Silicone Extrusion

Your Professional Silicone Extrusion Product Supplier!

 

Sanpu silicone Co. Ltd is the leading silicone sheet manufacturer in China,specializing in a full range of silicone and silicone foam products for 15 years. 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.

 

 
  • Silicone Seal Profiles
    Silicone Seal Profiles are a type of silicone rubber product with a solid cross-section ,being useding as sealing strips.
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  • Rectangular Silicone
    Silicone rectangle is one of our solid silicone extrusion. Rectangle silicone strip is ideal for sealing and gasket application for its excellent physical performance in extreme environment.
    read more
  • Silicone Cord
    Silicone cord is the ideal choice for meeting dynamic and irregular sealing requirements for its softness, good adhesion and easiness to deform.
    read more
  • Square Silicone
    Square silicone (Square Extruded Solid Silicone) is one of most popular high-quality silicone product. They are made from 100% pure silicone, which is known for its excellent resistance to extreme...
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  • Extruded Silicone Tube
    This Extruded silicone tube is ideal for conveying liquid materials application for its outstanding chemical stability in almost every environment.
    read more
  • Silicone Rubber Profiles
    Silicone Rubber Profiles are ideal materials for sealing, filling, shock absorption, insulation and protection applications in many industries
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  • Extruded Silicone Profiles
    Extruded Silicone Profiles are ideal materials for sealing, filling, shock absorption, insulation and protection applications in many industries
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  • Silicone Extruded Profiles
    Silicone Extruded Profiles are ideal materials for sealing, filling, shock absorption, insulation and protection applications in many industries
    read more
  • Silicone Rubber Ideal For Custom Profiles
    Silicone Rubber Ideal For Custom Profiles refer to silicone extrusions whose cross section is easy and cheap to make customization
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  • Silicone D-profiles
    Silicone D-profiles refer to silicone rubber extrusions with D-shaped cross-section
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  • Silicone Profiles & Cords
    Silicone profiles and cords are 2 kinds of basic industrial component with excellent performance and wide application
    read more
  • Silicone Extrusion Profiles
    Silicone rubber extruded profiles are a kind of basic industrial component with excellent performance and wide application
    read more
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Why Choose Us
 
01/

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.

02/

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.

03/

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.

04/

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.

 

Silicone Extrusion Profiles

 

Silicone Extrusion Introduction

Silicone extrusion is a manufacturing process that involves shaping silicone into continuous profiles such as tubes, strips, and gaskets. This is achieved by forcing uncured
silicone through a die, followed by curing to ensure durability and precision. Silicone extruded products are highly valued for their consistency and ability to meet specific design requirements.
The process relies on specialized silicone rubber extrudes, which play a critical role in shaping the material accurately. Using extrusion silicone technology, manufacturers can produce durable, customized components for various industries, including automotive, medical, and electronics.

 

 

Specification

 

 

Technical Data Sheet

Number

Test Items

Unit

Test Result

1

Tensile strength

Mpa

7.5

2

Elongation

%

350

3

Hardness

Shore A

60±5

4

Temperature rate

-60-220

5

Density/Gravity

g/cm3

1.25

 

Benefits Of Silicone Extrusion

 

 

Design Versatility
One of the key advantages of this extrusion process is its ability to create custom profiles. Products like custom rubber seals and gaskets can be designed to meet specific shapes and dimensions. This flexibility makes extrusion ideal for applications across automotive, medical, and industrial sectors, where precision and unique designs are important.
 

Production Efficiency
The extrusion process is highly efficient, producing consistent and reliable extruded rubber products. The process allows manufacturers to produce continuous lengths of material with uniform cross- sections, minimizing errors and ensuring high- quality output. This consistency makes it suitable for industries that demand large- scale production without compromising on quality.
 

Cost Savings
Silicone extrusion reduces waste by utilizing precise shaping and curing techniques. This leads to significant cost savings, especially when producing custom rubber molded parts. The ability to manufacture durable, long-lasting products in a streamlined process further enhances its cost- effectiveness, making it a preferred choice for manufacturers.

 

Types of Silicone Extrusion
 

Tubing Extrusion:
Perhaps the most common of the available processes is tubing extrusion. Here, you create silicone straws or tubes, which can be used across different functions. With tubing extrusion, silicone tubing suppliers have the freedom to create tubes that offer different properties – thicknesses, diameters, and much more. These tubes go on to work in different fields, from food to medical and industrial applications.

 

Profile Extrusion:
In profile extrusion, the focus is on creating silicone products that offer different cross-sectional shapes. These products are quite intricate, and making them with other processes might not necessarily be convenient.

