WESTON™ TLP is a trialkyl phosphite ester antioxidant that functions as a sulfur deactivator and improves antifriction and antiwear characteristics in lubricants.
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WESTON™ TLP is a trialkyl phosphite ester that 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
Sulfur impurities in lubricant formulations
Friction and wear in polyester fibers or lubricants
Polyester fibers
Lubricants
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