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Secondary Antioxidants
| Secondary Antioxidants | |
| Product Name | Product Description |
| ALKANOX™ 240 phosphite | ALKANOX™ 240 phosphite is an organo-phosphite antioxidant that exhibits excellent hydrolytic stability. |
| NAUGARD™ 412S thioester | NAUGARD™ 412S thioester is a low-volatility, high molecular weight, organic sulfur-containing antioxidant developed for polyolefins and engineering thermoplastics. |
| NAUGARD™ DLTDP thioester | NAUGARD™ DLTDP thioester is an FDA sanctioned antioxidant for use in polyolefins and other polymeric systems. |
| NAUGARD™ DSTDP thioester | NAUGARD™ DSTDP thioester is an FDA sanctioned antioxidant for use in polyolefins and other polymeric systems. |
| NAUGARD™ DTDTDP thioester | NAUGARD™ DTDTDP thioester is used as a secondary antioxidant to act synergistically when combined with phenolic antioxidants. It is suitable for use in polystyrene, ABS, and rubbers. |
| ULTRANOX™ 626 phosphite | ULTRANOX™ 626 phosphite is a high performance solid organophosphite antioxidant that contains no more than 1.0% by weight of Triisopropanolamine |
| ULTRANOX™ 626A phosphite | ULTRANOX™ 626A phosphite is a high performance solid organophosphite antioxodant that contains no more than 1.0% by weight of Triisopropanolamine. ULTRANOX™ 626A phosphite is a granular version of ULTRANOX™ 626 phosphite. |
| ULTRANOX™ 627AV phosphite | ULTRANOX™ 627AV phosphite is a high performance solid organophosphite antioxidant that contains no more than 1.0% by weight of Triisopropanolamine. ULTRANOX™ 627A phosphite is a free flowing version of ULTRANOX™ 626 phosphite with an inorganic neutralizer for improved handling characteristics. |
| WESTON™ 398 phosphite | WESTON™ 398 phosphite is a versatile phosphite stabilizer which is useful in a large number of polymers such as HDPE, LLDPE, SBR, ABS, PVC and others. |
| WESTON™ 398T phosphite | WESTON™ 398T phosphite is a versatile phosphite stabilizer which is useful in a large number of polymers such as HDPE, LLDPE, SBR, ABS, PVC and others. |
| WESTON™ 399 phosphite | WESTON™ 399 phosphite is a versatile phosphite stabilizer which is useful in a large number of polymers such as HDPE, LLDPE, SBR, ABS, PVC and others. |
| WESTON™ 430 phosphite | WESTON™ 430 phosphite is a speciality alkyl phosphite. It has a hydroxyl number of 395 mg KOH/gm. It is an effective heat, color and viscosity stabilizer for a variety of polymers including polyester fibers and polyurethanes. |
| WESTON™ 439 phosphite ester | WESTON™ 439 phosphite ester is used to improve the color and light stability and clarity of PVC and vinyl chloride copolymers. |
| WESTON™ 618F phosphite | WESTON™ 618F phosphite is a phosphite that is a highly effective color and molecular weight stabilizer for polyolefins, polyesters, elastomers, styrenics, engineering thermoplastics, and adhesive formulations. It also contributes to the thermal and UV stability of these polymers. This product is available in a flake form. |
| WESTON™ 619F phosphite | WESTON™ 619F phosphite is a phosphite that is a highly effective color and molecular weight stabilizer for polyolefins, polyesters, elastomers, styrenics, engineering thermoplastics, and adhesive formulations. |
| WESTON™ 705 phosphite | WESTON™ 705 phosphite is a versatile phosphite stabilizer and nonylphenol-free. It is useful in a variety of polymer applications such as HDPE, LLDPE, SBR, NBR, SBC, SBS, ABS, PVC and others. Based on proprietary chemistry, it has been designed to replace TNPP in those instances where a TNPP alternative is sought. New advances in Polyethylene technology combined with the insatiable desire for continuous improvement in productivity and safety requires new and new and higher performing additive stabilization systems. WESTON™ 705 antioxidant delivers a more consistent solution at the plant resulting in lowering operating and supply chain costs and a safer work environment. SI Group’s next generation nonylphenol-free, phosphite antioxidant is specifically designed to overcome the shortcomings of conventional solid phosphites. WESTON™ 705 antioxidant not only meets all present performance and regulatory requirements but has been designed with the future in mind. For more information on WESTON™ 705, please click here |
