middle-and-low grade natural synthetic rubber, paint, silicone fluid sealant, ... insulat HL-150 is applied to middle-and-low grade natural synthetic rubber, paint, silicone fluid sealant, glass ... applies silicon rubber of sulfide to the medium-to-high grade greenhouse, insulator, adhesive, coating, cosmetics, printing ink, ... sinking; Auxiliary of processing; Freedom flowability,etc.. White Carbon Black