Chemical Foaming Agents for Direct Gas, Film and Sheet Extrusion Applications…
Reduce Polymer & Gas Usage, Control Cell Size & Foam Density, Increase Line Speeds, etc.
Whether your direct gas extrusion process uses tandem extrusion or a twin screw extruder, Bergen International has a chemical foaming/nucleating agent for your application. Our Foamazol CFAs provide excellent nucleation for gasses such as CO2, Nitrogen, Z2, Hydrocarbons, and other gases.
Our Foamazol™ 41 and Foamazol™ 42 provide fine, uniform cell structures in direct gas extrusion of olefins. Our Foamazol™ 73S is used in direct gas extrusions involving styrene.
If VOC’s are a concern, the gases evolved by Foamazol™ allow for reduced usage of the physical blowing agent gas. Hydrocarbon gas usage has been reduced by as much as 17% in some instances with Foamazol nucleating agents.
Use of Foamazol™ CFAs allow direct gas extruders to:
- Process with Faster Extrusion Rates
- Produce Consistent High-Quality Foam Structure — very fine, uniform cell structure with consistent density
- Better Control of Cell Size
- Reduced Polymer Usage
- Reduced Gas Usage
Our Direct Gas Film and Sheet Extrusion/Nucleating CFA product line includes:
| Cell Nucleation | ||
| Process | Base Resin | Recommended Grade |
| Direct Gas Extrusion | LDPE, PP | Foamazol™ 41 |
| Foamazol™ 42 | ||
| Foamazol™ 71 | ||
| Foamazol™ 72 | ||
| PS | Foamazol™ 73S | |
| Density Reduction | ||
| Process | Base Resin | Recommended Grade |
| Sheet Extrusion | LDPE | Foamazol™ 21 |
| Foamazol™ 31 | ||
| Foamazol™ 92 | ||
| HDPE | Foamazol™ 21 | |
| Foamazol™ 31 | ||
| PP | Foamazol™ 22 | |
| Foamazol™ 42 | ||
| PS | Foamazol™ 73 | |
| PET | Foamazol™ 63 | |
Custom Chemical Foaming Agent Products and Customer Assistance
Bergen International can also work with you to customize CFAs for your Direct Gas Film and Sheet Extrusion/Nucleation process. Our staff has extensive formulating and processing experience and can assist you in developing a CFA to best meet your requirements.