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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-NOX

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

MagFlam

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

CharFlam

APYRAL

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® 1076 is an antioxidant mainly utilized in the electrical and electronics market segment, particularly for wire and cable applications like jacketing and insulation. It falls under both polymer additives and elastomer additives categories, functioning as an antioxidant. This product is compatible with various polymers and resins including acrylics, ABS, polycarbonates, polyethylenes, polyoxymethylene, polypropylenes, polyurethanes, PVC, and polystyrenes.

Z-NOX® DLTDP is an effective product tailored for use in polyolefins and styrenic polymers. Notably, it avoids discoloration or staining while acting as a proficient antioxidant stabilizer. Its role includes safeguarding against thermal oxidative degradation, making it an essential addition to polyolefins and styrenic polymers to ensure stability and aging resistance.

Z-NOX® DLTDP

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

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

PhosGard® CU is a highly active colorless to amber liquid phosphonate flame retardant, ideal for various applications. Especially suitable for treating textiles, it boasts high phosphorus content and compatibility with fabric types, notably polyesters. This cyclic phosphonate flame retardant serves as an efficient non-halogen option for both flexible and rigid PU foam, offering enhanced fire safety.


PhosGard® CU

Z-LITE® 28 is a potent ultraviolet absorber specifically designed for polyolefin and PVC applications. Radiating as a light yellow powder, Z-LITE® 28 plays a vital role in upholding the visual integrity of plastics, coatings, and adhesives against the relentless impact of light. With exceptional effectiveness, this product becomes a reliable shield against the unwanted yellowing and degradation of various materials, including PVC, thermoplastic urethanes, and unsaturated polyester. Z-LITE 28 boasts low volatility, contributing to the endurance of your creations while maintaining their pristine appearance.

Z-LITE® 28

Z-NOX® B225 is a blend of Z-NOX® 20 and Z-NOX® 168, finds its role as an effective antioxidant in PE, PP, PC, and ABS resins. Its synergistic properties provide stability against heat and oxidative degradation, both during processing and in end applications. This makes it a valuable asset for polyolefin-based materials.

Z-NOX® B225

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

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® RB-44K2 is a liquid flame retardant additive designed for polyurethane foams in industrial applications. Available in bulk, drums, and totes (IBC), this product offers convenient packaging options to suit various production needs. With its focus on industrial additives, particularly in polyurethane foams used for building and construction, BroShield® RB-44K2 enhances fire resistance.

BroShield® RB-44K2

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® 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.

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® RB-44K2 is a liquid flame retardant additive designed for polyurethane foams in industrial applications. Available in bulk, drums, and totes (IBC), this product offers convenient packaging 

BroShield - RB-44K2 - St. Louis Group - Flame Retardant - Knowde

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