Rubber Injection Stopper for Y Port Heparin Cap Blood Tubing Set
Rubber injection stopper is the core sealing component inside the heparin cap or y port. Heparin caps are primarily used at the ends of indwelling needles and intravenous infusion sets for drug injection and infection prevention. The Rubber injection stopper is made of latex free (isoprene) rubber or natural rubber, possessing excellent self-sealing properties and capable of withstanding multiple punctures without leakage.
Our rubber injection stoppers are produced via compression vulcanization moulding and are available in various sizes, as well as custom sizes. For detailed specifications, please refer to the table below.
We are a factory not only supplying medical plastic & rubber components for iv infusion transfusion set/blood collection set/syringe, but also supplying sterile products and medical packaging materials. For more product details, please contact our sales team by email or whatsapp or cellphone. Welcome inquiry!
Specifications
| Size (Width*Height) | Feature | Manufacturing Method
&Material |
Physical Performance | Chemical Performance | Biological Performance |
| 8.1*3.4 | / | Compression moulded rubber products by vulcanization mould.
Latex rubber/ Isoprene rubber/ Silicone rubber |
Good self-sealing properties after multiple punctures and drug administration. | Meet the requirements of ISO 8536 standard. | No pyrogens.
No haemolytic constituents. No toxicity. |
| 7.0*4.0 | / | ||||
| 7.1*4.3 | / | ||||
| 7.0*4.6 | One Side Outruding | ||||
| 7.8*4.2 | / | ||||
| 7.0*5.0 | Double Sides Outruding | ||||
| 7.5*4.2 | / | ||||
| 8.0*6.0 | / |
Applications
Used as an internal rubber stopper for heparin caps, y injection site, hemodialysis set injection port, providing puncture sealing and self-healing function after repeated needle punctures.

Packaging & Transportation
| Property | Details |
| Inner Package | Double Layer PE Bag |
| Outer Package | Quality Carton |
| Carton Size | 47*35*28 |
| Shipping Mark | Paper Sticker or Label Printed |
| Port of Loading | Shanghai |
| Payment Term | T/T, D/P, L/C |
| Incoterm(2020) | EXW, FCA, FOB, CFR, CIF |
FAQ
Q:Are you a manufacturer or a trading company?
A:We are an ISO 13485 certified manufacturer specializing in medical plastic&rubber components.
Q:Do you offer OEM or ODM services?
A:Yes, we provide OEM and ODM services, including private label, packaging customization, and product design support.
Q:What payment terms do you accept?
A:We accept T/T, L/C, D/P, D/A.






