Custom Silicone Seals Manufacturer in China
Silicone seals are flexible, durable, and heat-resistant components widely used in packaging, medical, electronics, and machinery. Whether for airtight jar lids or industrial valves, these seals ensure optimal performance and protection.
At Cdx, we are a professional Silicone Seals Manufacturer, offering both standard and custom sealing solutions tailored to your industry needs.
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Wholesale Silicone Seals
Silicone seals come in various forms, such as gasket seals, valve seals, inflatable seals, strip seals, and more. They are designed to withstand temperature extremes, compression, and exposure to chemicals, making them ideal for both consumer and industrial use.
At Cdx, we manufacture a complete range of silicone sealing products, crafted from food-grade or industrial-grade silicone. Whether you need color-coded jar rings or custom inflatable seals, we provide reliable, flexible, and safe solutions.

Silicone Jar Gasket Seals
Designed for clip-top and mason jars, offering smooth, flexible, and airtight sealing.

Float Valve Silicone Seals
Made from 100% food-grade silicone with strong pressure resistance and leak prevention.

Silicone Door Strip Seals
Multi-functional sealing strips ideal for bathrooms, glass doors, and shower enclosures.

Silicone Sealing Tape
Weather-resistant silicone strips suitable for doors, windows, and aluminum frames.

Silicone Inflatable Seals
Air-activated seals used in cleanrooms, hatches, and isolator systems.

Silicone Seals for Swing Flip Bottles
Food-grade gaskets providing secure closures for beverage and fermentation bottles.

Key Material & Performance Advantages of Silicone Seals
Silicone seals from Cdx are engineered with premium material and optimized properties to ensure durability, safety, and adaptability across diverse industries and applications. Whether for jars, valves, or machinery, they deliver outstanding sealing performance.
Made from food-grade and BPA-free silicone
Excellent flexibility and resilience
Withstands -40°C to +230°C
Anti-slip, anti-tear, and reusable
Wide compatibility across industries (kitchenware, furniture, electronics, labs)
Custom Silicone Seals Options
Color Options


Logo Printing options




Size and Shape Choices
- Wall Thickness Adjustment
- Custom Cutouts and Grooves
- Irregular or Complex Shapes
Mounting Options
- Food-Grade Silicone
- Medical-Grade Silicone
- Flame-Retardant Silicone
- High-Temperature Silicone
How We Customize Silicone Seals for Your Needs – 4 Simple Steps
01
Requirement Submission
Tell us your application, dimensions, preferred material, or show us a reference sample.
02
Free Quotation & Engineering Feedback
Receive a detailed quote and design suggestions within 24 hours.
03
Sample Preparation
Rapid prototyping or sample production for confirmation and testing.
04
Bulk Manufacturing & Delivery
On-time production with full quality assurance and worldwide shipping support.
Why Choose CDX Silicone Seals?
✅ Anti-Slip & Shock Absorbing
Effectively reduce vibration and prevent items from sliding or scratching surfaces—ideal for furniture, electronics, or machinery.
✅ Heat & Weather Resistant
Maintain reliable performance across a wide range of temperatures, whether used indoors or outdoors.
✅ Reusable & Tear-Resistant
Engineered for repeated use without cracking, tearing, or losing its protective shape and structure.
✅ Adaptable to Multiple Surfaces
Available in flat, dome, and adhesive-backed styles to suit glass, metal, wood, plastic, and more.

Silicone Seals FAQs
Q: Are all your silicone seals food safe?
We offer both food-grade and industrial-grade silicone. Please specify your application during inquiry.
Q: Can I request a specific color or hardness?
Yes. We provide full customization including color, Shore A hardness, and size.
Q: What's your MOQ for customized silicone seals?
Minimum order quantity varies by design, typically starting from 1000 pcs.
Q: Do you offer bulk packaging or private label services?
Absolutely. We support OEM/ODM services including branded packaging.