Rubber Stopper Assembly

Rubber Stopper Assembly

What is Rubber Stopper Assembly? Do you want to know? Let’s introduce it. Nowadays, Rubber Stopper usages are in the commercial, industrial, and science markets. Laboratory Glassware, test tubes, and flask need to cover them from a thing called Rubber Stopper Assembly. A cork is essential for it. A more waterproof seal or a higher degree of chemical resistance wants some applications, are completed by it. It has been formed from natural rubber also several types of synthetic rubber use to make ready it.
The rubber Stoppers have a cylindrical shape with a narrowed bottom. They have two holes, could allow the infusion of pipettes, tubing, or test material. The tampered bottom has a limit of five-sixteenths to 3.5 inches. In Test tube and glassware, more small stoppers are used and more substantial for flask and beakers.
 When we experiment, we need a Rubber Stopper Assembly to prevent escaping the liquid from the instrument. We can shake efficiently to mixed solutions, and no need to spill them. Its chemical resistance doesn’t allow it to be dirty from corrosive and reactive compounds. It prevents the sample from air pollution.

All dimensions are in mm​

Stopper & Plug Size Catalog

Compare four stopper profiles and check the selected part dimensions against your opening and available depth. Each profile has its own drawing and dimension meanings.

Custom colors are available to your Pantone color code. Include the code in your inquiry.

Blind-Hole · RSTTapered · RSAUndercut · RSBT-Shaped · RSD

RST T-Shaped Plugs

Match stem diameter A, flange diameter B, stem length C and flange thickness D. E refers to the underside recess; use the selected row and approved drawing to confirm the actual profile.

Dimension guide

Product appearance

PartNo.	A（mm）	B（mm）	C（mm）	D（mm）	E（mm）
RST2.5-5.5-5.3	2.5	5.5	5.3	2	0
RST2.7-5.5-5	2.7	5.5	5	2	0
RST3-4.3-4.5	3	4.3	4.5	0.8	0
RST3-7-7	3	7	7	2.2	0
RST3.3-6.5-6	3.3	6.5	6	1.5	0
RST3.5-6.5-6	3.5	6.5	6	2	0
RST3.8-7-10.5	3.8	7	10.5	1.5	0
RST3.8-7-7	3.8	7	7	1.5	0
RST3.8-7-6	3.8	7	6	1.5	0
RST4-7.5-6	4	7.5	6	2	0
RST4-9.5-7	4	9.5	7	2.5	0
RST4.3-8-6	4.3	8	6	1.5	0
RST4.5-7.5-6	4.5	7.5	6	2	0
RST4.8-6.8-3.6	4.8	6.8	3.6	0.9	0
RST4.8-9-7	4.8	9	7	1.5	0

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