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.
Browse Products by Market
View All ProductsBrowse Products by Technology
View All ProductsFeatured Products
BroShield
BroShield® 21-B
BroShield® 21-B is a high purity, non-diphenyl oxide, brominated flame retardant with excellent thermal stability.
Product Families: Functional Additives, Flame Retardants, Additives, Polymer Additives, Elastomer Additives
Chemical Family: Halogenated Compounds, Brominated Compounds, Ethers
Labeling Claims: High Purity
BroShield
BroShield® RB-11
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.
Applications: EIFS & Insulation, Building Envelope & Roofing
Product Families: Foam Additives, Functional Additives, Additives, Processing Aids
Chemical Family: Halogenated Compounds
End Uses: Polyurethane Foams
PhosGard
PhosGard® 140
PhosGard® 140 is a low viscosity tris (2-butoxyethyl) phosphate that acts as an effective leveling agent and defoamer.
Applications: Decorative Paints, Decorative Paints, Coatings & Stains, Building & Construction, Decorative Materials & Finishes
Product Families: Functional Additives, Performance Additives, Flame Retardants, Additives, Polymer Additives, Elastomer Additives
Chemical Family: Phosphates
End Uses: Waterborne Adhesive
PhosGard
PhosGard® NH4
PhosGard® NH4 is a halogen free phosphate flame retardant/plasticizer that demonstrates very low scorch & volatility.
Product Families: Foam Additives, Performance Additives, Flame Retardants, Polymer Additives, Processing Aids
Chemical Family: Phosphates, Phosphorous-based Compounds, Organophosphates, Phosphate Esters
End Uses: Polyurethane Foams, Foams
Labeling Claims: Halogen-free
SmokeShield
SmokeShield® ZB4
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.
Product Families: Performance Additives, Flame Retardants, Polymer Additives, Elastomer Additives
Chemical Family: Boron-based Compounds, Borates
SmokeShield
SmokeShield® ZM-2
SmokeShield® ZM-2 is a high performance, non-molybdenum, low cost AOM replacement smoke suppressant with excellent thermal stability.
Product Families: Performance Additives, Flame Retardants, Polymer Additives
Chemical Family: Zinc & Zinc Compounds, Magnesium & Magnesium Compounds
Labeling Claims: Molybdate-free
Z-LITE
Z-LITE® 94
Z-LITE® 94 is an effective hindered amine light stabilizer used in polyolefin and other polymers.
Product Families: Antioxidants & Stabilizers, Polymer Additives
Chemical Family: Amines, Hindered Amine Light Stabilizer (HALS)
Z-NOX
Z-NOX® 1076
Z-NOX® 1076 is a hindered phenolic antioxidant that is suitable for thermoplastics and synthetic fibers.
Applications: Building Wires & Power Cables, Chemical Manufacturing, Jacketing & Insulation, Wire & Cable, Chemical & Industrial Manufacturing
Product Families: Functional Additives, Antioxidants & Stabilizers, Additives, Polymer Additives, Elastomer Additives
Chemical Family: Phenols & Phenolics
End Uses: Synthetic Fibers, Wires, Cables
Most Viewed Products
View All ProductsMost Viewed Brands
View All Brands