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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.

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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

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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

Z-LITE

Z-NOX

CharFlam brand offers non-halogenated products that promote char formation in intumescent flame retardant applications &amp; engineering resins.

CharFlam

APYRAL

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

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

Z-NOX® HD98 belongs to the antioxidant and stabilizer categories for both plastics and elastomers. Its chemical family is phenols, and it appears as a powder. This versatile product is compatible with various polymers and resins, such as polyamides and polyurethanes. Z-NOX® HD98 offers good processability, thermal stability, low color formation, and low volatility.

Z-NOX® HD98

CharFlam® 300-DP is a micronized di-pentaerythritol formulated for applications in intumescent flame retardants. It actively encourages the development of char while functioning as a robust physical barrier against the transfer of heat. Its extensive utilization spans across intumescent paints, coatings, and textiles, solidifying its role in these industries.

CharFlam® 300-DP

BroShield® 8408 is a flame retardant and plasticizer for plastics and elastomers, particularly PVC. This halogenated product offers good thermal stability and cost-effective performance. Its clear liquid form makes it easy to work with, especially in film applications. Certified under CERCLA, SARA 313, Clean Water Act (CWA), and California Proposition 65.

BroShield® 8408

Z-LITE® 119 emerges as an exceptional product for PP, PE, and PVC materials. It maximizes color yield, boasts low volatility, and functions as an efficient UV absorber. With its ability to enhance color yield in pigmented systems and its resistance to acidic environments, this product finds utility not only in PP, PE, and PVC but also in styrenics, elastomers, and adhesives.

Z-LITE® 119

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-NOX® TBM6 is an antioxidant designed for Plastics &amp; Elastomers applications. This essential additive, belonging to the chemical family of phenols, effectively counteracts oxidation processes. Z-NOX® TBM6 comes in a powdered physical form, making it suitable for use in multiple applications, including wires and cables. It enhances the material quality, stability, and performance of plastics and elastomers in the electrical and electronics industry, as well as other industrial uses.

Z-NOX® TBM6

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

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MagFlam® MDH-2 is a cutting-edge flame retardant solution featuring Magnesium Hydroxide. With its high purity grade, this powder ensures exceptional fire resistance. MagFlam® MDH-2 shines as a reliable choice for enhancing safety in various applications, including chemicals production and wire &amp; cable industries. As a flame retardant, it excels in both industrial manufacturing and electrical sectors, particularly for wire &amp; cable jacketing and insulation.

MagFlam® MDH-2

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

MagFlam® MDH-1 is a premium flame retardant solution designed to elevate fire safety in various applications. Composed of Magnesium Hydroxide, this high-purity grade powder is a versatile option for enhancing fire resistance. Ideal for chemicals production and wire &amp; cable applications, MagFlam® MDH-1 excels as a flame retardant in both industrial manufacturing and electrical sectors. Its high purity ensures top-notch performance, making it a reliable choice for demanding fire protection needs.

MagFlam® MDH-1

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