Highly effective, phosphite-based color and molecular weight stabilizer for polymers, elastomers, and adhesives.
Note: Product Fulfillment Provided by the Producer
Note: The producer provides fulfillment and controls personal data. ChemPoint mediates to share data with the producer.
WESTON™ 618F is a phosphite antioxidant that is highly effective at stabilizing color and molecular weight for a variety of polymers, elastomers, and adhesives. WESTON™ 618F contributes to the thermal and UV stability of these materials as well.
Appearance: White flakes
Specific Gravity @ 15.5 °C: 0.92-0.935
Acid Number: 1.0 mg KOH/g
Refractive Index @ 60 °C: 1.456-1.459
Phosphorus Content: 7.8-8.2%
Flash Point (Closed Cup): 185 °C
Bulk Density: 0.43 g/mL
Melting Point: 37-46 °C
Molecular Weight: 732 g/mol
Primary Chemistry: Distearyl Pentaerythritol Diphosphite
Food contact approvals
Excellent color stability during processing, fabrication, and end use
Synergizes when used with benzophenone and benzotriazole light stabilizers
Reduced discoloration of polymers containing pigments like TiO₂
High performance at low loading levels
Reduces discoloration of polymers with high processing temperatures that are stabilized with a sulfur-containing, nickel-organic complex
Discoloration and color stability issues of polymers caused by TiO2 pigments
Low thermal and UV stability of adhesives and elastomeric formulations
Synergy issues of phosphite antioxidants with benzophenone and benzotriazole light stabilizers
Polyolefins, polyesters, elastomers, styrenics, engineering thermoplastics, and adhesives
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 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 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.
The document currently is provided in the following languages from the supplier at this time.
The document currently is provided in the following languages from the supplier at this time.
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 - Europe, Middle East, Africa
