Name: China Vacuum 2ml 5ml 10ml Plain Red Cap Serum Blood Collection Tube No Additive Manufacturers Factory - Chengwu Medical
Brand: Chengwu Medical
SKU: 315496330

Key Benefits

Additive-free: No anticoagulant, clot activator or gel; blood clots naturally.

Controlled vacuum: Designed for accurate and consistent blood collection.

Easy identification: Red cap and clear labeling.

Quality assured: Manufactured under ISO 13485 with batch-level quality control.

OEM support: Custom labels, barcodes, packaging and private-label services available.

Product Specifications

Item	Specification		Q' ty/Cs	Tube Material	Sterilization	Shelf Life	Packaging	OEM / Private Label
CY-101NA2	Red cap Plain	13*75mm, 2ml	1200	Medical-grade PET Glass	Non-sterile or EO sterile CE & ISO non-pyrogenic	2 Years	100 pcs/tray, 12,000 pcs/carton	Available
CY-101NA3		13*75mm, 3ml
CY-101NA4		13*75mm, 4ml
CY-101NA5		13*75mm, 5ml
CY-101NA6		13*100mm, 6ml
CY101NA7		13*100mm, 7ml
CY-101NA8		16*100mm, 8ml
CY-101NA9		16*100mm, 9ml
CY-101NA10		16*100mm, 10ml

Plain Tube Clot activator 3 Clot activator 4

Applications

Plain Serum Blood Collection Tubes are suitable for laboratory applications requiring serum samples without anticoagulants, clot activators or separation gel.

Typical applications include:

Serology
Immunology
Clinical laboratory testing
Biochemistry applications requiring plain serum
Other laboratory assays requiring additive-free samples

How to Use

Blood Collection

Collect venous blood using a compatible blood collection needle.

Natural Clotting

Keep the tube upright and allow the blood to clot naturally. Clotting time may vary depending on the sample and laboratory conditions.

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Centrifugation

Centrifuge the sample according to the applicable laboratory protocol.

Serum Testing

Use the separated serum for the intended laboratory assays.

Tube Selection Guide

Not every serum tube is the same. The appropriate tube depends on the required sample type and laboratory procedure.

Tube Type

Additive

Clotting

Typical Applications

Plain Tube

None

Natural clotting, typically 30–60 min

Clinical Biochemistry,

Immunology

and Serology Test

Clot Activator Tube

Clot activator

Typically 5–15 min

Gel & Clot Activator Tube

Gel + clot activator

Faster clotting with gel separation

If you are not sure which tube configuration is suitable for your market or application, send us your requirements and we can recommend a suitable option.

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Packaging & Customization

Our blood collection tubes are packed in clean inner packaging and export-grade cartons for international transportation.

Customization is available according to order quantity and product requirements.

Custom options may include:

Private-label printing
Custom labels and barcodes
Cap colors
Carton printing
Customized packaging
Combination kits with compatible straight needles or butterfly needles

Why Choose Us

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Free Samples Available

Request a sample pack for evaluation before ordering. Our production runs under an ISO 13485 quality management system with batch-level quality control and traceability.
• Established Manufacturer Since 1998
Shandong Chengwu Medical Products Factory has been manufacturing disposable medical and laboratory consumables since 1998.
• CE-Certified Products
CE-certified products are available according to the applicable product requirements.
• Factory-Direct Supply
Direct manufacturing allows us to provide competitive pricing and stable supply for importers and distributors.
• One-Stop Blood Collection Supply
In addition to blood collection tubes, we supply compatible straight needles and butterfly needles from the same factory.