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I-Type Silicone Seal Strip | Flexible Groove Seal Gasket for Doors, Windows & Cabinets

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I-type silicone seal strip designed as a flexible groove seal gasket for doors, windows, cabinets, and industrial applications. Made from durable silicone rubber, it provides excellent flexibility, aging resistance, and reliable long-term sealing performance. Available in multiple sizes with custom options. Supplied in bulk rolls with sample lengths available for testing and small quantity orders.
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Estimated Delivery Date: Oct 02 - Oct 02
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I-Type Silicone Seal Strip (Groove Seal Gasket)

Product Overview

The I-type silicone seal strip is a groove sealing gasket featuring a tapered profile with a wide top and narrow bottom. Its compact single-piece structure allows secure insertion into groove channels while providing reliable sealing performance.

It is widely used in doors, windows, cabinets, and light industrial sealing systems where stable installation, flexibility, and long-term durability are required.

Made from high-quality solid silicone rubber, this I-type seal strip provides excellent resistance to aging, weathering, UV exposure, and temperature changes.

Key Features

  • I-type groove seal design for secure and stable installation
  • Narrow bottom section fits into groove channels for reliable positioning
  • High flexibility for easy installation and removal
  • Excellent dust, air, moisture, and noise sealing performance
  • Resistant to aging, UV, heat, and deformation
  • Durable silicone construction for long service life
  • Available in different sizes, colors, and custom specifications

Note: Color is specified only for non-standard color options. Products without a color indication are supplied in the standard color shown in the product specifications.

Specifications

  • Product Type: I-Type Silicone Seal Strip
  • Material: Solid Silicone Rubber
  • Structure: I-Type Tapered Profile (Wide Top / Narrow Bottom)
  • Installation: Groove insertion installation
  • Groove Compatibility: Designed for single-slot groove applications
  • Temperature Range: -40°C to +200°C
  • Hardness: 50–70 Shore A (customizable)
  • Color Options: Black / White / Grey / Custom Colors
  • Manufacturing Process: Silicone Extrusion

Length Selection Guide

Silicone seal strips are available in various lengths depending on profile size, shipping method, and order quantity.

• Standard lengths: Most specifications are available in common lengths such as 1 m, 3 m, and 10 m for sample orders, replacement parts, and regular applications.

• Large profiles: Due to their larger dimensions and shipping weight, some long-length options may be limited by standard shipping requirements. These profiles can be shipped by commercial express, air freight, or sea freight according to customer requirements.

• Bulk orders: For wholesale and engineering projects, we offer custom lengths, longer rolls, and production quantities based on project requirements.

• Custom production: If a requested size or length is not currently listed, we can manufacture it using our existing extrusion tooling, without additional tooling charges when available.

Please select the available length option for each specification. For special lengths, large quantities, or alternative shipping options, please contact us for a suitable solution.

Application

This I-type silicone gasket is widely used in:

  • Door frame sealing systems
  • Window groove sealing
  • Cabinet and furniture sealing
  • Electrical enclosure sealing
  • HVAC and light industrial equipment
  • Construction gap sealing
  • Machinery and equipment panel sealing

Size Selection

Select the correct I-type silicone seal strip according to the groove size, profile height, and sealing gap requirements. Different cross-section sizes are available for various installation conditions.

Size Chart

Why Silicone Material?

Compared with PVC or conventional rubber alternatives, silicone offers:

  • Better temperature resistance
  • Excellent resistance to aging, UV, and weathering
  • Stable elasticity and flexibility over time
  • Helps resist cracking, hardening, and performance loss in extreme environments
  • Reliable long-term sealing performance

Installation Guide

The I-type groove seal strip is installed by simply inserting the narrow bottom into a compatible groove channel. The tapered design ensures secure positioning and stable sealing performance without the need for additional adhesive, screws, or clips in suitable groove applications.

Ordering Information

We support flexible supply options:

• Standard lengths and bulk rolls available

• Sample lengths available for testing and evaluation

• Custom sizes, colors, and hardness available

• OEM & ODM support available

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