Sponge Silicone Seal Strip Manufacturer
Professional manufacturer of sponge silicone sealing strips, offering a wide range of types and ensuring on-time delivery.
- Excellent weather and UV resistance
- Provide FDA certificate
- Low compression set resistance
- Customization supported
- Versatile for sealing applications
Our Project
Key Benefits of Sponge Silicone Seal Strip
Our factory manufactures products using high quality raw materials; our sponge silicone sealing strips meet FDA and RoHS standards and feature excellent temperature resistance, resistance to compression set, and a long service life.
- Wide operating temperature:Our foam silicone sealing strips have a temperature resistance range of -60℃ to over 200℃, effectively adapting to temperature changes.
- Compression set resistance:Excellent resilience; can be repeatedly compressed and recover.
- UV and ozone resistance:Our sponge silicone sealing strips are resistant to UV rays, ozone, and aging, with a long service life.
- FDA approval:Materials compliant with FDA and other standards are available.
Types of Sponge Silicone Seal Strip We Manufacture
We manufacture various types of silicone sponge sealing strips and offer customization to meet your specific needs. Contact us today to start your next order!
Silicone Sponge Strip
Our sponge silicone seal strips can be customized in size and shape to meet your application and project requirements.
Self Adhesive Silicone Sponge Seal Strip
Our sponge silicone seal strips are available in a range of material densities: soft, medium, and hard.
silicone rubber sponge strip
Standard colors include red and white, but you can also choose other different colors.
white silicone sponge seal strips
Our sponge silicone seal strips are made from high-quality materials, they are waterproof and moisture-resistant, offering excellent sealing performance.
Custom Silicone Sponge Profile
We support the customization of silicone sealing strips and can tailor them to your specific size and shape requirements.
Silicone Sponge Gasket
We manufacture these silicone sponge sealing strips in-house; they undergo 100% factory inspection to ensure quality.
Sponge Silicone Seal Strip Supply in China
Our factory has extensive experience in the production of sponge silicone seal strips and provides high quality products that meet industry standards. We offer silicone foam strips in various thicknesses to meet your specific needs.
Our sponge silicone seal strips are flexible sealing products made of foamed silicone material. Their internal microporous structure makes them exceptionally soft, easily compressible, and with excellent resilience. They offer superior sealing performance and excellent resistance to UV rays, ozone, and weathering, effectively blocking dust and moisture, and can be used as gap fillers or shock-absorbing seals.
In addition to standard products, we also offer customization options, including color, length, width, thickness, and density, to meet your unique specifications. We provide flexible supply solutions for pipes and sealing components. For applications requiring higher fire safety, we also offer flame retardant silicone foam strips designed to reduce the risk of combustion.
Our sponge silicone seal strips also offer a self adhesive backing option for easy installation. The silicone adhesive has higher temperature resistance, while the acrylic adhesive offers strong adhesion. You can choose according to your needs.
We have professional production facilities with stable production capacity and strict quality control. Our sponge silicone sealing strips meet FDA and RoHS certification standards, so you can choose our products with confidence. Contact us today to start your next order!
Why Choose Our Sponge Silicone Seal Strip
Professional Silicone Extrusion Manufacturing
Our factory has extensive experience in manufacturing sponge silicone sealing strips and other silicone profiles. Having served over 200 clients worldwide, we understand the specific needs of various markets, so you can choose us with confidence.
Certificate
Our factory holds IATF 16949 and ISO 9001 certifications, and we can also provide FDA and RoHS certifications for our silicone sponge sealing strips; our materials undergo rigorous testing to meet your specific requirements.
Strict Dimensional Control
We employ advanced manufacturing processes and strictly control the dimensions of our sponge silicone sealing strips during production to ensure that the width, thickness, and cross-sectional dimensions fully meet your specifications; every batch undergoes inspection for dimensional accuracy and visual quality.
Competitive Price
We are a sponge silicone sealing strip factory, producing directly from the factory without middlemen, allowing us to offer the most competitive prices and quality.
Customization Supported
We can customize sponge silicone sealing strips based on your drawings, samples, or specific requirements, including various cross-sectional shapes, dimensions, and hardness specifications.
On-Time Delivery
Our factory has a dedicated PMC department that can schedule production based on your order size, strictly controlling delivery times to ensure your sponge silicone seal strip are delivered on time.


