rate contract purchase of cssd materials rate contract purchase of cssd materials under the deptt. of health and family welfare, dnhdd , rate contract for purchase of cssd materialsfor department of health and family welfare, dnh & dd : ( specifications as per tender documents ) , cassettes for plasma sterilization machine ( code:10144 ) -1x2 cassettes per box, the plastic cassettes should contain approx 58-59.5% hydrogen peroxide sterilant., -each cassette should contain 10 cells of 1.8 ml of hydrogen peroxide, each cassette should run atleast 5 cycles, -expiry date should be approx 6 months from the date of manufacturing -colour bar must indicate exposure to leakage ( in case of h2o2 leak ) -it should change colour from yellow to red -it should be compatible to sterrad nx.