... .Specification sheet: ITEMS SPECIFICATIONS APPEARANCE amber viscous liquid Assay 30%,60%,80% 2-chloromethylthiobenzothiazole 0.02%maxMoisture 0.5%max Ash ... asia. sample available upon request. TCMTB,2-(Thiocyanomethylthio) benzothiazole, 30%,60%,80%