Spongy Silicone Strip is ideal material of
Silicone Sponge Extrusion
Your Professional Silicone Sponge Extrusion Supplier!
Sanpu Silicone Co., Ltd. is a leading manufacturer of silicone sheets in China. We offer all kinds categories of silicone, including: Silicone Sponge Sheets, Silicone Foam Sheet, Silicone Sponge Extrusion, Silicone Solid Sheet, Silicone Solid Extrusion, Silicone Tube.
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![Spongy Silicone Strip]()
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![Silicone Sponge Profile]()
Silicone Sponge ProfileSilicone sponge profile is ideal sealing and gasket for special need in demanding environment. silicone sponge profiles have the same performance of extruded silicone sponge strip, but offers...read more -
![China Silicone Foam Sponge Rubber Extrusion]()
China Silicone Foam Sponge Rubber Extrusionchina silicone foam sponge rubber extrusion not only maintances the advantage of silicone sponge, but also can be more flexible for producing complex cross-sectional shapes (such as irregular...read more -
![Custom Silicone Sponge Profiles]()
Custom Silicone Sponge ProfilesCustom Silicone Sponge Profiles not only maintance the advantage of silicone sponge, but also can be more flexible for producing complex cross-sectional shapes (such as irregular pipes, porous...read more -
![Rectangular Silicone Sponge]()
Rectangular Silicone SpongeRectangular Silicone sponge is one of the most popular silicone sponge sealing strip too, which is ideal material for linear gap sealing, groove filling, edge sealing and preformed sealingread more -
![Closed Cell Silicone Sponge Extruded]()
Closed Cell Silicone Sponge ExtrudedClosed Cell Silicone Sponge Extruded not only maintance the advantage of silicone sponge, but also can be more flexible for producing complex cross-sectional shapes (such as irregular pipes,...read more -
![Oem Silicone Sponge Extrusion]()
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![Silicone Sponge Extrusions]()
Silicone Sponge ExtrusionsSilicone Sponge Extrusions not only maintance the advantage of silicone sponge, but also can be more flexible for producing complex cross-sectional shapes (such as irregular pipes, porous...read more -
![Silicone Sponge Rubber Extrusions]()
Silicone Sponge Rubber ExtrusionsSilicone Sponge Rubber Extrusions not only maintance the advantage of silicone sponge, but also can be more flexible for producing complex cross-sectional shapes (such as irregular pipes, porous...read more -
![Customizable Silicone Sponge Profiles]()
Customizable Silicone Sponge ProfilesCustomizable Silicone Sponge Profiles not only maintance the advantage of silicone sponge, but also can be more flexible for producing complex cross-sectional shapes (such as irregular pipes,...read more -
![Silicone Sponge Extruded Profiles]()
Silicone Sponge Extruded ProfilesSilicone Sponge Extruded Profiles not only maintance the advantage of silicone sponge, but also can be more flexible for producing complex cross-sectional shapes (such as irregular pipes, porous...read more -
![Sealed Extruded Silicone Sponge For Sunroofs]()
Sealed Extruded Silicone Sponge For Sunroofssealed extruded silicone sponge for sunroofs not only maintance the advantage of silicone sponge, but also can be more flexible for producing complex cross-sectional shapes (such as irregular...read more
Why Choose Us
Patent Certificate
We have obtained ROHS certification (for closed-cell silicone foam), V-0 certification, FDA certification, ROHS certification (for open-cell silicone sponge), and REACH certification.
Wide Applications
Our products have been widely used in a variety of industries, including electronics, automotive manufacturing, medical devices, aerospace, and architectural decoration, demonstrating excellent applicability and compatibility.
Advanced Equipment
We are equipped with a comprehensive suite of advanced production equipment, including fully automated silicone compounding lines, precision injection molding equipment, high-precision extrusion systems, and advanced online testing instruments. This ensures complete automation and control of the entire process, from raw material processing to finished product formation.
Quality Control
The high-performance silicone materials we produce adhere strictly to the ISO 9001 international quality management system standards and relevant industry regulations. Every step, from raw material procurement to finished product delivery, undergoes rigorous quality control.
