01
Rubber stopper
Primary sealing and puncture component.
Blood collection components
Precision closures for safer blood collection.
Butyl rubber stoppers and matched components engineered for vacuum blood collection tube systems.
Custom fitStable sealingExport support
Stopper-first expertiseFit review before quotation
Product focus
One closure. A complete system fit.
RAITSE focuses on butyl rubber stoppers while supporting the matching work needed across the blood collection tube assembly.
Core product
Butyl Rubber Stoppers
Closures for vacuum blood collection tubes, developed around fit, puncture and resealing requirements.
- Bromobutyl / chlorobutyl options
- Drawing-based dimension matching
- Color and packaging options
Matched component
Safety Caps
Color-coded protective caps designed to pair with the selected stopper and tube format.
- 13 mm / 16 mm references
- Color-coded identification
- Fit matching support
System component
Tube Bodies
PET or glass tube sourcing support for a coordinated collection-tube assembly.
- Multiple volume formats
- Clear dimensional review
- Sample matching available
System overview
Know every part around the sample.
A blood collection tube is a coordinated system. We review the interfaces that affect closure fit, identification and packing.
Discuss your assembly02
Protective cap
Handling protection and color identification.
03
Tube body
PET or glass format with matched dimensions.
04
Label & packing
Identification, lot information and shipment protection.
Quality checkpoints
Built around measurable requirements.
Final specifications and test documentation are agreed against your application and approved sample.
Dimensions
Crown, plug and overall geometry checked against the approved drawing.
Puncture
Needle penetration and withdrawal behavior considered for the application.
Resealing
Closure performance evaluated for leakage-sensitive collection systems.
Cleanliness
Appearance, particles and packing condition included in inspection planning.
Compatibility
Material choice reviewed according to tube, cap and intended process.
Traceability
Lot and inspection documentation can be aligned before order placement.
How we work
From your drawing to a matched sample.
Share your tube dimensions, target material, cap structure and annual demand. We turn the information into a clear sampling path.
- 01
Requirement review
Drawing, sample or key dimensions.
- 02
Fit proposal
Material and structure recommendation.
- 03
Sample check
Assembly and performance confirmation.
- 04
Order support
Packing, documentation and shipment.
Start an inquiry
Tell us what needs to fit.
The more detail you share, the faster we can review your stopper and component requirements.
WeChat: 13771238251
Wuxi, Jiangsu, China
OEM / export inquiries welcome