Product Overview

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.

Product Specifications

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

Features & Benefits

Improves antifriction and antiwear characteristics in lubricants
Sulfur deactivator

Applications

Polyester fibers

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