Specification
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Hardness Shore A |
30-90 |
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Density pcf |
66-76(1.07-1.22g/cm³) |
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Pore structure |
Closed cell |
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Tensile strength psi/kpa, Min (test value) |
>87/600 |
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Elongation%, Min |
>150 |
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Temperature range(℃) |
-50~220 |
Our Best-Selling Silicone Sponge Extrusion
1. Silicone Sponge Tube
Silicone sponge tubing offers a flexible and durable solution for sealing, insulating, and protecting components in demanding environments. Closed cell silicone sponge tube is engineered to deliver excellent thermal insulation, shock absorption, high and low temperature resistance and aging resistance across a wide range of industries.
2. Square Silicone Sponge
Square Silicone foam is designed to suit some demanding environments, such as offers a durable solution for sealing, insulating, and protecting components in narrow and high temperature environments.
3. Rectangular Silicone Sponge
Rectangular Silicone sponge offer the same physical characteristics and properties as the solid silicone rubber alternatives and better sealing performance. The outstanding sealing performance of silicone foam extrusion greatly benefits from the superior flexibility and compression which allows silicone foams to form a tight seal before returning to its original shape after use.
Our Company Has More Products to Offer. Please Browse the Product Categories on the Website. If You Have Any Needs, Please Contact Us.
Silicone Sponge Extrusion Features
Available in: Cord, Profiles, Tubing, Sections
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Excellent Ozone and UV Resistance
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Thermally stable over a wide range of temperatures from -76°F to 446°F (-60°C to 230°C)
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Densities ranging from 12 lb/ft³ to 33 lb/ft³ (200 kg/m³ 530 kg/m³)
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Closed Cell Sponge Material
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The Role of Silicone Sponge Extrusion
Silicone sponge extrusion is the process of producing a continuous length of silicone sponge material with a specific shape and cross-sectional profile. The extrusion process involves forcing a pre-formed silicone sponge compound through a specially designed die using high pressure and temperature. As the material is extruded through the die, it takes on the shape and size of the die opening, forming a continuous length of sponge material.
Silicone sponge extrusions can be produced in a variety of shapes and sizes, including round, rectangular, square, and custom profiles. They can also be produced with various densities and durometers to meet specific application requirements.
Customized Service
1. We accept customization of various product attributes, including color, size, structure, surface finish, logo, adhesive type, and other specifications.
2. We can provide product design files in the following formats: 3D drawings in STP or IGS format, and 2D drawings in CAD or PDF format.
3. Customers can obtain a detailed quotation upon request by submitting their specific requirements.
Silicone Sponge Extrusion: Ratings and Regulatory Standards
Formulated for durability and flexibility, our silicone sponge extrusion are manufactured using proprietary in-house silicone mixing. This enables us to offer profiles with a broad range of compression deflection ratings — from ASTM D 1056 2D1 (soft density) to ASTM D 1056 2D5 (extra firm density). Each profile is capable of withstanding continuous temperatures from -85°F to +400°F, making them well-suited for applications exposed to thermal extremes.
Our silicone foam extrusions are designed to meet a range of regulatory and industry-specific standards. Flame-retardant versions are available in every density, compliant with UL 94 V-0, UL HB (horizontal burn), and other flame-resistance standards.
Industries We Serve
Electronics:
Our silicone sponge extrusion provide reliable protection and cushioning for sensitive electronic components and devices.
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Automotive:
From weatherstripping and gaskets to vibration damping solutions, our sponge extrusions find extensive use in the automotive sector.
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Construction and Architecture:
Our silicone sponge extrusion serve as effective sealing solutions for doors, windows, and structural elements, enhancing energy efficiency and weather resistance.
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Aerospace and Aviation:
Our high-quality silicone sponge extrusion are used in aircraft and aerospace applications where reliable sealing and vibration isolation are critical.
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Appliances:
Our silicone sponge extrusion offer durable insulation and gasket solutions for various household appliances.
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Ordering Process
1. Consultation and demand analysis
2. Product selection and confirmation
3. Order placement and order review
4. Shipping and logistics tracking
Packaging and Shipping
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Packaging |
Wooden box, PE film |
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Transportation methods |
Road transport, rail transport, sea transport, air transport |
Our Certificate
FAQ
We're professional silicone sponge extrusion manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy bulk discount silicone sponge extrusion from our factory. For price consultation, contact us.
Silicone Sponge Tube, Square Silicone Sponge, foam silicone