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Custom Rubber Silicone Grommets
Custom silicone grommets are molded components designed to protect cables, wires, and tubing as they pass through panels, housings, or enclosures. They prevent abrasion from sharp edges, reduce vibration, and provide sealing and insulation in electrical and mechanical systems.
Compared with standard rubber grommets, custom silicone grommets can be manufactured in specific sizes, shapes, and hardness levels to meet different installation and environmental requirements.
Types of Silicone Grommets
Silicone grommets are available in different structural designs depending on installation requirements:
- Slit grommets – allow easy cable insertion after assembly
- Closed grommets – provide better sealing and protection
- Flanged grommets – improve retention in panel holes
- Custom molded grommets – designed according to drawings or samples
Why Choose Silicone for Custom Grommets?
Silicone rubber is widely used for custom grommet production due to its stable performance in demanding environments. Key advantages include:
- High temperature resistance for continuous heat exposure
- Excellent flexibility and compression recovery
- UV and ozone resistance for outdoor use
- Stable insulation performance in electrical applications
- Long service life with minimal aging or cracking
Custom Technical Specifications Option
- Material: Silicone Rubber (VMQ / LSR)
- Hardness: 30–80 Shore A
- Temperature Range: -50°C to +230°C
- Color Options: Black / Transparent / Custom colors
- Manufacturing Process: Injection molding / compression molding
- Compliance: RoHS / REACH / FDA (optional)
How To Work with Us
The key to great custom parts is collaboration. As a custom molding manufacturer, our engineers will stay connected with you throughout the process, and deliver products that meet your expectations.
- Send us your 2D/3D files or product concept, for an accurate quote, please send us materials, order quantity, and surface requirements.
- We review your design and send you a clear cost within 24 hours.
- Our tooling team builds the mold to your specifications, then send you T1 samples for confirmation.
- Once the sample is approved, we run full production under strict quality control
- Your finished parts are packaged securely and shipped to your location on time.
Related Products
- More Rubber Grommet
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Custom Plastic & Rubber Parts Manufacturer Solutions
01
Injection Molding
02
Overmolding
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Insert Molding
04
CNC Machining
Need custom rubber, plastic, or polyurethane parts? FlexiParts offers prototyping and on-demand, low to high-volume production of high-quality, durable components. Whatever your needs, we deliver reliable custom parts on time and within budget. Start your project with us today!



