Item No. SMP-015
These T‑shaped silicone stopper are engineered for hole sealing and blank‑off applications across multiple industries. Manufactured from premium food‑grade‑optional silicone rubber, they feature great elasticity, excellent compression recovery, reliable anti‑aging performance and outstanding sealing capability. They can withstand repeated plug‑in and pull‑out cycles without losing shape or sealing effect.
The stepped T‑profile enables quick, simple installation : just press the plug firmly into the pre‑drilled hole to achieve tight, firm fitting without extra adhesives. It functions as a dust cover, liquid barrier and shock buffer, effectively preventing dirt, water, oil and debris from getting inside device housings and protecting internal components from external damage.
Various color options are available for easy part identification or appearance matching with your equipment. Resistant to abrasion, high‑low temperature and electric insulation, these silicone stopper are widely applied in machinery equipment, electronic enclosures, metal panels, sheet‑metal cabinets, furniture and cabinetry. Custom sizes, hardness and color specifications are supported to meet diverse project requirements.
Key Features of Silicone stopper.
1. Premium Silicone Material : Made of high‑quality silicone rubber, delivering superior elasticity and compression recovery. Resists deformation after repeated inserting and removing. Optional food‑grade material available for special‑use scenarios.
2. Optimized T‑Shape Stepped Design : Press‑fit structure for quick tool‑free installation. Simply push the stopper into pre‑drilled holes to get stable, tight fitting, no glue or fasteners required.
3. Reliable Sealing & Protection : Works as dust cover, liquid barrier and shock buffer. Effectively block dust, water, oil and debris, protecting internal parts from contamination and minor impact damage.
4. Excellent Environmental Resistance : Good anti‑aging, abrasion‑resistant and insulation performance. Stable performance under a wide range of working temperatures, suitable for long‑term continuous service.
5. Multiple Color & Custom Options : Assorted colors for product identification or appearance matching. Support custom dimensions, shore hardness and special colors to fit your exact hole‑plugging demands.
6. Wide Compatibility : Perfect for hole blank‑off on machinery housings, electronic enclosures, metal sheet panels, equipment casings, furniture and cabinets.
Application of Silicone stopper.
1. Electronic & Electrical Equipment : Ideal for sealing pre‑drilled holes on electronic enclosures, control boxes, instrument housings and circuit board assemblies. They block dust, moisture and debris ingress, offer reliable electrical insulation, and safeguard internal electronic elements against external contamination.
2. Machinery & Hardware Industry : Suitable for machinery housings, metal sheet panels, equipment shells and mechanical accessory holes. They prevent oil splashes, dust and particles from entering mechanical structures, deliver minor shock‑absorbing performance, and extend the service life of mechanical parts.
3. Furniture & Cabinetry : Widely used for furniture boards, cabinet panels, office equipment shells. These stoppers cover exposed mounting holes, conceal screw holes for neat appearance, meanwhile prevent scratch‑causing burrs and reduce noise during contact.
4. Automotive & Household Appliances : Fit for household appliance casings, automotive sheet‑metal holes and small‑size component sealing. Multi‑color options help for part differentiation. Optional food‑grade silicone is available for kitchen‑related device hole sealing.
5. Custom‑Project Scenarios : Custom‑made sizes, hardness and colors can satisfy special‑purpose requirements. They are also applicable for experimental equipment, test fixtures and various DIY hole‑capping projects.
Material
Silicone, FDA silicone
Hardness
30 ShA – 80 ShA
Color
OEM colors according to RAL or Pantone No.
Size
OEM sizes according to customer’s requirement.
Logo
Customized logo according to customer’s need.
Standard: Goods are typically supplied in about 20-25kg/carton.
Standardized Pallets: Goods are stacked on heat-treated (ISPM 15) or plastic pallets, optimized for forklift handling. Rigid Corner Protectors: High-impact cardboard corner guards are applied to the full height of the stack. This prevents the straps from cutting into the rubber and maintains the vertical integrity of the pallet.
What is a T‑shape silicone stopper used for?
It is a press‑fit hole‑plugging component, mainly for blanking pre‑drilled holes. It provides dustproof, waterproof, insulation and shock‑buffering functions, covering holes on enclosures, metal panels, furniture and machinery housings to stop dirt, water and debris from entering.
Can I install these silicone stoppers without glue?
Yes. The stepped T‑shape design adopts interference press‑fit structure. Simply push the stopper into the matching hole, it will stay tight and firm. No adhesive or extra fasteners are required for normal‑size matched holes.
What temperature range can silicone stoppers withstand?
General‑purpose silicone stoppers normally work from ‑40℃ to 200℃. Performance will vary according to silicone hardness and material grade. Please inform us if you need stoppers for extreme high‑low temperature working conditions.
Are custom sizes, hardness and colors supported?
Yes. We support custom outer diameter, stem size, shore hardness and customized colors. MOQ will be different for custom‑molded items. Stock multi‑color options are available for standard sizes.
Are these silicone stoppers food‑grade?
Standard stock silicone stoppers are general‑industrial grade, not for direct food contact. Food‑grade silicone material is available upon request for kitchen‑related or food‑contact scenarios.
Will the silicone stopper become loose or fall out easily?
When selected for the correct hole diameter, the interference‑fit design keeps it secured. Improper oversized hole will cause looseness. Please confirm your actual hole size before ordering.
Can silicone stoppers resist oil and aging?
Silicone features good anti‑aging and weather‑resistant performance for long‑term indoor & outdoor use. Note: it is not suitable for long‑time immersion in heavy‑duty mineral oil.
What industries are these stoppers suitable for?
Widely applied in electronic enclosures, machinery equipment, metal sheet panels, furniture, cabinets, home appliances, automotive accessories and test fixtures.
If you have any questions or needs about the product, please fill in the following form and we wll contact you as soon as possible.
PHONE: +86 0532 8769 9025
EMAIL: sales@todorubber.com
Located in Linqu County
Located in Jiaozhou City
Located in Renqiu City
Located in Laixi City
