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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.
- SI Group
- SI Group Phosphite Antioxidants
- WESTON™ Liquid Phosphite Antioxidants
-
Canada | Mexico | United States
Product Overview
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%
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
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
Low hydrostability of traditional phosphite antioxidants
Regulatory restrictions for the use of TNPP antioxidants in food contact applications
Nonylphenol in liquid phosphite antioxidants
Applications
Food packaging
SI Group Phosphite Antioxidants Articles
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