Silicone Inflatable Seal Rings are designed to provide reliable airtight sealing in applications where conventional seals cannot compensate for dimensional variations. When inflated with air, the seal expands to fill gaps and create a uniform sealing force. They are widely used in vacuum systems, autoclaves, industrial doors, food processing equipment, and pharmaceutical machinery. Available in custom sizes, hardness levels, colors, and connection types.
| Parameter | Value | Unit |
|---|---|---|
| Tensile Strength | ≥7 | MPa |
| Elongation at Break | ≥300 | % |
| Density | 1.10-1.25 | g/cm³ |
| Air Pressure Range | 0.05-0.25 | MPa |
| Compliance | FDA / LFGB / RoHS (Optional) |
Material Grade
Production Process
Need Custom Specifications?
Our engineers can customize dimensions, hardness, color, and more for your application.
Get Custom QuoteEngineered with premium-grade silicone for demanding industrial and food-grade applications.
Stable performance from -60°C to +230°C, suitable for extreme industrial environments.
Excellent resistance to acids, alkalis, oils, and solvents. Maintains integrity in harsh chemical environments.
FDA/LFGB certified materials available. Non-toxic, odorless, and safe for direct food or medical contact.
Superior compression set resistance and long-term elastic recovery for reliable sealing performance.
Long-term outdoor durability with excellent resistance to UV radiation and ozone degradation.
Tight tolerances achieved through advanced extrusion and molding equipment with strict QC processes.
Trusted across diverse industries worldwide for critical sealing and fluid-handling applications.
20+ years of manufacturing excellence delivering consistent quality to global partners.
Deep expertise in silicone R&D, extrusion, molding and foaming since 2004. Trusted by global manufacturers.
20 extrusion lines, 12 vulcanization units, 8 cutting machines -- zero outsourcing, full quality control.
Massive production capacity ensures stable supply for bulk orders and urgent delivery requirements.
ISO9001, FDA, LFGB, RoHS, REACH, SGS -- fully certified for global market compliance.
Complimentary prototype development and fast mold making to accelerate your product development cycle.
Competitive pricing with no middlemen. Direct factory cooperation for maximum cost efficiency.
From dimensions to branding, we offer comprehensive customization services to meet your exact specifications and market requirements.
Sample Support
Free material consultation and drawing evaluation available. Prototype samples can typically be provided within 3–7 days depending on design complexity. Custom profile development and small-batch trial production are supported.
Share your specifications, application requirements, and quantity needs.
Our engineers develop technical drawings and material recommendations.
Free prototype production with fast mold making for your approval.
Full-scale production with strict quality control at every stage.
Final inspection, certification documentation, and reliable on-time shipping.
Fully certified for global market compliance. Our products meet the most stringent international quality standards.
MOQ varies by product type and customization requirements. For standard products, MOQ starts from as low as 100 meters or 500 pieces. For custom OEM/ODM orders, MOQ is negotiable based on tooling costs and production setup. Please contact us to discuss your specific requirements.
Yes, we provide free prototype samples for standard products. For custom-designed products requiring new molds, a nominal tooling fee may apply, which is refundable upon mass production order confirmation. Sample lead time is typically 3-7 business days.
Our silicone products are certified to ISO9001, FDA (US), LFGB (Germany), RoHS, REACH, and SGS standards. We can provide specific test reports and certificates for your target market upon request.
Absolutely. We offer full customization including dimensions (ID/OD/length), hardness (Shore A 20-80), color (RAL/Pantone matching), structure (solid/foamed/braided), and packaging. Our engineering team will work with you to meet exact specifications.
For standard products in stock: 3-5 business days. For custom orders with existing molds: 7-15 days. For new mold development + production: 20-30 days depending on complexity. Rush orders can be accommodated for urgent requirements.
We implement strict QC at every production stage: incoming material inspection, in-process dimensional checks, hardness testing, pressure/leak testing for tubing, visual inspection, and final batch testing. Full traceability documentation is available for each order.
Yes, we fully support OEM and ODM services including custom logo embossing/printing on products, branded packaging design, private label documentation, and confidentiality agreements to protect your intellectual property.
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View DetailsTell us your requirements and our technical team will respond within 24 hours with a tailored solution and competitive pricing.
Phone / WhatsApp
0086-15240207671Response Time
Within 24 hours on business daysWhat to include in your inquiry:
