Flexible materials. Finished with precision.
Precision in every flexible part
Rubber, foam and adhesive components, developed around your manufacturing and assembly requirements.
Custom components. Practical manufacturing.
From design to production
Molding, precision cutting and converting bring material selection and component design into production.
Production and inspection, working together.
Quality through the process
Material, dimensional and visual checks support the development of application-specific flexible components.
Rubber. Foam. Adhesives.
Materials for your application
Select the material and form for sealing, cushioning, bonding, insulation and protection.
Molded Products
Molded Rubber Parts
Custom rubber components for sealing, cushioning and protection, developed around your material and assembly requirements.
- Custom shapes for sealing, cushioning and protection.
- Solid and selected foam compounds for different assembly requirements.
- Prototype development followed by production and finishing.
- Compression molding and curing for shaped rubber parts.
- Secondary die cutting, laser cutting, waterjet and oscillating-knife cutting.
- Material, hardness and geometry selected around the working environment.
EPDM · Neoprene (CR) · NBR · Silicone (VMQ) · FKM · FVMQ
Select the compound by media compatibility, temperature and compression requirements.
Sealing Tapes
Foam and Sealing Tapes
Rubber and foam tapes for sealing, bonding, cushioning and protection, supplied as rolls, strips or custom converted shapes.
- Seal against water and dust, or provide cushioning and vibration control.
- Adhesive-backed options for bonding and efficient assembly.
- Acoustic, insulation and shielding materials selected by function.
- Solid rubber and open- or closed-cell foam options.
- Rolls, strips and die-cut shapes with lamination where needed.
- Cutting and converting selected to suit the substrate and profile.
EPDM · Neoprene · NBR · Silicone · EVA · PU Foam · PVC Foam · IXPE Foam · Shielding Composites
Match the foam structure and adhesive system to the sealing surface and application.
Applications
Flexible components, working in your application
Sealing, cushioning, bonding, filtering and protection for industrial assemblies.
Cushioning + Vibration Damping
Materials for cushioning, impact absorption and vibration damping.
Gaskets + Sealing
Gaskets and sealing materials for reliable interfaces.
Bonding + Joining
Flexible materials for bonding and joining surfaces.
Filtering + Venting
Materials for controlled filtering and venting.
Acoustics + Damping
Materials for acoustic damping and noise control.
Thermal Insulation + Surface Protection
Materials for thermal insulation and surface protection.
Changzhou SEAL Technology Co., Ltd.
Flexible material solutions, from design to production
SEAL produces precision parts from rubber, foam, adhesive and other flexible materials. We work closely with customers to address manufacturing and assembly requirements.
Our team supports each project from material selection and design through prototyping, production and delivery. Molding, die cutting, extrusion and secondary converting help turn materials into application-specific components.
6Molded rubber material families
9Sealing tape material families
5Manufacturing and cutting processes
Precision die cutting in production
Featured Products
Explore our product range
Molded ProductsMolded Silicone Components
Molded silicone parts for temperature-sensitive sealing and electrical insulation.
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Seals & GasketsEPDM Die-Cut Gaskets
Profiled EPDM gaskets for outdoor, water-contact and enclosure sealing.
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Sealing TapesIXPE Foam Sealing Tapes
Closed-cell IXPE foam tape and converted profiles for sealing, cushioning and insulation.
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O-RingsFKM O-Ring Seals
FKM O-rings for oil, fuel and temperature-sensitive sealing applications.
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Rubber ExtrusionsEPDM Rubber Extrusions
Continuous EPDM profiles for weather-resistant linear sealing and protection.
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Rubber SheetsSilicone Rubber Sheets
Silicone sheets for seals, insulation and custom converted components.
View productOur Advantages
Why choose SEAL?
Technical support, precision equipment and quality control throughout your project.
01
Strong technical support
Our team works with you from design and prototype development to the final production process.
Explore capabilities
02
Precision production equipment
Manufacturing and converting equipment support custom parts with the geometry and accuracy your application requires.
Explore processes
03
Quality throughout production
Material and finished-part checks support quality control through the production process.
Discover our approach
04
Responsive service support
From sampling and production through packaging and delivery, our team supports your order and assembly requirements.
Discuss your applicationTechnical Development
From material selection to a finished part
We work with customers on material selection, structure and processing. Production and inspection equipment support development from an initial design to a repeatable component.
Design. Prototype. Production.
- Select rubber, foam and adhesive materials around the operating conditions.
- Develop custom shapes with molding, cutting, extrusion and lamination.
- Check dimensions, material performance and finished parts during production.
Applications in Practice
Sealing solutions in real assemblies
Explore how seals, cushions and flexible components fit into battery systems, enclosures, handling equipment and valves.
Battery Pack Sealing
Gaskets fitted to the perimeter and interfaces of battery assemblies.
Energy Storage Enclosures
Flexible seals around equipment housings and cover interfaces.
Vacuum Handling Components
Flexible contact components used in automated handling equipment.
Valve Sealing Components
Molded sealing components for valve and pipe interfaces.
Blog
Knowledge for your next application
Industry Insights ·
From a flexible material to a custom gasket
Explore molding, die cutting and converting routes for custom flexible components.
Read article
Industry Insights ·
Solid rubber or foam: selecting the right sealing form
Compare solid rubber and foam structures for sealing, cushioning and vibration control.
Read article
Industry Insights ·
Choosing a sealing material for the operating environment
Match the material to temperature, contact media, compression and the assembly surface.
Read article