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- Manufacturer: SI Group
- Product Line: SI Group Phosphite Antioxidants
- Product: WESTON™ Liquid Phosphite Antioxidants
- Industries: Adhesives | Plastics
- Authorized Countries: Canada | Mexico | United States
WESTON™ TPP
Fulfilled By ChemPoint
SKU
0137398
WESTON™ TPP is a versatile aryl phosphite ester antioxidant that regulates viscosity, improves color, and prevents scorch in a variety of polymers.
Package Sizes
Quantity
Documents
Specifications
Appearance: Clear liquid
Specific gravity @ 25°C: 1.180–1.186
Acid number: 0.20 mg KOH/g max
Refractive index @ 25°C: 1.5880–1.5900
Phosphorus content: 10%
Color (APHA, Pt-Co): 50 max
Molecular weight: 310 g/mol
Flash point (closed cup): 146°C
Viscosity @ 38°C: 10.2 cps
Density @ 25°C: 1.18 g/mL
Vapor pressure @ 5 mm Hg: 205°C
Soluble: Most aprotic organic solvents
Insoluble: Water
Primary Chemistry:
Triphenyl phosphite
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Manufacturer
Product Line
Authorized Countries
Canada
Mexico
United States
Overview
WESTON™ TPP is a phosphite ester antioxidant that can be used in a variety of materials, including adhesives, coatings, styrenics, and polyurethanes, to improve color stability, prevent scorch, and regulate viscosity. It acts as a catalyst adjuvant when used in polyolefins.
Features & Benefits
- Regulates viscosity and improves color stability in polyester
- Catalyst adjuvant in polyolefins
- Prevents scorch during curing in polyurethanes
Problems Solved
Scorch or color-stability issues in coatings, adhesives, styrenics, or polyurethanes
Viscosity changes or limited control in polyester formulations
Applications
Styrenics
Engineering thermoplastics
Related End Markets
Plastics
Related Functions
Adhesives
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U.S. Supply Chain
Nationwide warehouse locations
Strategically located across the U.S. for fast, reliable delivery. Every order, every time.
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