 

Solid Cord Extrusion:
If you're looking to create a cylindrical silicone rod or cord, then this process is perfect for you. It is quite similar to the process that silicone tubing manufacturers use, although it is better suited for creating seals, o-rings, and more.

 

Sponge Cord Extrusion:
This process is also quite similar to the solid cord extrusion. However, it varies as the end products here tend to come with cellular structures – not necessarily cylindrical silicone extrusion profiles.

 

Strip Extrusion:
With strip extrusion, you focus on creating silicone tapes or strips. These strips need to have uniform thickness ratings so as to fit their functionalities.

 

Wire and Cable Coating:
You apply a thin layer of silicone layer on cables and wires, protecting them from harsh environments and overloaded electrical current.

 

Multi-Lumen Tubing Extrusion:
This extrusion type produces tubes with different channels. It is a form of silicone medical tubing manufacturing that shares similarities to the silicone tubing extrusion process.

 

Dual-Durometer Extrusion:
For this extrusion type, you combine two different silicone materials – each with its own hardness rating – to create a single product. The product will have different levels of rigidity or flexibility along its profile, all based on your specifications.

 

Custom Extrusion:
We have custom silicone extrusion. This process is very versatile, allowing you to create products that meet your specific requirements. Considering how complex these silicone products can be, laying out the parameters of your custom silicone extrusions will be more than important if you hope to achieve success.

 

Silicone Extrusion Production Process

Raw Material Preparation:
Every extrusion process starts with the preparation of the right raw materials. In this case, you get the silicone rubber in the form of solid pellets. Or, in some cases, a compound in the form of gum.

 


Material Mixing and Compounding:
This step in silicone extrusions will involve combining the raw silicone with different additives. These can be curing agents, reinforcing fillers (such as silica) and more. The objective is to enhance and optimize the material's overall properties so it is able to perform better for its intended purpose.

Heating and Extrusion:

With your workspace intact, you can begin with the silicone tube extrusion process. Take the silicone material and feed it into the extruder's hopper. Here, the material is heated to an appropriate temperature- which, in most cases, lies somewhere between 150°C and 250°C (302°F and 482°F).

Cooling and Curing:

Upon getting out of the die, you want to apply cool air to the silicone. This process ensures that the material is able to take the right shape and conform to the right silicone extrusion profiles.

Cutting and Final Processing:

Once you're done with the curing or cooling process, you can go ahead to cut the final product into the appropriate lengths. This allows you to apply any final processing steps to ensure that the silicone meets requirements.

 

Silicone Extrusion Common Testing Methods

Ensuring product safety and compliance with industry standards is critical in silicone extrusion.

 
 

Dimensional Checks:

Verifying the size and shape of silicone rubber gaskets against specifications.

 
 
 

Electrical Conductivity Tests:

For electrically conductive rubber tubing, tests confirm its ability to carry electrical signals without loss.

 
 
 

Tensile Strength Testing:

Ensures the product can withstand stress without deforming or breaking.

 

 

 

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 Extrusion Profiles

 

Applications of Silicone Extrusion
 

Food Industry Applications:

In the case of food-grade application, extrusion helps in making seals, conveyor belts, and other equipment that can easily help in making different foods and beverages.

Construction:

You can also find this process being used in making tools for architectural sealing, expansion covers, glazing seals, weatherproofing, and RFID silicone wristbands.

Appliances & Consumer Goods:

Whether it's in making tools such as fridges and ovens or consumer goods such as kitchen utensils and baby products, silicone extrusion plays a considerable role.

Industrial Equipment:

Extruded silicone also comes in nifty across different industrial functions. It helps in making industrial equipment and machinery, as well as sealing in the il and gas sector where its chemical resistance comes into play.

 

Silicone Extrusion Profiles

 

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

 

 

Packaging

Wooden box, PE film

Transportation methods

Road transport, rail transport, sea transport, air transport

 

Our Certificate
 
 
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FAQ

 

 

Q: May i know which payment will be accepted by your company?

A: So far 100%T/T before shipment, and 30% deposit paid by T/T, balance paid by L/C are available.

Q: How you arrange shipment?

A: By Sea/By Train/By Air or By Express.Btw , we perfer to offer FOB price.

Q: What is silicone extrusion?

A: Silicone extrusion is the process whereby silicone is forced through a shaped die (a stainless steel disc with a pattern cut out) to produce cords, complex profiles and cross-sections.

Q: What temperature is silicone extrusion?

A: Our silicone extrusion profiles maintain their physical properties across a wide temperature range — from -85°F to +400°F — making them ideal for applications subject to heat, cold, or fluctuating conditions.

We're professional silicone extrusion manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy bulk discount silicone extrusion from our factory. For price consultation, contact us.

Silicone Profiles, silicone rubber, Square Silicone