional information to help us verify your company.

Terms and Conditions

Compare multiple products at once and find the best fit for your project needs.

Why is this important?

Enter your password

Unlock your account

Knowde is the world’s biggest marketplace to search for ingredients, polymers, and chemistry. You can:

Welcome to Knowde

View All Products

Cart

Please fix the following before proceeding to payment

An order receipt has been emailed to {email}

Order

This feature is currently unavailable at this screen size.

Payment

Shipping

Checkout

KEEP IN MIND

You will lose any existing chat history by starting a new chat.

Start a new chat?

Compare Products

This document is restricted content.

If you believe you should have permission to this document, please request access.

Restricted Access

It only takes 60 seconds to create an account.

Available {documentType} documents for this product ({counter})

Describe Documents You’d Like to Request

Invalid job title

That’s not the reaction we were expecting.

Page not found - Store for chemicals, polymers and ingredients

Internal Server Error - Store for chemicals, polymers and ingredients

Unexpected error occurred. Please contact us.

Client Side Exception - Store for chemicals, polymers and ingredients

Show products with

Filters

Featured Products

Flavor & Taste Explorer

Flavor Families

Enter your inquiry here, include as much detail as you’re able. *

To submit an inquiry to {companyName}, please fill out the form below and click Submit. They will get back to you as soon as they’re able.

Home Page

Request samples, documents, and quotes directly from suppliers

{companyName} experts - Knowde

Knowde is the first marketplace for chemicals, polymers and ingredients. Our leading-edge digital capabilities connect thousands of suppliers and customers every day.

Chemicals Marketplace - ingredients & raw materials - Knowde

Learn how to take full advantage of the free to use tools that you have unlocked.

Explore the capabilities of the platform and get immediate assistance for your needs with one of our experts.

Schedule a Demo

You’ll meet with Kiana from our Knowde Marketplace Team

Explore the capabilities of the platform and get immediate assistance for your needs.

Learn how you can make the most of the free tools now available to you.

Explore the capabilities of the platform with our dedicated team.

Weekly Webinar

See which others might better fit your needs.

This is just one of {allProducts} products on Knowde.

BROWSE BY

Knowde for Suppliers

Most popular categories

Gain instant access to our marketplace of over 250,000 chemicals, ingredients and polymers from 8,000 suppliers. Browse, search, and filter to quickly compare products, find information, request documents, order samples, and get quotes directly from suppliers.

Search and filter over 250,000 chemicals, ingredients and polymers, access documents and download starter formulations. Interact with over 8,000 suppliers whose representatives are ready to help. Sign up for a free Knowde Marketplace account today.

Create a free account to gain instant access to our marketplace of over 250,000 products and their documents.

Get new products to market faster with a free Knowde Marketplace account

The fastest way to find the right raw materials for your products

Want to explore more products?

Popular {companyName} Products

Start Order

Get a Quote

{price} each for {name}

1 of {brandProductsCount} products in this brand

This will be used for any follow-up questions so we can best meet your needs

Please fill out the form below to help {companyName} prepare your quote

Your request has been sent to {companyName}

This information will help us get you the right materials.

All Categories

{numberOfResults, plural, one {Brand} other {Brands}}

{numberOfResults, plural, one {Product} other {Products}}

Search Tips

{charactersCounter}/{limitCharacters} Characters

Visit

Your account has been verified. You now have access to the full power of {companyName}

The quantity your business will require annually, if the sample product suits your project's needs.