Linde Polymer Tec Co.,Ltd. is one of the most experienced manufacturers and suppliers of white tapered rubber stoppers for lab tubes in China, also supports customized service. Please feel free to buy high quality white tapered rubber stoppers for lab tubes for sale here from our factory.
Product Description
White Tapered Rubber Stoppers for Lab Tubes
In the laboratory, the liquid or gas in the test tube must be completely sealed to avoid volatilization, leakage, or contamination, as well as remaining stable under a variety of experimental circumstances. We have numerous years of industry experience. In the chemical sector, sealing materials must meet relatively high standards. White Tapered Rubber Stoppers for Lab Tubes fulfill the laboratory's stringent standards.

Our Certificate

IATF 16949

ISO 9001

ISO 14001
| Material |
Rubber |
|
Top Diameter |
15 mm / 0.59 inch |
|
Bottom Diameter |
11 mm / 0.43 inch |
|
Height |
21 mm / 0.82 inch |
|
Fit for hole |
11-15 mm |
|
Color |
White |

High-quality materials, excellent performance
Linde Polymer's rubber products are thoroughly screened. They are chemically resistant and do not corrode quickly when exposed to acid and alkali solutions or complex organic solvents for extended periods of time. The material used for the stopper will have no effect on the trial outcomes. The material has exceptional flexibility, and the stopper fits securely around the test tube mouth, ensuring complete sealing. It can also work consistently in low or high temperature situations, without becoming brittle or soft, and can adapt to changing temperature circumstances in the laboratory. Most significantly, it is non-toxic and odorless, completely compliant with international safety regulations, and has no effect on experimenters or experimental material.
Application
The white conical rubber test tube stopper is used in a variety of laboratory applications. In chemical laboratories, it can perfectly seal diverse chemical reagents and reactants, allowing experimenters to avoid reagent volatilization or leakage. In biological laboratories, it is used to encapsulate culture media, biological samples, and so on, successfully preventing contamination and cross-infection while also ensuring experiment accuracy. When pharmaceutical laboratories design and create pharmaceuticals, they may ensure that drugs and intermediates are sealed, which is critical to drug quality and stability. Environmental samples, such as water and soil samples obtained by environmental laboratories, are sealed to prevent contamination during transportation and storage. It is also useful in educational laboratories of colleges and universities, as well as primary and secondary schools, to make experimental teaching safer and more trustworthy.


Carefully designed, strong adaptability
The conical construction of the white conical rubber test tube plug allows it to be easily placed into the test tube mouth, and when the plug tightens, the sealing effect improves. This design is very easy for experimental staff to use. It will neither be difficult to remove because the plug is too tight, nor will it be too loose and not properly sealed. We offer plugs in a variety of sizes, from micro to large-capacity test tubes. Furthermore, the surface of the plug is anti-slip, so even if your hands are moist, you can grip the plug steadily, significantly lowering the chance of mishaps during experimental operations.
Strict quality control, safe and reliable
We have high quality requirements during the production process. Raw materials must be thoroughly tested before they may be used. In the manufacturing process, we use advanced equipment and mature technology, and each stage is overseen by a committed individual. After the finished product is released, it must go through a number of stringent tests, including sealing, chemical resistance, and dimensional accuracy checks. Only products with qualified indicators will be packed and dispatched. We do this to ensure that each test tube stopper given to customers can play its proper role in the laboratory, ensuring the experiment's safety and stability.
Why Choose Us?

We are a competent rubber seal maker with many years of expertise. Our products are sold in various nations and areas around the world, and they have earned the trust of many clients. We not only supply conventional items, but also tailored services based on the specific demands of our customers. For example, if the laboratory has specific test tube specifications or additional requirements for the functioning of the stopper, we will do our utmost to meet them. Our service team is highly professional and can provide customers with comprehensive help, including product consulting, technical support, and after-sales service. Furthermore, our products are incredibly cost-effective, moderately priced, and of high quality, allowing clients to spend the least amount of money while getting the most trustworthy product.
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