SI Group Polymer Additives Selector

Coupling agent and compatibilizer for linear low density polyethylene and polyamide blends; excellent for use in composites with high levels of glass or mineral fillers.

Low volatility phenolic antioxidant with excellent resistance to extraction in polymers, provides outstanding protection against high temperature degradation.

LOWINOX™ MD24 combines an antioxidant and a metal deactivator for outstanding protection in a variety of polymers, including polyolefins and elastomers.

Synergistic blend of granular form phenolic and phosphite antioxidants to protect polymers both during processing and long term aging.

Nonylphenol-free phosphite antioxidant, designed as a drop-in replacement for TNPP with a 20% lower loading rate.

Stabilizer that protects natural and synthetic rubbers from deterioration initiated by copper or manganese, as well as heat, flexing fatigue, and oxygen.

ANOX™ 20 Granular is a high–molecular weight hindered primary phenolic antioxidant. It prevents polymer degradation during long-term aging in various polymer systems.

POLYBOND™ 3002 is a low-functionality and high-viscosity maleic anhydride–modified polypropylene coupling agent ideal for use with processing equipment that does not have a low-feed-rate capability.

ULTRANOX™ 626A is a high performance solid phosphite antioxidant that improves color stability and reduces polymer degradation during compounding, fabrication, and end use in a variety of resins. Similar to ULTRANOX® 626 but in a granular form.

Alkyl-aryl phosphite ester antioxidant that provides color and processing stability in polymers that do not require food contact approvals.

LOWINOX™ TBM-6 is a versatile Phenolic antioxidant stabilizer that is especially well suited for wire and cable applications, providing thermal stability during processing and end-use.

ALKANOX™ 240 Granular is an organo-phosphite antioxidant and stabilizer, similar to ALKANOX™ 240 Powder but supplied in a non-dusting granular form.

POLYBOND™ 3150 is a polypropylene based coupling agent with moderate maleic anhydride content. It provides improved strength and enhanced physical properties and can be used with processing equipment lacking low feed rate capabilities.

POLYBOND™ 3000 is a high-efficiency coupling agent that provides improved strength and physical properties when used in various polypropylene systems.

Highly effective, phosphite-based color and molecular weight stabilizer for polymers, elastomers, and adhesives.

Alkyl-aryl phosphite ester antioxidant that provides color and processing stability in polymers that do not require food contact approvals. Similar to WESTON™ DPDP, but with a higher molecular weight and lower phosphorus content.

Highly effectively liquid blend of phenolic antioxidant and light stabilizers for protecting polymers from exterior weathering.

ULTRANOX™ 626 is a high performance solid phosphite antioxidant that improves color stability and reduces polymer degradation during compounding, fabrication, and end use in a variety of resins.

Workhorse coupling agent for filled polypropylene and polyamide / polypropylene blends. Can be used with glass, mineral, or cellulose fiber reinforcing materials.

Liquid amine antioxidant for reducing scorch in flexible polyurethane foams made with polyether polyols.

Oligomeric hindered amine light stabilizer (HALS) with extremely low volatility, high thermal stability, and excellent compatibility with a wide variety of materials.

LOWILITE™62 UV stabilizer has a low melting point and exhibits low interaction with co-additives, such as pigments. This HALS additive protects organic polymers from degradation caused by exposure to ultraviolet radiation. 

POLYBOND™ 7200 acts as a high-efficiency coupling agent for cellulose fiber-filled polypropylene by reducing water uptake and providing higher flexural/tensile strength and impact properties than convential coupling agents.

LOWILITE™ 28 benzotriazole-type UV light absorber provides strong protection from degradation for a variety of polymers when exposed to UV in the range of 290–400 nm.

NAUGARD™ 445 Powder is an amine antioxidant with excellent synergy with phenolic antioxidants and excellent for use in extreme heat and oxygen environments.

ROYALTUF™ 498 a maleic anhydride grafted EPDM used for increasing low-temperature impact resistance of polyamides. It is ideal for recycled polyamide compounds.

ANOX™ 1315 is a low-viscosity, liquid phenolic antioxidant for use in a diverse range of applications, from polyurethanes to lubricants to plastic formulations.

Maleic anhydride modified HDPE coupling agent ideal for use in wood fiber composites where improved strength and reduced water uptake is essential.

Trialkyl phosphite ester antioxidant that functions as a secondary stabilizer in a variety of polymers that do not require food contact.

Versatile phosphite stabilizer that improves color, processing stability, and end-use of a variety of polymers; similar to WESTON® 399, but with a higher flash point.

