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Raw Materials for Blood Collection Tube
Source: | | Publish time: 2018-05-27 | 2350 Views | Share:

A. Tube Cap
Application: To avoid the blood specimen to be spilled out when the tube is opened either by hand or instruments. Also to avoid directly touch by the operator’s hands to the blooded tube neck and rubber while opening the tube.
B. Medicinal Butyl Rubber
Application: To keep the tube vacuum before tube expiry date.
C. Blood Collection Tube
Application: To keep the vacuum before tube expiry date. To keep the additive property & to storage the blood.
Material: PET and medicinal neutral borosilicate glass.
Differences between glass tube and PET tube:

Glass Tube

PET Tube

Non eco-friendly


Fragile, not good for transportation & not safe for clinical application

Unbreakable, good for transportation & safe for application

With good hermeticity

With good hermeticity

With bad hydrophobicity

With good hydrophobicity

With good water-holding capacity

With bad water-holding capacity

With complicated pre-production process

No need any pre-production process

Tube color will be changed with irradiation sterilization. Thus will affect the observation of the inside material.

With good durability for the irradiation sterilization

D. Additive
Classification: Additive in blood collection tube mainly include anticoagulant, clot activator and separation gel. 

E. Label
Generally, the label should be stuck on the tube. There should be enough space for observation after labeling. Some manufacturers use transparent labels since opaque label is interfere with sights. It’s also more convenient for hospitals to stick their label.
Application: To provide the basic information for the blood collection tube, include standard volume, additive, capacity, scale line & sterilization, etc. 

F. Separation Gel
Application: For blood collection tube with special test purpose. To get high quality plasma or serum.