Our Serum Tube Range

We supply a serum blood collection tube series for different testing workflows:

Tube Type

Additive

Clotting Time

Best For

Plain Tube

None

~30–60 min

Serology, immunology and additive-free serum applications

Clot Activator Tube

Clot activator

~5–15 min

Routine clinical chemistry

Gel & Clot

Activator Tube

Gel + clot activator

Fast, with barrier separation

Biochemistry requiring serum separation

Cap colors and specifications can be matched to your market's conventions.

photobank 2compressed Vacuum Clot Activator Tube Plain Tube

Red Cap and Rubber Stopper Assembly

The tube is fitted with a red plastic cap and a medical-grade rubber stopper, forming a secure closure system for vacuum blood collection and serum sample handling. The two components work together to support vacuum retention, sample containment and convenient routine use.

Red Plastic Cap

Clear Identification – helps users quickly identify the intended tube type.
Secure Fit – Designed to hold the rubber stopper firmly in place during blood collection, sample handling and transportation.
Easy Handling – Provides a convenient surface for opening and closing the tube during routine laboratory workflows.
Visual Consistency – Supports consistent product identification across the serum tube range.
Customizable Appearance – Cap color, labeling and printing can be matched to market conventions and customer requirements.

Medical-Grade Rubber Stopper

Reliable Sealing – Helps maintain the tube vacuum before use when properly assembled and stored.
Leak-Resistant Closure – Supports secure containment of the blood sample after collection and during transportation.
Needle Penetration – Designed for access by compatible blood collection needles while helping preserve sealing performance.
Sample Protection – Helps reduce the risk of leakage and external contamination during routine handling.
Material Compatibility – Can be selected according to the tube material, collection system and applicable product requirements.

Product Specifications

Item

Specification

Q' ty/Cs

Tube Material

Sterilization

Shelf Life

Packaging

OEM / Private Label

CY-102CA2

Red cap
Clot Activator

13*75mm, 2ml

1200

Medical-grade PET

Glass

Non-sterile

EO sterile

CE & ISO

non-pyrogenic

2 Years

100 pcs/tray,

12,000 pcs/carton

Available

CY-102CA3

13*75mm, 3ml

CY-102CA4

13*75mm, 4ml

CY-102CA5

13*75mm, 5ml

CY-102CA6

13*100mm, 6ml

CY-102CA7

13*100mm, 7ml

CY-102CA8

16*100mm, 8ml

CY-102CA9

16*100mm, 9ml

CY-102CA10

16*100mm, 10ml

Q & A

Q: Do you offer free samples?

A: Yes. A free sample pack is available for evaluation; you only need to cover the courier cost.

Q: What is your MOQ?

A: For standard catalog items, the minimum order quantity is low.

Private label and customized orders require a larger production run.

Send us your tube type, size and volume, and we will confirm the exact MOQ.

Q: How long is the lead time?

A: 7-15 days after order confirmed ( OEM and private label orders depend on the customization requirements )

Q: Can you do OEM and private label?

A: Yes. We support custom labels, cap colors, barcodes, carton printing and OEM packaging, arranged according to order quantity.

Q: What certificates and documents can you provide?

A: ISO 13485 / CE / FSC

Export certificates and product test reports can be provided according to the product model and destination market.

Q: How are the tubes packed, and what shipping terms do you offer?

A: Standard packing is 100 pcs per bag and 1,200 pcs per export carton.

We ship FOB Qingdao and Shanghai.

Payment is available by T/T or L/C at sight for regular orders.

Request a Sample Pack

Tell us your required volume, cap color and monthly quantity. We will recommend the appropriate configuration and provide a sample pack for evaluation together with a factory-direct quotation.

Our address

Room 1802, West Tower, Gome Smart City, Guangzhou City, Guangdong Province

Phone Number / whatsApp

+86 13541044733

E-mail

sales24@chengwumedical.com