Dual function antioxidant and metal deactivator, designed for use in polyolefins and polystyrenics that have residual metallic ions as a result of mineral fillers, inorganic pigments, or catalysts.

Maleic anhydride modified PE coupling agent for glass and mineral filled systems.

High performance, cost-effective melt process stabilizer for polyolefins and other polymers.

Amine antioxidant that imparts both processing and long term heat stability in carbon black filled polymers. Higher purity version of NAUGARD® Q.

Liquid form HALS that exhibits low interaction with co-additives such as pigments and other stabilizers.

Benzotriazole type UV light absorber, provides strong protection from UV initiated degradation in polyolefins and polyesters.

Highly effective hindered amine light stabilizer, suitable for use alone or in combination with oligemeric HALS for thick parts such as car bumpers.

Maleic anhydride modified EPDM, improves impact resistance of polyamides when used in the temperature range of -30 °C to 23 °C.

Trialkyl phosphite ester antioxidant that functions as a sulfur deactivator and improves antifriction and antiwear characteristics in lubricants.

Low molecular weight benzophenone UV light absorber that offers effective protection for a wide variety of polymers.

Versatile phosphite stabilizer that improves color, processing stability, and end-use of a variety of polymers; similar to WESTON™ 398 but with food contact approvals.

Additive that improves weatherability and impact strength and toughness in styrene-acrylonitrile, polycarbonate, and polyester / polycarbonate blends.

High-efficiency liquid antioxidant that provides excellent scorch protection in flexible polyurethane foams.

ROYALTUF™ 527 is a maleic anhydride grafted EPDM impact modifier that is especially useful for improving low-temperature performance polyamides. It is effective in improving physical properties of recycled nylon compounds.

Synergistic blend of powder form phenolic and phosphite antioxidants to protect polymers both during processing and long term aging.

ALKANOX™ 240 Powder is low-volatility and thermally stable organophosphate antioxidant that prevents oxidative degradation for a variety of polymers.

ANOX™ 20 Powder is a high molecular weight hindered phenolic primary antioxidant. Effective as a process stabilizer, but is especially powerful at preventing polymer degradation during long-term aging.

ANOX™ BB021 is a synergistic blend of phenolic and phosphite antioxidants to protect polymers during both processing and long-term aging.

ANOX™ PP18 NDB is a hindered phenolic antioxidant with high molecular weight supplied in a non-dusting form. It provides excellent protection against polymer degradation.

ANOX™ PP18 Powder is a high molecular weight hindered phenolic antioxidant that effectively protects against polymer degradation during processing and long-term aging.

LOWILITE™ 19 is a Hindered Amine UV and Light Stabilizer (HALS) that protects organic polymers from ultraviolet caused degradation. LOWILITE™ 19 is excellent for use in thick and thin section fiber in PE, PP, and blended applications.

NAUGARD™ 445 Granular is an excellent-performance amine antioxidant with significant synergy with phenolics, particularly effective in extreme heat and oxygen environments.

ULTRANOX™ 627AV is a high performance solid phosphite antioxidant that improves color stability and reduces polymer degradation during compounding, fabrication, and end use in a variety of resins. Similar to ULTRANOX™ 626 but in a free-flowing form with an inorganic neutralizer for improved handling characteristics.

ETHANOX™ 330 Granular antioxidant is a high–molecular weight phenolic additive for elastomers, PE wire insulation, hot-melt adhesives, tackifiers, and engineering polymer applications. This phenolic antioxidant is similar to ETHANOX™ 330 Powder; however, it’s offered in a granular form for easy handling.

ETHANOX™ 330 Powder is a high molecular weight phenolic antioxidant ideal for a wide variety of applications including elastomers, PE wire insulation, hot melt adhesives, tackifiers and engineering polymers. Similar to ETHANOX™ 330 Granular, but in a powder form.

LOWINOX™ 22M46 is an antioxidant for synthetic rubbers and latexes. It is also an ideal long-term stabilizer for polyoxymethyle and ABS rubber.

Sterically hindered phenolic antioxidant designed for use in unvulcanized rubber, giving excellent protection from oxygen and UV exposure.

LOWINOX™ 1790 provides excellent gas-fading resistance and low load levels. It is especially effective in polyurethane, PP, PE, and nylon fibers.

Hindered phenolic antioxidant that provides excellent color protection during polymerization and manufacturing of polyamide fibers, molded articles, and films.

Low volatility phenolic antioxidant that is especially effective in stabilizing isoprene and butadiene polymers.

Low volatility, thioester antioxidant provides excellent long-term heat stabilization as well as low odor and plate-out. It is ideal for polyolefin and engineered thermoplastic systems.