Browse Products by Market

Browse Products by Technology

Products

Brands

Formulations

Documents

Experts

St. Louis Group (SLG) and Zeller Polymer Solutions, an affiliate of St. Louis Group, have the same overarching commitment to excellence and innovation while bringing a wealth of expertise to the chemical additives industry.Founded in 2010, St. Louis Group has since grown into a leading supplier of Flame Retardants (FRs) and Smoke Suppressants with a diverse portfolio. SLG’s alliances with a global network of suppliers, in combination with our domestic manufacturing operations, allow us to offer halogenated and non-halogenated solutions to our customers. Due to our broad product lines and knowledge of additive, reactive, intumescent, and low smoke mechanisms, SLG is able to also provide tailor made low viscosity solutions to meet the most stringent flammability and smoke requirements. Our industry experience, reliable supply channels, cutting-edge technologies, custom offerings, and unsurpassed commitment to customer service make SLG your preferred choice in the industry.Zeller Polymer Solutions specializes in Antioxidant and UV Light Stabilizer solutions. Our team of experts are equipped with decades of experience in the chemical additives industry with the primary goal to exceed the expectations of our customers, both present and future. At Zeller, we understand the importance of efficient logistics and prompt delivery. With our robust global logistics capabilities and our strategically located warehouses, we ensure that our products reach customers around the world in a timely manner. We pride ourselves on delivering products of the utmost quality while still constantly driving innovation to provide you with the latest solutions and technologies. Zeller’s unwavering commitment to unparalleled customer service ensures that your needs are always our top priority. With our extensive global capabilities, we not only guarantee high-quality products but also strive to offer them at competitive prices, resulting in cost savings for our customer.Together, St. Louis Group and Zeller Polymer Solutions are at the forefront of the chemical additives industry, delivering excellence, innovation, and customer-focused solutions on a global scale.

Manufacturing & Operations

Please reach out to me with any questions, I am happy to assist you in finding the right product or learning more about our storefront

Marketing

Marketing Specialist

Executive/Management

Vice President - General Manager

BroShield® 21-B is a high purity, non-diphenyl oxide, brominated flame retardant with excellent thermal stability.

BroShield® 21-B

BroShield® RB-11 is an efficient flame retardant for achieving the ASTM E-84 flammability test. The high halogen content & low viscosity make it a suitable choice over diols.

BroShield® RB-11

PhosGard® 140 is a low viscosity tris (2-butoxyethyl) phosphate that acts as an effective leveling agent and defoamer.

PhosGard® 140

PhosGard® NH4 is a halogen free phosphate flame retardant/plasticizer that demonstrates very low scorch & volatility.

PhosGard® NH4

SmokeShield® ZB4 is a fine particle sized zinc borate smoke suppressant. It also acts as a flame retardant synergist and a partial replacement of antimony oxide.

SmokeShield® ZB4

SmokeShield® ZM-2 is a high performance, non-molybdenum, low cost AOM replacement smoke suppressant with excellent thermal stability.

SmokeShield® ZM-2

Z-LITE® 94 is an effective hindered amine light stabilizer used in polyolefin and other polymers.

Z-LITE® 94

Z-NOX® 1076 is a hindered phenolic antioxidant that is suitable for thermoplastics and synthetic fibers.

Z-NOX® 1076

Privacy

Terms & Conditions

Terms of Sale

Cookie Policy

St. Louis Group is an established &amp; viable supplier of brominated flame retardants. We are a domestic manufacturer of brominated polyols and blends. We also have contract manufacturing operations in China. Specialty dispersions and masterbatches are available upon request.

BroShield

St. Louis Group is one of the largest volume suppliers of antimony trioxide (ATO) in the US market. We are vertically integrated with mining and production operations in Bolivia and have contract manufacturing operations in China. Specialty dispersions and masterbatches are available upon request.

FireGard

Our FireBlend® line offers alternatives to antimony trioxide. We produce these proprietary products domestically and tailor them to flame retardant requirements.

FireBlend

St. Louis Group offers a wide range of highly effective liquid &amp; powder phosphorus based flame retardants. Specialty dispersions, blends, and masterbatches are available upon request.

