Trialkyl phosphite ester antioxidant that functions as a secondary stabilizer in a variety of polymers that do not require food contact.
WESTON™ TDP is a trialkyl phosphite ester antioxidant that acts as a peroxide scavenger, providing color and processing stability in a variety of polymers and other materials such as coatings and lubricants.
Appearance: Clear liquid
Specific Gravity @ 25 °C: 0.884-0.984
Acid Number: 0.05 mg KOH/g
Refractive Index @ 25 °C: 1.4530-1.4610
Phosphorus Content: 6.2%
Color (APHA, Pt/Co): 50 max
Molecular Weight: 502 g/mol
Flash Point (Closed Cup): 160 °C
Viscosity @ 38 °C: 11.6 cps
Density @ 25 °C: 0.89 g/mL
Vapor Pressure @ 5 mm Hg: 180 °C
Soluble: Most common aprotic organic solvents
Primary Chemistry: Triisodecyl Phosphite
Effective in a variety of materials including coatings and lubricants
PET fibers
SI Group's Morgantown, WV facility is the world’s largest phosphite production facility.
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SI Group's extensive portfolio of speciality antioxidants holds the solution to your tpo formulating challenges
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WESTON™ is a collection of high-purity liquid and solid phosphite antioxidants, and liquid phosphite esters.
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