supply of chemicals , caustic soda flaks pty-naoh-95% by mass other 1 sp . as per isi make- gacl / pacl / indian reyon / birla / siel / dsm / grasim , anti scalent 20 ppm dosing to done by dosing pump with supervision of supplier sequestral value 250 , ph-6 . 5 to 7 . 5 sp . gravfity-1 . 08 to 1 . 12 , make- diftech / chemical centre / polychem / vanguard / nhc , bioside- a ) dithio carbomate base . flash point-70-75 deg . cent . sp . gravity-1 . 1 to 1 . 2 , concentration base chemical , 40% , ph-8 . 5 to 10 . 5 make- buckman laboratories / nhc / vanguard / polychem , washing soda total alkinity as na2co3 98 . 5 by wt . make- tata / modi / dcw , scale softner for s . k . alkaline medium make- make- vanguard / polychem / nhc / chemical centre . , scale desolver for s . k . alkaline medium make- polychem / nhc / chemical centre / suzalkem . , bioside for filtrate juice flash point 100 degree make- diftech / polychem / nhc / chemical centre , green marking colour make-frog . / wellmak / scale away / chemical centre / prs