50 x 20 mm Solid D Shape Silicone Sponge Seal Strip

Product Overview

SealsHub supplies 50 x 20 mm solid D shape silicone sponge seal strip developed for applications requiring an ultra-wide sealing footprint and stable compression performance. The broad D-shaped profile creates an extended contact area while maintaining a flexible rounded sealing surface, helping improve sealing consistency across larger panels, covers and enclosure interfaces.

This silicone sponge profile is designed for large industrial assemblies where wide-area cushioning, impact absorption and reliable gap sealing are required. Its wide profile structure helps reduce uneven compression and provides enhanced protection for equipment surfaces, access panels and custom sealing systems.

Key Features

• Ultra-wide D-shaped profile provides broad sealing coverage for large contact surfaces
• Rounded sealing face helps maintain stable contact across wider sealing areas
• Closed-cell silicone sponge structure offers flexible compression and long-term recovery
• Suitable for large gaps requiring soft cushioning and impact protection
• Helps improve sealing stability on oversized covers and enclosure panels
• Available for OEM applications requiring customized large-section profiles

Specifications

Applications

Common applications include:

• Large industrial equipment covers and access panels
• Electrical cabinets, control enclosures and protective housings
• Heavy machinery covers requiring wide-area compression sealing
• Industrial enclosures with extended sealing surfaces
• Transportation equipment requiring cushioning and environmental protection
• OEM sealing assemblies using large custom silicone sponge profiles

Installation

The silicone sponge seal strip can be installed by bonding, pressing into position, or using optional adhesive backing depending on the assembly requirements. The mounting surface should be clean and dry before installation to ensure reliable attachment and sealing performance.

Custom Options

Custom colors, lengths and profiles available upon request.

SealsHub can provide customized silicone sponge seal solutions with different profile dimensions, hardness levels, adhesive backing and production specifications for OEM applications.

FAQ

Q: What makes the 50 x 20 mm D shape silicone sponge seal different from smaller profiles?

A: This profile provides a wider sealing footprint, making it suitable for applications requiring broader surface contact and coverage rather than only increased sealing height.

Q: Is this profile suitable for large enclosure sealing?

A: Yes. The wide D-shaped structure is designed for large covers, panels and equipment interfaces where consistent compression across a wider area is required.