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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-LITE

Z-NOX

PolyJet

SLG offers chlorinated flame retardants that have synergy with antimony trioxide.

ChlorFlam

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-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 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® 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

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

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

BroShield® 5130 is a distinct product known for its presentation as a reactive flame retardant, characterized by the visual aspect of white to off-white flakes. Its versatility shines as it finds applicability in both rigid and flexible polyurethane foams, showcasing exceptional thermal stability and non-leaching attributes. Its comprehensive chemical identification is Tribromoneopentyl Alcohol.

BroShield® 5130

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

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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PolyJet® 502 Alumina Trihydrate is a specialized product meticulously designed for wire/cable-elastomers, coatings, and thermoset/plastic applications. Engineered with precision, it boasts a controlled particle size distribution and essential physical properties, empowering compounders to achieve elevated loading levels and superior overall performance. The enhanced surface area enables exceptional surface finish and impact characteristics, while meticulous particle distribution control allows for maximum loading levels.

PolyJet® 502

PolyJet® 502SM is a versatile additive specifically designed for enhancing fire safety in various applications. As a flame retardant and smoke suppressant, it serves both plastics and elastomers, including cables, carpet backing, and flooring. With compatibility in processing methods like extrusion, pultrusion, and resin transfer molding, it guarantees fire resistance in composite materials.

PolyJet® 502SM

PolyJet® 505 is a remarkable flame retardant solution with a base chemical function. Its key component, Alumina Trihydrate (ATH), is an aluminum compound that imparts exceptional fire-resistant properties. Available in powder form, Complying with various chemical inventories like DSL (Canada), IECSC (China), KECI (Korea), NZIoC (New Zealand), PICCS (Philippines), and TSCA (USA), PolyJet® 505 is a versatile choice for enhancing fire safety in diverse applications.

PolyJet® 505

PolyJet® 502 Alumina Trihydrate is a specialized product meticulously designed for wire/cable-elastomers, coatings, and thermoset/plastic applications. Engineered with precision, it boasts a controlle

St. Louis Group - 21645-51-2 - Aluminum Compounds - Knowde

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	Value	Units	Test Method / Conditions
Median Particle Size	2.2	Microns	-
Oil Absorption	36.0	mil/110g	-
Specific Gravity	2.42	-	-
Bulk Density (Loose)	0.35	lb./ft³	-
Bulk Factor	0.0495	gal/lb	-
Free Moisture	0.8	%	-
Brightness (L*)	98.0	-	-

	Value	Units	Test Method / Conditions
Aluminum Oxide Content (Al₂O₃)	64.9	-	-
Silica Content (SiO₂)	0.01	-	-
Ferric Oxide Content (Fe₂O₃)	0.009	-	-
Soluble Soda (Na₂O)	max. 00.050	-	-
Total Soda Content	max. 0.300	-	-
Loss on Ignition (H₂O)	34.6	-	-

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