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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

APYRAL

Z-LITE

Polyfill

Z-NOX

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

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

BroShield® 21B is an efficient Flame Retardant additive designed for both plastics and elastomers. Its brominated, high-purity composition ensures outstanding thermal stability and flame resistance. With a white powder form, this additive is compatible with various polymers including ABS, HIPS, PET, polyolefins, LDPE, PBT, PC, polyamides, PP, TPE, and PC/ABS Alloy. It is known for being halogenated and diphenyl oxide-free, enhancing safety. BroShield® 21B's cost-effective nature makes it a preferred choice. Its solid physical form makes it easy to handle.

PhosGard® APP-WS is a unique product because it is a 100% water-soluble grade of Ammonium Polyphosphate. Its fine white powder appearance sets it apart, and it serves as an effective non-halogenated flame retardant specifically designed for textile applications. The full chemical name of this product is Ammonium Polyphosphate.

PhosGard® APP-WS

PhosGard® MPP-Poly takes the form of a high-purity melamine polyphosphate with excellent thermal stability, showcased by its fine white powder appearance. This product proves to be an effective non-halogenated flame retardant, finding utility in water-based coatings, polyurethanes, thermosets, and polyolefins.

PhosGard® MPP-Poly

CharFlam® 400 is a remarkable flame retardant additive tailored for a diverse range of polymer applications. This innovative solution falls under the category hierarchy of polymer additives, focusing on both flame retardancy and performance enhancement. With compliance with TSCA (USA) chemical inventories, CharFlam® 400 ensures regulatory adherence. Its composition, featuring melamine cyanurates, positions it as an efficient flame retardant for various polymers like ABS, polyamides, PBT, PE, and PP. Additionally, it serves as a synergist in plastics and elastomers, enhancing their flame retardant capabilities.

CharFlam® 400

Z-LITE® 783 is a high-quality additive designed to function as a Hindered Amine Light Stabilizer (HALS) for plastics and elastomers. Its compatibility extends to various polymers, including polyamides, HDPE, LLDPE, LDPE, PE, PP, PU, and PVC. With a physical form of pastilles, Z-LITE® 783 boasts properties such as extraction resistance, low volatility, and being odorless.

Z-LITE® 783

Z-LITE® 94 emerges as an effective hindered amine light stabilizer for polyolefin and other polymers. Its appearance varies between white or pale yellow powders or granules. This HALS finds efficacy in polyamides, PVC blends, and rigid and flexible PVC, distinguished by low volatility, low extractability, and minimal migration rate from polymeric substrates, ensuring stability in various applications.

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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BroShield® 310 is a versatile flame retardant polymer additive tailored for various plastics and elastomers. Falling within the flame retardants category of polymer additives, this product is specifically designed to enhance safety. Its compatibility spans polymers like ABS, polyamides, PBT, and PET. BroShield® 310 offers a range of benefits, including being brominated, flame retardant, and possessing good processability, thermal stability, and UV stability. With a focus on non-blooming properties, BroShield® 310 is an ideal choice for achieving both performance and safety in polymer applications.

BroShield® 310

BroShield® 67B is a flame retardant additive suitable for both plastics and elastomers. This product is brominated and offers high purity, ensuring good thermal and UV stability. Its chemical composition, N,N-Ethylene-bis(tetrabromophthalimide), belongs to the brominated compounds family. With excellent light stability and non-blooming characteristics, BroShield® 67B is ideal for a range of polymers including ABS, HIPS, PBT, PET, PVC, PC/ABS Alloy, PP, PPE, and TPE.

BroShield® 67-B

BroShield® 70B is a non-blooming additive flame retardant distinguished by its white powder appearance. It finds suitability in applications like PP and HIPS, allowing them to achieve class V-2 per the UL 94 standard. Its exceptional UV and light stability, combined with a high melting temperature, facilitates the production of highly filled master batch concentrates. Moreover, it's compatible with ABS, XPS, alloys, and adhesives, spanning construction and electronics applications.

BroShield® 70-B

BroShield® 64-B is a brominated flame retardant renowned for its exceptional thermal stability. Particularly outstanding in high-temperature applications, this product's resilience is further amplified by its UV resistance, effectively combating discoloration. Its compatibility with polyesters and polyamides, coupled with its non-blooming properties, positions it as a top-performing flame retardant solution.

BroShield® 64-B

BroShield® 68B is a flame retardant designed for use in plastics and elastomers. It offers excellent flame resistance properties and good thermal stability. This product contains Tetrabromobisphenol A bis(dibromopropyl ether) as its main chemical compound. BroShield® 68B is available in a powder form and is compatible with various polymers and resins, including polyolefins, polyamides, PE, PP, and TPE.

BroShield® 68-B

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

BroShield® 245 is a flame-retardant polymer additive suitable for plastics and elastomers. This brominated powder contributes flame retardancy and non-blooming properties, while also providing good thermal stability and UV stability. It is compatible with materials like ABS, HIPS, PBT, PC, and PC/ABS Alloy. The chemical name is 2,4,6-Tris-(2,4,6-tribromophenoxy)-1,3,5-triazine. The product complies with various regulations including TSCA (USA), CERCLA, SARA 313, Clean Water Act (CWA) certification, and California Proposition 65.

BroShield® 245

BroShield® 25B is a potent flame retardant for industrial applications. This powder, characterized by its white color, belongs to the brominated compounds family. Its chemical composition, Bis[3,5-dibromo-4-(2,3-dibromopropoxy)phenyl] sulphone, offers excellent thermal stability, ensuring reliable performance. BroShield® 25B is compliant with TSCA (USA) regulations and is conveniently packaged in bags. This solution excels in providing effective flame resistance and is a valuable addition to industrial additive portfolios.

BroShield® 25-B

BroShield® 310 is a versatile flame retardant polymer additive tailored for various plastics and elastomers. Falling within the flame retardants category of polymer additives, this product is specific

BroShield® 310 - St. Louis Group - Knowde

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