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What coatings layer the walls of BD Vacutainer® Plus Serum and SST™ Tubes?

April 26, 2017BD coatings Plus serum tubes vacutainer® walls

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What coatings layer the walls of BD Vacutainer® Plus Serum and SST™ Tubes?

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BD Vacutainer® Plus Plastic Serum and SST™ Tubes are coated with silicone and micronized silica particles to accelerate clotting. A silicone coating reduces adherence of red cells to tube walls. The silica coating can sometimes cause the inner tube wall to appear cloudy and/or filmy. This cloudy appearance does not make the tubes unacceptable for use.