... ,3k(spray) Material:pp Packing:20000ps/carton Anticoagulation tube,2k,3k(spray)Material:ppPacking:20000ps/carton Select PS or ... PP material, tube wall by the silicification process, smooth and not linked to ... the blood.The Share gel can share the serum completely , serum-free fibrin strands, Quantitative uniform atomization in the wall ...