Nonylphenol-free phosphite antioxidant, designed as a drop-in replacement for TNPP with a 20% lower loading rate. Similar to WESTON™ 705 but with improved hydrostability.
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WESTON™ 705T 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 to replace TNPP in food-contact applications. It has improved hydrostability when compared to WESTON™ 705.
Product Specifications
Appearance: Colorless liquid free of particulates Phosphorus Content: 5.0% Assay: >98% Specific Gravity @ 25 °C: 1.004-1.035 Acid Number: <0.5 mg KOH/g TIPA Content: 0.5%
Primary Chemistry: Proprietary Phosphite
Features & Benefits
Nonylphenol-free Drop-in replacement for TNPP, able to reduce loading by 20% while matching TNPP performance Superior solubility in PE Compared to AO168/ALKANOX® 240:
Tenfold reduction in plate-out
Tenfold reduction in gel formation
90% less additive blooming
Threefold improvement in melt flow
retention
allows for increased usage of regrind
Threefold improvement in color retention
upon
exposure to NOx gas Broad food contact approvals
Problems Solved
High loading rate of traditional TNPP and phosphite antioxidants Low hydrostability of traditional phosphite antioxidants Regulatory restrictions for the use of TNPP antioxidants in food contact applications Nonylphenol in liquid phosphite antioxidants