VMQ01
Silicone
Heat & flexibility
Wide temperature range; flexible in cold conditions.
Indicative temperature−55 to +200°C
Rubber Stopper Factory. Made to Your Requirements.
We manufacture rubber stoppers and plugs to your drawing or sample. Choose a reference size or ask us to customize the shape, material, hardness and color.
Factory DirectReference Sizes & Custom PartsCustom Molding
Rubber Stoppers & Plugs for Your Application
Explore rubber hole plugs for openings, tapered stoppers for round bores and end caps for tube protection. Each product page includes dimensions to help you describe the part you need.
Rubber End Caps
Rubber caps for tube ends and exposed fittings.
Rubber Hole Plugs
Flanged rubber plugs for closing holes and ports.
Tapered Rubber Stoppers
Tapered rubber stoppers for round openings.
Silicone Plugs
Silicone plugs with an undercut retaining profile.
Silicone Stoppers
Solid silicone stoppers with a handling flange.
Silicone Masking Plugs
Threaded and ribbed silicone masking plugs for holes and ports.
MATERIAL SELECTION
The right stopper starts
with the right material.
Start with what your stopper touches and the temperature it needs to withstand. Compare 8 common elastomers before specifying your part.
EPDM02
EPDM rubber
Water & outdoor use
Resists weather, ozone and hot water.
Indicative temperature−40 to +120°C
NBR03
Nitrile rubber
Oil & everyday sealing
Good mineral oil resistance and wear resistance.
Indicative temperature−30 to +100°C
FKM04
Fluorocarbon rubber
Heat & oil exposure
Resists heat, oils and many fuels.
Indicative temperature−15 to +200°C
CR05
Chloroprene rubber
Weathering & general sealing
Good weather and ozone resistance with moderate oil resistance.
Indicative temperature−40 to +100°C
NR06
Natural rubber
Elasticity & wear resistance
High resilience, tensile strength and abrasion resistance.
Indicative temperature−40 to +80°C
IIR07
Butyl rubber
Low gas permeability
Low gas permeability with good weather and ozone resistance.
Indicative temperature−40 to +120°C
SBR08
Styrene-butadiene rubber
Economical & wear resistant
Good abrasion resistance and an economical choice for general sealing.
Indicative temperature−40 to +100°C
COMPARE YOUR OPTIONS
Match the material to the job.
Compare materials below. On smaller screens, scroll the table sideways.
| Material | Indicative range | Typical applications | Check before choosing |
|---|---|---|---|
| SiliconeVMQ | −55 to +200°C | Heat masking and general static plugs. | Avoid fuels and abrasive service. |
| EPDM rubberEPDM | −40 to +120°C | Water systems and outdoor closures. | Avoid petroleum oils and fuels. |
| Nitrile rubberNBR | −30 to +100°C | Oil-contact plugs and machinery. | Limited ozone and weather resistance. |
| Fluorocarbon rubberFKM | −15 to +200°C | Hot oil and fuel-contact closures. | Check ketones, amines and hot-water compatibility. |
| Chloroprene rubberCR | −40 to +100°C | Outdoor protective caps and general industrial plugs. | Check oil compatibility; avoid aromatic fuels and strong solvents. |
| Natural rubberNR | −40 to +80°C | Flexible push-fit plugs and cushioning closures. | Avoid petroleum oils and fuels; limited heat, ozone and weather resistance. |
| Butyl rubberIIR | −40 to +120°C | Gas-retaining closures and selected container stoppers. | Avoid petroleum oils and fuels; validate gas leakage and recovery after compression. |
| Styrene-butadiene rubberSBR | −40 to +100°C | General-purpose laboratory stoppers and protective plugs, including NR/SBR blends. | Avoid petroleum oils and fuels; limited ozone and outdoor weather resistance. |
Indicative ranges for initial selection only. Actual limits depend on compound, medium, exposure time and seal design. Confirm grade availability and validate samples in your operating conditions.
BEFORE YOU REQUEST A QUOTE
Four details.
A better material match.
Share these conditions with your drawing or sample so we can review a suitable compound and fit.
Get Material AdviceOperating temperature
Give the lowest, continuous and peak temperatures, plus the duration of each heating or cooling cycle.
Contact media
Name the fluids, chemicals and cleaning agents, including concentration and contact time.
Fit & use
Share hole dimensions, tolerances, pressure or vacuum, insertion frequency and preferred hardness.
Documentation & validation
For food-contact or medical use, specify the required standards and test reports. Suitability must be confirmed for the exact compound and finished part.
Standard sizes.
Custom possibilities.
Start with a size from our catalog,
or have our factory make a custom rubber stopper
to your drawing, sample or application requirements.
Work Directly with Our Factory
Our rubber stopper factory works with you on tooling, molding and inspection. We review critical dimensions and materials, then prepare samples for you to check before production.
Tooling Development
Molds developed around your approved drawing.
Silicone & Rubber Molding
Material and tolerances agreed for your part.
Inspection & Packaging
Dimensions, finish and packing checked against your order.
Frequently Asked Questions
Quick answers to common questions. Can't find what you're looking for?Contact us.
Are you a rubber stopper manufacturer?
Yes. We manufacture rubber stoppers, plugs and caps at our factory. Send a drawing or sample so we can review custom dimensions, material, hardness and color for your application.
What is the typical lead time?
Lead time depends on the part, quantity and tooling requirements. Contact us for a schedule for your project.
Can you make custom sizes and colors?
Yes. We can customize dimensions, material, hardness and color to suit your requirements.
Do you provide samples?
Samples are available for standard and custom parts. Share your requirements to confirm sample availability and costs.
Let's make the right stopper.
Send your drawing or sample details, operating conditions and quantity. We will review the fit, material and production requirements with you.
Get a Quote →