PhosGard

St. Louis Group manufactures and distributes a comprehensive line of smoke suppressants that include traditional smoke suppressants, as well as low cost AOM alternatives and high-performance proprietary blends.

SmokeShield

APYRAL

Polyfill

PolyJet

St. Louis Group offers a variety of magnesium hydroxide halogen free flame retardants.

MagFlam

St. Louis Group ATS-325 is also known as Antimony (III) Sulfide, is a versatile compound tailored for various applications. It is crucial in ammunition manufacturing, pyrotechnics, and brake lining production. With its distinctive properties, this powdered substance contributes to the safety and performance of automotive, industrial, and military sectors. Available in convenient bags, it aligns with technology advancements and finds relevance in base chemicals, automotive, and defense markets.

St. Louis Group ATS-325

St. Louis Group Antimony Metal is a versatile ingot form of antimony, serving a range of vital roles. This metal finds its significance in applications such as batteries manufacturing and soldering flux, contributing to the creation of cables and supporting electrical and electronics markets. As an essential component in technical salts and inorganics, it embodies the prowess of antimony compounds. Antimony Metal is available in 4 grades: G1,G2,G3,G4.


St. Louis Group Antimony Metal

St. Louis Group ATS-200 is a versatile compound with various applications. It finds use in ammunition manufacturing, pyrotechnics, and as a key ingredient in brake linings. With a chemical name of Antimony (III) Sulfide, this black powder is available in bags for easy handling. Its distinct properties make it an essential component in the automotive, transportation, industrial, and military sectors, enhancing safety and performance.

St. Louis Group ATS-200

PhosGard® 300 is a product that represents a highly efficient phosphorus flame retardant system that is insoluble in water and organic solvents. PhosGard® 300 has a white powder appearance which makes it suitable for both thermoplastics and thermosets, offering effective non-halogenated flame retardancy.

PhosGard® 300

Z-LITE® 1084 is an effective solution with a focus on enhancing light stability, Z-LITE® 1084 also functions as a UV absorber (UVA), making it a valuable choice for plastic and elastomer applications. It is compatible with polyethylenes (PE) and polypropylenes (PP), offering good stability and heat dissipation. This product finds application in various end uses including decorative materials such as artificial turf and agricultural films.

Z-LITE® 1084

PhosGard® APP-SC is a white powder chemical additive identified as Ammonium Polyphosphate, belonging to the polyphosphates and ammonium salts chemical families. Primarily functioning as a flame retardant in waterborne and intumescent coatings, it's suitable for textiles and various surfaces. Compliant with TSCA regulations, it's available in both bags and super sacks for convenient usage. Notably, PhosGard® APP-SC is halogen-free, enhancing its environmental profile while effectively bolstering fire safety in coatings.

PhosGard® APP-SC

PhosGard® APP-MC emerges as a melamine-coated, fine particle crystal phase II modified Ammonium Polyphosphate, seen in its fine white powder form. Its role aligns with that of an effective non-halogenated flame retardant suitable for water-based coatings, polyurethanes, thermosets, and polyolefins.

PhosGard® APP-MC

Z-LITE® 24 is a UV Absorber (UVA) designed for plastics &amp; elastomers applications. This product, known chemically as benzophenone-1, effectively absorbs ultraviolet (UV) radiation, providing protection against UV-induced degradation. Z-LITE® 24 functions as a safeguard for both plastics and elastomers, enhancing their durability and lifespan in various technological uses.

Z-LITE® 24

Z-LITE® 22 is an antioxidant and stabilizer for plastics and elastomers. It's compatible with various polymers such as ABS, PC, PVC, polyolefins, and more. This powder form additive conforms to chemical inventories and has a range of benefits, including excellent compatibility and low odor.

Z-LITE® 22

St. Louis Group

St. Louis Group (SLG) and Zeller Polymer Solutions, an affiliate of St. Louis Group, have the same overarching commitment to excellence and innovation while bringing a wealth of expertise to the chemi

St Louis Group - Flame Retardants - Smoke Suppressants - Knowde

Website

LinkedIn

Identification & Functionality

Features & Benefits

Applications & Uses

Properties

Regulatory & Compliance

Technical Details & Test Data

Safety & Health

Packaging & Availability

Storage & Handling

Innovation Hub

PhosGard® 770 appears to be a high-purity phosphorus/nitrogen intumescent flame retardant system with good thermal stability, as showcased by its white powder appearance. PhosGard® 770 is developed specifically for polyolefins and thermoplastic elastomers, standing as an effective non-halogenated flame retardant in these applications.