| WESTON™ 705T phosphite | WESTON™ 705 is the first nonylphenol-free liquid phosphite antioxidant to receive broad FDA and global food contact approval and today it is the most tested polymer antioxidant ever put on the market and the only one that has successfully passed these new higher standards. It is also useful in a variety of other polymer applications such as SBR, NBR, SBC, SBS, ABS and PVC. |
| WESTON™ DHOP phosphite ester | WESTON™ DHOP phosphite ester is a high molecular weight phosphite which has a relatively high phosphorus content. It has a free hydroxyl number of approximately 20 mg KOH/g. WESTON DHOP phosphite is useful as a secondary stabilizer for PVC resins where regulatory approval for food contact is not required. |
| WESTON™ DPDP phosphite ester | WESTON™ DPDP phosphite ester is an alkyl-aryl phosphite which is used as a color and processing stabilizer in polycarbonate, polyurethanes, ABS polymers, and coatings where regulatory approval for food contact is not required. It is also used as a secondary stabilizer in polyvinyl chloride. |
| WESTON™ DPP phosphite ester | WESTON™ DPP phosphite ester is a diaryl phosphite which can be used to improve the color of unsaturated polyesters. In polyolefins, WESTON™ DPP phosphite ester can be used as a stabilizer in applications where regulatory approval for food contact is not required. It is also used as a secondary stabilizer to improve the light and color stability and to prevent plate-out of polyvinyl chloride. This product has a high phosphorus content and a relatively low molecular weight. |
| WESTON™ DPTDP phosphite ester | WESTON™ DPTDP phosphite ester |
| WESTON™ EHDP phosphite ester | WESTON™ EHDP phosphite ester is an alkyl-aryl phosphite which can be used as a color and processing stabilizer in ABS, polycarbonate, polyurethane, coatings, and PET fiber where regulatory approval for food contact is not required. It can be used as a secondary stabilizer to improve color and heat stability in PVC. |
| WESTON™ PDDP phosphite ester | WESTON™ PDDP phosphite ester is an alkyl-aryl phosphite which can be used as a color and processing stabilizer in ABS, polycarbonate, polyurethane, coatings, and PET fiber where regulatory approval for food contact is not required. |
| WESTON™ PNPG phosphite ester | WESTON™ PNPG phosphite ester is a specialty alkyl-aryl phosphite with a very high phosphorus content. It is an effective secondary stabilizer for a variety of polymers. |
| WESTON™ PTP phosphite ester | WESTON™ PTP phosphite ester is a specialty product useful when a high molecular weight phosphite is needed. It has a free hydroxl number of approximately 275 mg KOH/g. WESTON™ PTP phosphite ester is used in foamed polyurethanes to control color development and prevent bun scorching. |
| WESTON™ TDP phosphite ester | WESTON™ TDP phosphite ester is a trialkyl phosphite which is useful as a secondary stabilizer in ABS, polyethylene terephthalate, PET fibers, coatings, lubricants, PVC, polycarbonate and polyurethanes. It can also be used in polyolefins where regulatory approval for food contact is not required. |
| WESTON™ TLP phosphite ester | WESTON™ TLP phosphite ester is a trialkyl phosphite which can be used as a lubricant additive to improve antifriction and antiwear characteristics. It also functions as a sulfur deactivator. |
| WESTON™ TLTTP phosphite | WESTON™ TLTTP phosphite is a unique phosphite which contains sulfur. It can be used as an effective heat and thermal stabilizer for a variety of polymers where regulatory approval for food contact is not required. |
| WESTON™ TNPP phosphite | WESTON™ TNPP phosphite is a versatile phosphite stabilizer which is useful in a large number of polymers such as HDPE, LLDPE, SBR, ABS, PVC and others. |
| WESTON™ TPP phosphite ester | WESTON™ TPP phosphite ester is a versatile aryl phosphite which can be used as a stabilizer in many types of polymers. |