... , 16*100. OEM available. Additiv: Clot activator. Body: glass.PET. Pro-coagulation tube: Cap color: red. Standard:CE, ISO13485. Specifications: 13 ... with the anti-wall sticking agent and meanwhile add the pro-coagulant, which has the characters of temperature flexible, fast coagulation ... the required dosage, please drain the vacuum in the tubes. Pro-coagulation tube