We can accept plugs with special shapes. Such as round, square, oval, cone, etc. These are customized products. We need customers to provide drawings or samples, and then customize the mold according to the drawings or samples. The plug can also be engraved with the customer's logo. The color can also be customized. The most popular plug we made recently is tapered rubber plugs,threaded rubber stopper,triangular rubber stopper car,erlenmeyer flask rubber stopper,conical rubber stopper carp.
Description | flask with rubber stopper |
Material | EPDM, NBR, SBR, CR, FKM, PU, SILICONE, HNBR, PU, AEM, ACM, XNBR,NR, IIR, PTFE, SILICONE sponge, EPDM Sponge, PVC sponge, EVA sponge and so on |
Compound material | Meet ASTM D2000 and can be UL, FDA, ROSH, REACH compliance |
Hardness | From 20 ~ 90 shore A |
Color | As per request |
Size | As per customer's print or as per design |
Package | PE bag, Carton |
Leadtime | 8 days for sample, 12~18 days for mass product |
Advantage | ![]() |
| All of our olive rubber stopper are made of brand material. |







| FAQ |
Q 1: How to select the raw compound for my application?
A: With years of experience working with a variety of material, we can help select the material that will best suit your needs while keeping material costs in mind.
Q 2: Do you use any international standards for the rubber products?
Our rubber materials are in line with ASTM D2000 standards. Tolerances are in accordance with RMA A2, ISO 2768, etc. If there are special requirements, they can be negotiated.
Q 3:Can you supply different color materials?
We can provide a lot of color options, especially silicone products. We can adjust the color according to the customer's color sample or Pantone color number. The color can be close to 95%.
Q 4: What materials are available to produce from your side?
A: We are able to supply all kinds of material. Such as NBR, EPDM, SILICONE, FKM(FKM), NEOPRENE(CR), NR, IIR, SBR, ACM, AEM, Fluorosilicone(FVMQ), FFKM, Liquid Silicone, Sponge, etc.
Q 5: What other services does Best Seal offer?
We can provide abrasive design services. BEST SEAL has its own abrasive tool factory with rich experience. We can also provide material testing services, such as tensile force, Shore hardness testing, etc. We also have a storage refrigerated room to ensure product life
Why choose us?
- Our Rubber Stoppers are designed to meet the strictest quality standards, ensuring that they are suitable for use in a wide range of applications.
- Our company has won the praise of customers with its novel product design, unique customized solutions, high-quality product guarantee and perfect service.
- You can trust that our Rubber Stoppers will provide secure, leak-proof seal every time, ensuring that your application remains safe and effective.
- We will continue to develop more high-quality and efficient Special Shape Rubber Plug to serve the public.
- Our factory is equipped with advanced machinery and equipment, allowing us to produce Rubber Stoppers quickly and efficiently.
- Responsibility is the basis of enterprise development: adhere to the operation according to law, improve product quality and service level, assume responsibility for the society, create benefits for the enterprise, seek happiness for employees, and realize the scientific development of the enterprise.
- Our factory operates under the highest standards of quality control, ensuring that every product we produce meets our rigorous requirements.
- We will take on more social responsibilities with greater commitment and be an excellent corporate citizen.
- We are constantly evaluating and improving our Rubber Stoppers to ensure that they meet or exceed industry standards.
- We improve the business skills of our employees, cultivate a positive attitude, and promote the all-round development of our employees.
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