SC-020發泡成核母料是濟南賽辰高分子材料有限公司針對同軸電纜開發研制的。該母料(SC-020)選擇聚乙烯為載體，添加瞭經鈍化處理的有機粒子，經雙螺桿混煉造粒而成。產品具有以下優點：
1.成核粒子經鈍化處理，可以象普通聚乙烯一樣長期儲存不變質。
2.成核劑與聚乙烯不相容，完全異相成核，可以在較寬的工藝范圍內生產出泡孔細膩均勻的發泡層，
3.介電常數小、介質損耗低、高頻衰減低、性能穩定、使用壽命長等優點。 尤其在高頻條件下（大於800MHz）更為突出。
加入量少，成本低。添加量為1-1.5%。
4.生產穩定。在不改變工藝條件下完全替代美國陶氏的0078.

                                                    SC-020與0078介電性能對比表
 
                     頻率（MHz）                                      損耗                                             標準    
                                                                 SC-020            0078     
                       5                                        0.487               0.499                               0.58   
                       55                                      1.403               1.431                               1.6   
                       211                                    2.664               2.683                                3.05   
                       250                                    2.906               2.923                                3.3   
                       270                                    3.024               3.04                                  3.37   
                       300                                    3.196               3.212                                3.55   
                       350                                    3.466               3.488                                3.85   
                       400                                    3.722               3.745                                4.15   
                       450                                    3.972               3.99                                  4.4   
                       500                                    4.20                 4.22                                  4.66    

                       550                                    4.427               4.445                                4.9   
                       600                                    4.63                 4.655                                5.1   
                       750                                    5.207                5.22                                 5.65   
                       870                                    5.66                  5.68                                 6.11   
                       1000                                  5.968                6.096                               6.55   
                       1125                                  6.428                 6.55                                6.95 

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