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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

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

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PhosGard® 325 is a white powder industrial additive categorized for textile manufacturing. It serves as a halogen-free flame retardant and falls within the aluminum complexes and phosphorous-based compounds chemical families. Compliant with TSCA regulations, it is conveniently packaged in bags.

PhosGard® 325

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® 325 is a white powder industrial additive categorized for textile manufacturing. It serves as a halogen-free flame retardant and falls within the aluminum complexes and phosphorous-based com

St. Louis Group - Flame Retardant - Aluminum Complexes - Knowde

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PhosGard® 325

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