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WESTON® 705

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

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Product Overview

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 to replace TNPP in food-contact applications.

Product Specifications

Appearance: Colorless liquid free of particulates
Phosphorus Content: 5.2%
Assay: > 98%
Specific Gravity (@ 25°C, @ 15°C): 1.004, 1.035
Acid Number: <0.5 mg KOH/g
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

Applications

Food packaging

Related Products

SI Group Phosphite Antioxidants

SI Group Phosphite Antioxidants are solid and liquid secondary antioxidants that work in a variety of systems.

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ChemPoint has experienced product specialists on staff to provide our customers support in finding the right solution for their project. Talk to us, we can help.

Call us: 425.372.9464

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