12 x 18 mm Solid D Shape Silicone Sponge Seal Strip

Product Overview

SealsHub supplies 12 x 18 mm solid D shape silicone sponge seal strip designed for applications requiring a larger sealing contact surface and reliable compression performance. The balanced D-shaped profile combines a flat mounting side with a rounded sealing surface, helping provide stable contact, cushioning and protection against dust, moisture and vibration.

Made from closed-cell silicone sponge rubber, this profile offers flexible compression recovery and long-term sealing performance in demanding industrial environments. It is suitable for equipment sealing, enclosure protection, and custom gap filling applications where consistent compression is required.

Key Features

• D-shaped profile with a flat base and rounded sealing surface for stable installation and contact
• Closed-cell silicone sponge structure provides flexible compression and cushioning performance
• Suitable for applications requiring increased sealing height and gap compensation
• Maintains elasticity over extended service periods under temperature variations
• Available in continuous lengths for easy cutting and installation
• Custom profile development available for OEM sealing requirements

Specifications

Applications

Common applications include:

• Electrical cabinets and control equipment
• Industrial machinery covers and access panels
• Enclosures requiring cushioning and compression sealing
• Automotive and transportation sealing systems
• Lighting equipment and protective housings
• Custom OEM sealing assemblies

Installation

The silicone sponge seal strip can be installed by bonding, pressing into position, or using optional adhesive backing depending on the application design. The sealing surface should be clean and free from dust, oil or debris before installation to ensure reliable adhesion and compression performance.

Custom Options

Custom colors, lengths and profiles available upon request.

SealsHub can also provide customized silicone sponge profiles with different dimensions, hardness levels, adhesive backing, and production specifications according to OEM requirements.

FAQ

Q: Is this silicone sponge seal available in continuous lengths?
A: Yes. The profile can be supplied in continuous rolls or customized lengths according to project requirements.

Q: Can SealsHub produce other sizes of D shape silicone sponge seals?
A: Yes. SealsHub supplies a wide range of D-shaped silicone sponge profiles, from small precision sealing sections to larger profiles for industrial compression applications.

Q: Can adhesive backing be added to this seal strip?
A: Yes. Standard supply is without adhesive backing. Custom adhesive backing can be added according to application requirements.

Q: What is the difference between solid silicone sponge and solid silicone rubber profiles?
A: Silicone sponge profiles provide a softer, more compressible structure for gap filling and cushioning, while solid silicone rubber profiles are denser and designed for higher mechanical strength.

ength.