Trialkyl phosphite ester antioxidant that functions as a sulfur deactivator and improves antifriction and antiwear characteristics in lubricants.
WESTON™ TLP is a trialkyl phosphite ester which can be used as a stabilizer in polymers that do not require food contact. WESTON® TLP also functions as a sulfur deactivator, and reduces friction and wear in lubricants.
Appearance: Clear liquid
Specific Gravity @ 25 °C: 0.866-0.881
Acid Number: 0.05 mg KOH/g
Refractive Index @ 25 °C: 1.4530-1.4580
Phosphorus Content: 5.3%
Color (APHA, Pt/Co): 50 max
Molecular Weight: 586 g/mol
Flash Point (Closed Cup): 165.56 °C
Viscosity @ 38 °C: 16.0 cps
Density @ 25 °C: 0.88 g/mL
Vapor Pressure @ 5 mm Hg: 190 °C
Soluble: Most common aprotic organic solvents
Insoluble: Water
Primary Chemistry: Trilauryl Phosphite
Improves antifriction and antiwear characteristics in lubricants
Sulfur deactivator
Sulfur impurities in lubricant formulations
Friction and wear in polyester fibers and lubricants
Polyester fibers
SI Group's Morgantown, WV facility is the world’s largest phosphite production facility.
SI Group's extensive portfolio of speciality antioxidants holds the solution to your tpo formulating challenges
WESTON™ is a collection of high-purity liquid and solid phosphite antioxidants, and liquid phosphite esters.
Explore our range of plastic additives from SI Group that are designed for optimal performance in building and construction applications.
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