Loading
Rubber Stoppers, Rubber Plugs, Rubber Caps, Rubber Balls

Rubber Stoppers, Rubber Plugs, Rubber Caps, Rubber Balls

Custom Gasket Mfg. is a recognized leading manufacturer and supplier of high quality custom rubber stoppers, plugs, caps, and balls. Our company’s reputation for excellence has been built on our ability to provide our valued customers with the most effective designing, engineering and manufacturing solutions to meet their most demanding applications. Our main objective is to continuously exceed our customer’s expectations by providing them with high performance gaskets and sealing products, competitive pricing, on-time delivery and exceptional customer service.  Custom Gasket Mfg. maintains a modern manufacturing facility along with knowledgeable, technically-oriented professionals enabling us to consistently meet all of your blueprint specifications and tolerance requirements.

Custom Gasket Mfg. has over forty years experience specializing in the manufacturing of precision molded rubber products, including rubber stoppers, plugs, caps and balls.  We take pride in our ability to consistently produce high quality molded rubber molded products guaranteed to meet your most stringent requirements and function perfectly within their application.  Custom Gasket Mfg. fabricates rubber stoppers, plugs, caps, and balls using one of three rubber molding methods; including compression molding, transfer molding and rubber injection molding utilizing the most recent rubber compounds available.  Each of these methods has certain attributes that would be relevant based on the criteria of the application.  Custom Gasket Mfg. provides full production capabilities from prototype and short run quantities through large production runs.  We are committed to understanding each of our customer's needs in order to create the perfect stopper, plug, cap or ball according to their blueprint and material specifications.  The rubber molding tolerances for rubber stoppers, plugs, caps, and balls are complaint with rubber molding industry standard RMA A2 Precision tolerances.

Custom Rubber Stoppers

custom rubber plugsCustom Gasket Mfg. specializes in the fabrication of custom rubber stoppers for the medical, pharmaceutical, OEM, scientific, chemical, commercial and industrial markets.  They are used in test tubes, lab bottles and medical laboratories and testing facilities. Traditional tapered rubber stoppers are the most identifiable design. We can custom manufacture your rubber stopper to any size, shape and material. In addition to conventional one and two hole designs, we can drill any size hole into your custom stopper. Custom Gasket Mfg. provides custom stoppers in all durometers and compounds. We can produce your stoppers in a wide range of rubber materials including:  Neoprene®, Fluorocarbon (both Fluorel® and Viton®), Silicone, Fluorosilicone, Urethane, Nitrile, Buna-N (NBR), EPDM, SBR, and Natural (Gum) Rubber. We offer rubber stoppers in custom colors upon request.  Several of our compounds can be used in FDA, dental, or pharmaceutical applications.

custom vinyl plugs custom rubber plugs

Custom Rubber Plugs

Custom Gasket Mfg. specializes in the fabrication of custom rubber molded plugs and dip molded vinyl plugs for a wide range of industries and applications. Custom rubber and vinyl plugs are typically used to seal components containing fluids or chemicals. Silicone rubber plugs are ideal for medical and pharmaceutical applications where sterilization is required.  Plugs made of silicone can resist temperatures upwards of 600°F while still preserving its flexible qualities. EPDM rubber plugs are most often used due to their resistance to harsh chemicals and high temperatures and they can withstand temperatures up to 475°F. Rubber plugs are best suited for applications that require a heavy-duty closure to provide a tight seal. Custom Gasket Mfg. is capable of custom manufacturing rubber plug in a wide variety of rubber compounds and colors to meet your specific requirements.


Custom Solid Rubber Balls

custom solid rubber balls

Custom Gasket Mfg. specializes in the fabrication of solid rubber molded balls, occasionally referred to as sifter balls, for a wide range of industries and applications. We are committed to providing our customer’s with high quality, precision molded rubber products according to blueprint and material specifications. We can produce solid rubber balls in a wide range of rubber materials including: Natural (Gum) Rubber, Nitrile (Buna-N, NBR), Viton® (FKM), EPDM, Neoprene®, White FDA Neoprene®, SBR, FDA Silicone, FDA Polyurethane, and other Food Grade Approved compounds. Our commercial grade rubber balls are manufactured for a variety of industries, including OEM, industrial, laboratory, engineering, and elevator and conveying equipment.  The rubber molding tolerances for rubber balls are compliant with rubber molding industry standard RMA Class 3 commercial tolerances.


Custom Rubber & Vinyl Caps Rubber caps

Custom Rubber & Vinyl Caps

Custom Gasket Mfg. specializes in the fabrication of custom molded rubber caps and dip molded vinyl caps for a wide range of industries and applications. They are most often used in applications requiring resistance to heat and chemicals. The more flexible rubber and vinyl materials perform as noise inhibitors or insulators. Rubber and vinyl caps work well to insulate and provide a protective cushion for the product they enclose. Caps made of silicone rubber can resist temperatures upwards of 600°F. EPDM caps can withstand temperatures up to 475°F. Custom Gasket Mfg. is capable of custom manufacturing any rubber or vinyl cap in a wide variety of materials and colors to meet your specific requirements.


Please visit our gasket materials page for more information on our extensive selection of materials.

For more information on custom rubber stoppers, plugs, caps, and balls or to speak with one of our knowledgeable professionals, please feel free to Contact Us or complete our online
Request For Quote form.

Call 800-985-6750 or email your inquiry to sales@customgasketmfg.com