
SealsHub supplies 3 x 4 mm solid D shape silicone sponge seal strip designed for compact sealing, cushioning and protection applications. The solid D profile features a rounded sealing surface and a flat mounting base, providing stable contact and reliable compression performance in narrow installation spaces.
Manufactured from flexible silicone sponge material, this seal strip offers excellent elasticity, temperature resistance and long-term durability for industrial equipment, enclosures and precision assemblies.
• Solid D-shaped profile with smooth rounded contact surface
• Flexible silicone sponge construction with good compression recovery
• Compact design for limited installation spaces
• Excellent resistance to heat, weathering and aging
• Suitable for custom sealing and cushioning applications
| Item | Details |
|---|---|
| Profile Shape | Solid D Shape |
| Size (W x H) | 3 x 4 mm |
| Material | Closed-Cell Silicone Sponge Rubber |
| Hardness | 10–30 Shore A (Customizable) |
| Temperature Range | -40°C to +200°C |
| Adhesive Backing | Custom adhesive backing available |
| Colors | Red, Green |
| Supply Form | Roll / Coil |
Common applications include:
• Electrical enclosure sealing
• Electronic equipment protection
• Control panel and cabinet sealing
• Small machinery and instrument cushioning
• Lighting equipment sealing
• Precision component protection
The silicone sponge seal strip can be installed using adhesive backing, bonding methods or other fixing solutions according to application requirements. The flat mounting surface helps maintain alignment, while the rounded section provides consistent compression against the mating surface.
Custom colors, lengths and profiles available upon request.
SealsHub supports OEM production for customized silicone sponge seal strips, including different dimensions, densities, adhesive backing and special profile designs.
Q: Can this silicone sponge seal strip be supplied in continuous lengths?
A: Yes. SealsHub can supply continuous silicone sponge seal strips in roll form to reduce joints and simplify installation. Custom lengths are available according to application requirements.
Q: Is this D shape silicone sponge seal strip solid or hollow?
A: This profile features a solid D-shaped structure without a center hole or internal cavity, providing a compact cushioning and sealing surface.
Q: Can adhesive backing be added to this silicone seal strip?
A: Yes. Standard supply is without adhesive backing. Custom adhesive backing can be added according to application requirements.
Q: Can SealsHub produce other sizes or customized silicone sponge profiles?
A: Yes. SealsHub supports OEM production of customized silicone sponge seal strips, including different dimensions, colors, hardness levels and profile designs.
Q: What information is needed for a quotation?
A: Please provide the required profile size, material requirements, quantity, color, application details and any drawings or samples if available.
Q: Can samples be provided before bulk orders?
A: Yes. Samples can be arranged for profile checking and application testing before mass production.
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