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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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SmokeShield® ZM-11 is a fine white powder, featuring an effective mixed metal smoke suppressant with a remarkable balance of flame retardancy, smoke suppression, and heat stability. This versatile complex also exhibits excellent wet electrical properties, making it a valuable choice for various applications.

SmokeShield® ZM-11

SmokeShield® AOM stands as a high-performance smoke suppressant containing Molybdenum, actively suppressing smoke in halogenated polymers, particularly PVC. Its role involves acting as a char former in the condensed phase. Its applications span jacketing and insulation for plenum and riser cables, plastisols, calendered sheets, belting, carpet tiles, and extruded sheets for subway and aircraft interiors.

SmokeShield® AOM

SmokeShield® ZB4-XFA is a multifunctional additive designed to enhance the fire retardant properties of both plastics and elastomers. This product acts as a flame retardant, a smoke suppressant, and a synergist. Its compatibility with PVC makes it suitable for various applications. The white powder form ensures easy incorporation, and it functions as a char former, contributing to fire safety.

SmokeShield® ZB4-XFA

SmokeShield® ZM-2 is a fine white powder that serves as a high-performance flame retardant and smoke suppressant for polyvinyl chloride (PVC) applications. With its good thermal stability and odorless nature, it offers enhanced fire safety and reduced smoke emission. This molybdenum-free additive also boasts good electrical properties, making it an ideal choice for PVC formulations.

SmokeShield® ZM-8 is a potent zinc/molybdate complex that stands as an effective alternative to ammonium octamolybdate (AOM) smoke suppressants. This AOM-alternative is presented in the form of a white powder, meticulously designed to diminish smoke generation across halogenated and various polymers. SmokeShield® ZM-8 doesn't just enhance fire safety; it also streamlines costs.

SmokeShield® ZM-8

SmokeShield® ZM-4 is a reliable smoke suppressant additive tailored for enhancing the fire safety of polyvinyl chloride (PVC) applications. This fine powder, comprising zinc and molybdenum compounds, offers a cost-effective solution with low smoke emission characteristics. Ideal for cables, wires, and plenum cable jacketing, SmokeShield® ZM-4 serves as an alternative solution.

SmokeShield® ZM-4

SmokeShield® AOM-XF is a smoke suppressant for plastics and elastomers, categorized under performance additives. It is used in applications such as plenum cable insulation, plenum cable jacketing, riser cables, HVAC insulation, belts/belt repair, sheets, carpet tiles, and aircraft interiors. SmokeShield® AOM-XF offers excellent performance and is known as a charformer.

SmokeShield® AOM-XF

SmokeShield® ZB2 stands as a flame retardant and smoke suppressant tailored for PVC-based applications. It demonstrates efficacy in halogenated polymers, functioning in the condensed phase to create char. This versatile product serves as a flame-retardant synergist and a partial replacement for antimony oxide in numerous PVC applications. Its diverse applications range from plenum and riser cable jacketing to HVAC insulation, plastisols, calendered sheets, belting, and carpet tiles.

SmokeShield® ZB2

SmokeShield® ZB4 is a versatile flame retardant additive designed for both plastics and elastomers. As a white powder containing zinc borate, this product functions as a synergist and charformer, enhancing flame retardancy while effectively reducing smoke emission. It is compatible with polymers like PVC, polyesters, PE, and PP. With its low smoke emission feature and charforming capabilities, SmokeShield® ZB4 is a reliable choice for achieving improved fire safety in various applications.

SmokeShield® ZM-11 is a fine white powder, featuring an effective mixed metal smoke suppressant with a remarkable balance of flame retardancy, smoke suppression, and heat stability. This versatile com

St. Louis Group - Smoke Suppressant - Fire Retardant - Knowde

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