PhosGard® 770

PhosGard® 1250 is an effective flame retardant solution enriched with Diethyl bis(2-hydroxyethyl)aminomethylphosphonate, a member of the Phosphonates chemical family. This halogen-free additive is designed for industrial applications, particularly as a flame retardant. Enhance the safety of your processes with PhosGard® 1250, a valuable addition to our range of processing additives.

PhosGard® 1250

PhosGard® 600 is a high-purity phosphorus/nitrogen intumescent flame retardant system, featuring low water solubility and good thermal stability. PhosGard® 600 has a white powder appearance, which signifies its role as an effective non-halogenated flame retardant suitable for engineering resins, thermosets, adhesives, and coatings.

PhosGard® 600

PhosGard® APP-BG presents a high phosphorus content, showcased in its fine white powder form. This non-halogen flame retardant, PhosGard® APP-BG functions effectively either alone or in conjunction with other flame retardants or synergists, with primary applications in intumescent coatings and systems.

PhosGard® APP-BG

PhosGard® RDP is a halogen-free phosphate ester flame retardant, appearing as a transparent to pale-yellow liquid. PhosGard® RDP offers low volatility and high heat stability, making it an ideal choice for flame retardancy in engineering resins, especially in foam applications.

PhosGard® RDP

PhosGard® 200 is a product that presents itself as a halogen-free phosphate ester flame retardant, noticeable by its white powder appearance. Notable for its good hydrolytic stability and high heat resistance, it proves effective in PC, PC/ABS, PPO/HIPS, and ABS applications.

PhosGard® 200

PhosGard® 675 shares similarities with PhosGard® 670 as a high-purity reactive non-halogen flame retardant, appearing as a transparent amber liquid. Its purpose aligns with that of PhosGard® 670, which is used as a non-halogen-reactive flame retardant for polyurethane foams and polyurethane coatings. The product offers excellent hydrolytic stability and high flame retardancy efficiency.

PhosGard® 675

PhosGard® 150 takes the form of a halogen-free phosphate-based flame retardant, characterized by its transparent liquid form. With a notably high phosphorus content, it's especially recommended for use in thermosets, particularly unsaturated polyester. It also finds utility in rigid polyurethane foams.

PhosGard® 150

PhosGard® 155 is a halogen-free phosphate-based flame retardant presented in transparent liquid form with similar attributes to PhosGard® 150. Notably, PhosGard® 155 boasts a significantly high phosphorus content, making it an ideal choice for thermosets, particularly in unsaturated polyester applications. Additionally, this product proves suitable for various uses, including rigid polyurethane foams, coatings, adhesives, sealants, and elastomers.

PhosGard® 155

PhosGard® 770 appears to be a high-purity phosphorus/nitrogen intumescent flame retardant system with good thermal stability, as showcased by its white powder appearance. PhosGard® 770 is developed sp

PhosGard® 770 - St. Louis Group - Knowde

Functions

Compatible Polymers & Resins

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

Try searching different page above. You'll find what you're looking for there.

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

{charactersCounter}/{limitCharacters} Characters

PhosGard® 770

Popular St. Louis Group Products

PhosGard® 1250Functional Additives, Foam Additives, Additives, Processing Aids
View

PhosGard® 600Functional Additives, Flame Retardants, Additives, Polymer Additives
View

PhosGard® APP-BGFunctional Additives, Additives
View

Knowde Enhanced TDS

PhosGard® 770

PhosGard® 1250Functional Additives, Foam Additives, Additives, Processing AidsView

PhosGard® 600Functional Additives, Flame Retardants, Additives, Polymer AdditivesView

PhosGard® APP-BGFunctional Additives, AdditivesView

Knowde Enhanced TDS

PhosGard® 1250Functional Additives, Foam Additives, Additives, Processing Aids
View

PhosGard® 600Functional Additives, Flame Retardants, Additives, Polymer Additives
View

PhosGard® APP-BGFunctional Additives, Additives
View