Silicone Gaskets Manufactured to Your Specification
Silicone gaskets are flexible sealing components designed for applications requiring excellent temperature resistance, flexibility and long-term durability. Stephens Gaskets manufactures custom silicone gaskets for OEMs, engineers, food manufacturers, medical equipment suppliers and industrial businesses throughout the UK. Available in a wide range of grades, thicknesses and hardness levels, silicone gaskets provide reliable sealing performance in environments where conventional rubber materials may fail.
Silicone Gaskets Manufacturing Experts & Bespoke Silicone Gaskets Specialists
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Bespoke Manufacturing
Instant Quote Service
Worldwide Delivery
Various Gauges/Thicknesses
Bespoke Manufacturing
Instant Quote Service
Worldwide Delivery
Various Gauges/Thicknesses
What Are Silicone Gaskets?
A silicone gasket is a sealing component manufactured from silicone rubber and designed to prevent the leakage of liquids, gases, dust or contaminants between mating surfaces.
Silicone gaskets are widely used because they offer:
- Excellent high-temperature resistance
- Outstanding low-temperature flexibility
- UV resistance
- Ozone resistance
- Long service life
- Good compression recovery
- Excellent weather resistance
These characteristics make silicone one of the most versatile gasket materials available.
Custom Silicone Gasket Manufacturing
Stephens Gaskets manufactures silicone gaskets for a wide range of industries and applications.
We can produce:
- Flat silicone gaskets
- Silicone sealing washers
- Silicone foam gaskets
- Food-grade silicone gaskets
- High-temperature silicone gaskets
- Medical-grade silicone components
- Bespoke profiles and shapes
Manufacture can be based on:
- CAD files
- Technical drawings
- Existing samples
- Reverse-engineered components
- Customer specifications
Why Choose Silicone Gaskets?
Silicone offers several advantages over many traditional gasket materials.
Exceptional Temperature Resistance
Silicone remains flexible across a broad temperature range.
Typical operating temperatures range from:
- -60°C to +230°C
Specialist grades may perform beyond these limits depending on the application.
UV and Weather Resistance
Unlike many elastomers, silicone performs exceptionally well in outdoor environments.
Benefits include:
- UV resistance
- Ozone resistance
- Weather resistance
- Long-term durability
Flexibility and Compression Recovery
Silicone maintains flexibility over extended periods, helping preserve sealing performance.
Clean and Non-Toxic Material
Many silicone grades are suitable for food, beverage, pharmaceutical and medical applications.
Silicone Gasket Material Grades
General Purpose Silicone
Suitable for:
- Industrial sealing
- Electrical enclosures
- HVAC equipment
- Machinery applications
Food Grade Silicone
Commonly used in:
- Food processing equipment
- Beverage production
- Commercial kitchens
- Packaging systems
Medical Grade Silicone
Used within:
- Medical devices
- Healthcare equipment
- Laboratory systems
High Temperature Silicone
Specified where extreme temperatures are encountered.
Applications include:
- Ovens
- Furnaces
- Industrial heating systems
- High-temperature processing equipment
Silicone Gasket Hardness Guide
Silicone gaskets are available in different Shore A hardness levels.
|
Hardness |
Characteristics |
Typical Applications |
|
30 Shore A |
Very soft and flexible |
Delicate sealing applications |
|
40 Shore A |
Soft and compressible |
Enclosures and low clamping force applications |
|
50 Shore A |
General-purpose grade |
Industrial sealing |
|
60 Shore A |
Medium firmness |
Machinery and engineering applications |
|
70 Shore A |
Firm and durable |
Higher-load sealing requirements |
|
80 Shore A |
Harder material |
Specialist engineering applications |
Silicone vs EPDM Gaskets
Both materials are popular choices, but they perform differently.
|
Feature |
Silicone |
EPDM |
|
Temperature Range |
Excellent |
Good |
|
UV Resistance |
Excellent |
Excellent |
|
Ozone Resistance |
Excellent |
Excellent |
|
Food Grade Availability |
Excellent |
Limited |
|
Flexibility at Low Temperatures |
Excellent |
Good |
|
Cost |
Higher |
Lower |
|
Best For |
High temperatures and specialist applications |
General outdoor sealing |
High Temperature Silicone Gaskets
One of the most common reasons engineers select silicone is temperature performance.
