Weston® Liquid Phosphite Antioxidants are high-purity phosphite antioxidants that are effective heat, color and viscosity stabilizers providing additional synergies when used with hindered phenols.
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Weston ® DPP is a diaryl phosphite ester which has a high phosphorus content, relatively low molecular weight and can be used to improve the color of unsaturated polyesters. It can also be used as a stabilizer in polyolefin applications where regulatory food contact approval is not required. Weston ® DPP also serves as a secondary stabilizer to improve the light/color stability and to prevent plate-out of PVC.
Weston® 705 is an industry pioneering phosphite stabilizer which is free of nonylphenol. It can be used in a variety of polymer systems such as HDPE, LLDPE, SBR, NBR, SBC, SBS, ABS, PVC. Based on proprietary chemistry and technology, it has been developed as a replacement for TNPP wherever a TNPP alternative is sought.
Weston® LPP (Liquid Productivity Platform) antioxidants have been designed as an alternative for conventional powder (solid) antioxidants. Liquid productivity technology enables the creation of customized blends that meet requirements of cost-effective performance and enhanced Responsible Care®.
High molecular weight phosphite ester which has relatively high phosphorus content and a free hydroxyl number of approximately 20 mg KOH/g. It is useful as a secondary stabilizer for PVC where regulatory approval for food contact is not required.
Weston® EHDP is a color and processing stabilizer in ABS, polycarbonate, polyurethane, coatings, and PET fiber not requiring food contact approval. It can be used as a secondary stabilizer for improving color and heat stability in PVC.
Weston® TNPP is a cost-effective phosphite stabilizer that improves color and processing stability during recovery, drying, compounding, processing and end use. Typically used with HDPE, LLDPE, SBR, ABS, PVC.
Addivant is the world’s largest producer of liquid phosphites, specialty antioxidants and additives in non-dust forms, including its patented ANOX® NDB® stabilizer blend technology that enables up to eight components to be delivered in a single homogeneous blend.