PT tube: CE, ISO13485. Spec.:13*75, 13*100, 16 ... Additive:Sodium Citrate: 1: 9 Body: glass, PET, PP. PT tube:Cap color: blue.Standard:CE, ISO13485.Specifications: 13*75 ... : 1.8ml, 2.7mlMaximum Vacuum Tolerance: ±10%Description: PT tubes are applicable to the checks for blood coagulation. The ... the dosage as required to ensure the test accuracy. 3. This tube is suitable fixed to the double direction ...