competitive price good service high quality Specification: ITEMSTANDARD42%TK20% SLPurity≥42%≥20% SLFree 4,4-bipyridylMax. 1g/kgMax. 1g/kgTotal terpyridinesMax. ... postemergence in bananas, cocoa, coffee, coconuts, citrus, and sugarcane. Paraquat 42%TC,30.5%TC, 27.6%SL, 20%SL, 24 ...