Chemical Foaming Agent (CFA)
Product Data
Application XOP-331 is a free flowing powder designed for use in PVC applications. This product combines the benefits of both endothermic and exothermic CFAs to produce controlled gas yields and obtain uniform cell structure.
Characteristics Endo/Exo Decomposition
Regulatory Status All Raw Materials Are GRAS (generally regarded as safe)
Physical Apperance Supplied as Light Yellow Powder
Technical Data  
Decomposition Range  Begins around 150° C (302° F)
Processing Recommendations Maximum gas yields obtained at 180-190° C (356-374° F) are reached
Usage Levels  
Injection Molding Typical dosages in the range of 0.25-0.75%
Extrusion  Typical dosages are in the range of 0.25-0.75%
The information and recommendations made herein are based on the research of others and are believed to be accurate. However, nothing herein is to be taken as a warranty, expressed or implied, regarding the accuracy of the information or the use of this product, and purchasers should make their own tests and evaluation to determine the suitability of this product in their application. Nothing herein is to be construed as a recommendation to use or as a license to operate under or to infringe any existing patents.
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