Select Your Region
WESTON™ DPDP
WESTON™ DPDP is an alkyl-aryl phosphite ester antioxidant that provides color and processing stability in polymers that do not require food contact approvals.
Fulfilled By ChemPoint
- Manufacturer: SI Group
- Product Line: SI Group Phosphite Antioxidants
- Product: WESTON™ Liquid Phosphite Ester Antioxidants
- Industries: Adhesives | Elastomers | Metal Processing & Fabrication | Plastics | Silicones
- Authorized Countries: Canada | Mexico | United States
Documents
Package Sizes
Quantity
Overview
WESTON™ DPDP is an alkyl-aryl phosphite ester antioxidant that provides color and processing stability in polycarbonate, polyurethanes, ABS polymers, and coatings. It also functions as a secondary antioxidant in PVC.
Specifications
Form: Liquid
Color: Clear
CAS number: 26544-23-0
Specific gravity @ 25°C: 1.022–1.032
Acid number: 0.05 mg KOH/g
Refractive index @ 25°C: 1.5160–1.5190
Phosphorus content: 8.3%
Color (APHA, Pt-Co): 50 max
Molecular weight: 374 g/mol
Flash point (closed cup): 154°C
Viscosity @ 38°C: 10.3 cps
Density @ 25°C: 1.03 g/mL
Vapor pressure @ 5 mm Hg: 170°C
Soluble: Most common aprotic organic solvents
Primary Chemistry: Diphenyl isodecyl phosphite
Features & Benefits
Can function as both a primary and a secondary antioxidant
Problems Solved
Staining or coloring issues in plastics for non-food applications
Limited flexibility of phosphite antioxidants for use as primary or secondary antioxidants
Applications
Automotive
Commercial vehicle components
Consumer goods
Outdoor recreational products
Agriculture tools
Packaging products
Building and construction
Related Chemistries
Plastics
Related End Markets
Elastomers
Metal Processing & Fabrication
Plastics
Silicones
Related Functions
Adhesives
SI Group Phosphite Antioxidants Articles
SI Group WESTON™ Liquid Phosphites
The portfolio of WESTON™ liquid phosphite antioxidants offers excellent synergism, improved color, and processing stability and offers a variety of food contact approvals depending on your plastic applications.
Antioxidant and UV Stabilizers for TPO Membranes
The SI Group's extensive portfolio of specialty antioxidants and UV stabilizers holds the solution to your TPO roof membrane formulating challenges.
SI Group WESTON™ Phosphite Antioxidants
The SI Group portfolio of WESTON™ phosphite antioxidants protects plastics and elastomers from peroxide decomposers and offers excellent synergism with primary antioxidants, such as hindered phenols.
Stabilization and Processing of Recycled Plastics
Compounders and recyclers face multiple challenges with the stabilization and processing of recycled plastics. Learn more and explore our solutions
Have questions? Can't find the right product?
Ask our Experts
When You're Ready
Get a Quote
Ask a Question
Request a Sample
Request a Document
Document Download
Thank you
Your document download will begin shortly.
ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
Thank you
Thank you for your inquiry and interest in ChemPoint.
We will respond to you shortly.
ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
Thank you
Thank you for your inquiry and interest in ChemPoint.
We will respond to you shortly.
ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
Document Download
The document currently is provided in the following languages from the supplier at this time.
Document Download
The document currently is provided in the following languages from the supplier at this time.
Are you in the correct region?
We’ve detected that you are located in a different region than the region selected on the website. Would you like to change your region?
Current Region: English - Mexico