Custom Sponge Silicone Seal Strip Solutions
Different applications require different sponge silicone seal strips. We can manufacture custom strips based on your drawings, samples, or specifications, ensuring that dimensions and performance meet your exact needs.
We can also customize raw material formulations to adjust hardness and density, as well as enhance heat resistance, weather resistance, and flame retardancy to satisfy specific requirements. For applications requiring quick installation, we offer self-adhesive sponge silicone seal strips featuring suitable backing adhesives.
Our rapid prototyping center enables us to produce samples quickly; we proceed to mass production and ensure timely delivery only after the samples meet your approval. Contact us today to start your custom sponge silicone seal strip order!


Applications of Sponge Silicone Seal Strip
Kinglin’s sponge silicone seal strips are specifically designed for a variety of applications, providing reliable seals for equipment, machinery, and enclosures. With their excellent compression resilience, weather resistance, and sealing performance, they are widely used in the automotive, electronics, industrial equipment, and HVAC industries.
- Industrial Equipment
- Electrical Cabinets
- Oven and Heating Equipment
- Automotive Applications
- HVAC Equipment
- Food Processing Machinery Seal
- Oven Seals
- Door Seals
- High Temperature Sealing
Multiple Sizes and Shapes Available for Different Sealing Requirements
We can manufacture sponge silicone sealing strips in a variety of shapes, such as D shaped sponge silicone seal strips, P shaped sponge silicone seal strips, square sponge silicone seal strips, and rectangular strips, and in various sizes, including 1/8″, 1/4″, 3/8″, 1/2″, 5/8″, 3/4″, and 7/8″.
We can manufacture products to your specifications and cut them to your required lengths.
If standard shapes and sizes do not meet your needs, we also offer custom manufacturing services.
Contact us today for the most competitive prices!
Welcome to Visit Our Factory!
We just moved into the new factory in May this year, welcome to visit our new factory
Kinglin is a professional silicone hose manufacturer in China with more than 20 years of experience. You can trust us.
Sponge Silicone Seal Strip Feature
Excellent Compression Recovery
We utilize materials with a silicone sponge structure that offer excellent flexibility and compression resilience, ensuring the sealing strips maintain reliable sealing performance even after repeated compression and release.
Soft & Flexible Structure
Our silicone sponge sealing strips easily conform to uneven surfaces and various sealing gaps, ensuring a tighter fit against equipment doors and panels.
Effective Gap Filling
Our silicone sponge sealing strips can be flexibly installed into irregular gaps, helping to prevent the ingress of dust, moisture, and air while enhancing the equipment's overall sealing performance.
Excellent Heat & Weather Resistance
Our silicone sponge sealing strips offer stable performance across temperature fluctuations and feature excellent resistance to UV, ozone, and weathering, making them ideal for both indoor and outdoor industrial applications.
Excellent heat resistance
Our silicone sponge sealing strips offer excellent temperature resistance, with an operating range of -60°C to 260°C; they maintain stable performance amidst temperature fluctuations without hardening or sustaining damage.
Dustproof and waterproof seal
Our flexible sponge silicone sealing strips resist wind, rain, and moisture, protecting the equipment housing.
Global Participate Exhibition
Over the years, Kinglin has actively participated in exhibitions around the world, connecting with global customers. Through face-to-face communication, we are able to better understand market demands and improve our products and services.
We also welcome you to visit our Let’s build trust and develop long-term business cooperation.









Frequently Asked Questions
If your question is not listed, please email us now
our sponge silicone seal strip is a flexible sealing product made from silicone sponge rubber. It provides excellent compression recovery, gap filling and sealing performance for industrial applications.
Sponge silicone seal strips have a softer sponge structure with better compression and gap-filling capability, while solid silicone seal strips provide higher strength and support.
Yes, silicone sponge seal strips provide reliable sealing against moisture, dust and water when properly compressed and installed.
Silicone sponge seal strips offer excellent temperature resistance and can maintain stable performance in a wide range of temperature conditions. Specific temperature ratings depend on the material grade.
We offer various sizes and profile shapes, including D, P, square, rectangular and custom profiles to meet different sealing requirements.
Yes, silicone sponge materials offer good resistance to UV, ozone and weather aging, making them suitable for many outdoor sealing applications.
We look forward to assisting you!
Free sample delivery
Get in touch
Boost Your Projects With Sponge Silicone Seal Strips!
In order to provide better silicone coolant hoses and customized services, please contact us!
Email us
admin@hbkinglin.com
Phone
19831652901
Location
East Of Wuzhishan Road, North Of Honghe Street, Xingtai, Hebei, China