Typical applications include:
- Ovens
- Heating equipment
- Industrial processing
- Electrical systems
- Automotive components
Silicone retains flexibility where many conventional elastomers become brittle or degrade.
Food Grade Silicone Gaskets
Food-grade silicone is widely used throughout food production and processing environments.
Applications include:
- Mixing equipment
- Filling machinery
- Processing lines
- Packaging systems
- Beverage production
The material’s clean, non-toxic properties make it suitable for hygienic applications.
Electrical and Electronic Applications
Silicone gaskets are commonly used within electrical and electronic assemblies.
Applications include:
- Control panels
- Enclosures
- Lighting systems
- Telecommunications equipment
- Battery systems
Their resistance to heat, moisture and environmental exposure makes them particularly valuable.
Industries Using Silicone Gaskets
Stephens Gaskets supplies silicone gaskets to customers operating in:
- Food manufacturing
- Medical equipment
- Electrical engineering
- Automotive
- Aerospace
- HVAC
- Water treatment
- General manufacturing
- Industrial engineering
Bespoke Silicone Gaskets Made in the UK
Stephens Gaskets manufactures silicone gaskets to exact customer requirements.
Capabilities include:
- CNC cutting
- Laser cutting
- Die cutting
- Press cutting
- Prototype production
- Batch manufacturing
- Reverse engineering
Whether you require a single prototype or ongoing production supply, our team can help.
Why Choose Stephens Gaskets?
Stephens Gaskets has over 70 years of experience manufacturing precision sealing solutions.
Customers choose us because we offer:
- UK manufacturing
- Bespoke silicone gasket production
- Fast quotation turnaround
- Material expertise
- Prototype and production capability
- Reverse engineering support
- Consistent quality standards
Related Products and Services
You may also be interested in:
- Rubber Gaskets
- EPDM Gaskets
- PTFE Gaskets
- Viton Gaskets
- Nitrile Gaskets
- Foam Gaskets
- Gasket Material
- Custom Gaskets
Worldwide Delivery
Fast turn around
High quality components
Technical support
Frequently Asked Questions
What are silicone gaskets used for?
Silicone gaskets are used for sealing applications involving temperature extremes, weather exposure, food processing, medical equipment and industrial machinery.
Are silicone gaskets heat resistant?
Yes. Silicone gaskets can typically operate between -60°C and +230°C, making them suitable for both low-temperature and high-temperature environments.
Are silicone gaskets food safe?
Food-grade silicone materials are widely used within food and beverage processing equipment because they are non-toxic and hygienic.
What hardness silicone gasket should I choose?
The correct hardness depends on compression requirements, surface condition and application demands. Most industrial applications use materials between 50 and 70 Shore A.
Are silicone gaskets waterproof?
Yes. Silicone gaskets provide excellent resistance to water, weathering and moisture exposure.
Can Stephens Gaskets manufacture custom silicone gaskets?
Yes. Stephens Gaskets manufactures bespoke silicone gaskets from drawings, CAD files, samples and customer specifications.
Do Stephens Gaskets manufacture silicone gaskets in the UK?
Yes. Stephens Gaskets manufactures custom silicone gaskets in the UK for engineering, industrial and OEM customers.
Request a Silicone Gasket Quote
Need a custom silicone gasket manufactured to your specification?
Contact Stephens Gaskets today to discuss your requirements.
Prefer to talk it through?
Call: 0121 544 5808
Email: sales@stephensgaskets.co.uk
Website: https://www.stephensgaskets.co.uk/