In klasse Tubular Rubberprodukten brûkt om gas, floeistof, slurry as granêre materialen te ferfieren. It is gearstald út ynderlike rubberenlaach en skeletlaach, en it materiaal fan skatten kin katoenen glêstried wêze, ferfier, stielen, stielen, stielen, styrene-butadiene rubberen as butadiere rubber; Oaljebestindich slang is makke fan neoprene en nitrile rubber; acid- en alkali-resistint, hege temperatuer-resistinte slang makke fan etylee-propylene rubber, fluor as silicone

; s512; s590; s090; j-3080; j-3080; j-3092e; ter 4038ep; Ter 4039; Ter 4047; Ter 4049;
Cr: sn121; sn122; sn123; cr111; cr112; sn232; sn232; sn238; cr211; cr212; cr213; sn322; sn322; sn322;