1.Physical foaming is to inject the foaming nucleating agent (such as: GNM101) and high polymer (such as: PP / PE / ABS and other scalable materials) into the extruder. During the extrusion process, injecting N₂. The polymer is foamed by applying heat and pressure.
2.From the entire production process. The cost of physical foaming agent is relative low, especially nitrogen.
3.Physical foaming has a stable foaming degree, no residue, and no risk of secondary foaming.
4.Physical foaming can make the micropores of the polymer foam more fine and uniform. These fine and uniform micropores make the polymer have high performance,including good thermal stability, excellent sound absorption properties, and a low thermal conductivity and dielectric constant.
5.Physical foaming of pp through molds and steam was possible in the past.
6.In some markets and materials, physical foaming can only be used because the residue of chemical foaming agents can cause adverse reactions to it.
7.The wall thickness of a physically foamed product can be very thin. It is very advantageous in some foamed parts that do not require filling and require thin wall thickness.
8.The foaming rate can be controlled by the optimized design (screw, etc.) to reduce the weight of the product to the greatest extent.
9.The product after physical foaming can be recycled.
10.The expert team of NANJING GRAPHENE NEW MATERIAL TECHNOLOGY CO.,LTD has done more than 20 years of research and development in the field of physical foaming, from the production of physical foaming raw materials, the production of physical foaming equipment, and the research and practice of physical foaming processes. Has a complete process and system, has independent intellectual property rights and related patents for core technologies.
