Select Your Region
SI Group's facility in Morgantown, WV, is the world's largest phosphite antioxidant production facility. SI Group continuously focuses on the WESTON™ antioxidant portfolio by investing in better technology, manufacturing processes, and production capacity. This continual investment allows for better traceability and sustainable manufacturing processes ensuring batch-to-batch consistency and a reliable, steady supply of phosphite antioxidants.
Featured Grade |
Antioxidant | Description | Resin Compatibility | Type |
---|---|---|---|
WESTON™ 399 | Liquid Phosphite | Approved for FDA food contact in packaging plastics while improving the color and stability of the resin
|
HDPE, LLDPE, SBR, ABS, PVC
|
WESTON™ 398 | Liquid Phosphite | Versatile antioxidant with low nonylphenol content
|
HDPE, LLDPE
|
WESTON™ 705 | Liquid Phosphite | Next generation of nonylphenol-free phosphite antioxidant with broad food contact approvals |
HDPE, LLDPE, SBR, NBR,
SBC, SBS, ABS, PVC |
WESTON™ 705T | Liquid Phosphite | Nonylphenol-free antioxidant that offers a drop-in replacement for TNPP similar to WESTON™ 705 but with improved hydrostability
|
HDPE, LLDPE, SBR,
NBR, SBC, SBS, ABS, PVC |
WESTON™ TNPP | Liquid Phosphite | Improves processing stability and color, has broad food contact approvals, and has higher flash points
|
HDPE, LLDPE, SBR,
ABS, PVC
|
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.
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 - United States