No More Leaks. Custom Silicone Gaskets for Glass Jars – OEM Sealing Solutions for Manufacturers

Guzhan | Custom Silicone Solutions – For Your Brand

Silicone Gasket Seal Ring

Need custom silicone gaskets that fit perfectly and seal tightly? We solve leaking, mismatched sizes, and material issues for jar manufacturers and food brands. OEM sizes, hardness, colors. Low MOQ. Get a quote.

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A silicone gasket is a flexible sealing material made from silicone rubber. It is used to create a tight and durable seal between two surfaces, preventing leaks and minimizing the risk of contamination.

Silicone Jar Gasket Seals for Glass Jars Airtight and Durable

These silicone jar gasket seals are designed to ensure airtight and durable closure for glass jars, keeping your food fresher for longer. Made from high-quality silicone, they provide a secure seal to prevent leaks and maintain freshness.

Silicone Rubber Seals for Canning Jars Airtight Jar Gaskets

These silicone rubber seals are designed to create an airtight seal for canning jars, keeping food fresh and preventing leakage. Made from durable and food-safe silicone, they are the perfect replacement gaskets for preserving homemade jams, pickles, and other canned goods.

Food Grade Silicone Gasket Seal Ring for Glass Jar

This food grade silicone gasket seal ring is designed to fit perfectly onto glass jars, providing a secure and airtight seal for storing food and liquids. Made from high-quality silicone, it is durable, safe for use with food, and easy to clean, making it an essential accessory for any kitchen.

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Silicone seals for glass jars provide a tight and secure closure, helping to preserve the freshness and flavor of stored foods. These durable seals are flexible, easy to clean, and ensure a leak-proof storage solution for a variety of kitchen items.

Silicone Jar Seals flexible durable for preserving food

Silicone jar seals are flexible and durable seals designed to create a tight barrier between the lid and the jar, preventing air and moisture from entering. These seals are commonly used for preserving food and maintaining freshness in jars and containers.

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A silicone gasket seal is a flexible and durable sealing solution commonly used in mechanical and plumbing applications. Silicone gasket seal is made of silicone rubber, which provides a tight and reliable seal to prevent leaks and protect against moisture and debris.

Food Grade Silicone Gasket Seal Ring Replacement for Sealing

This food grade silicone gasket seal ring is designed to provide a safe and reliable replacement for sealing various kitchen items, such as blender blades and lids. Made from high-quality silicone, it ensures a tight and secure seal to prevent leaks and spills during food preparation and storage.

Clear Food Grade Silicone Seal Ring Gasket

The clear food grade silicone seal ring gasket is a high-quality, non-toxic and odorless gasket, designed to create a tight seal for food and beverage containers. Made of durable silicone, this gasket is ideal for ensuring the freshness and safety of your stored goods.

Silicone Round Seal Ring Food Grade Gasket for Container Lids

This silicone round seal ring is a food-grade gasket designed to create an airtight seal for container lids, keeping food fresh and preventing leaks. Made of high-quality silicone, it is durable, flexible, and safe for use with various types of food storage containers.

Silicone Jar Seals Rubber Gaskets for Canning Jars

Keep your canning jars sealed and airtight with these silicone jar seals rubber gaskets. These durable gaskets are perfect for ensuring the freshness and longevity of your preserved foods.

Sealing Solutions for Glass Jars & Containers

Custom silicone gaskets that fit perfectly, seal tightly, and last longer. We solve leaking, mismatched sizes, and material compatibility issues — so you don‘t have to.

TIME TO PLAY

Shop time

🎯	Perfect Fit Guaranteed	Send us your lid‘s inner diameter. We’ll match it within 0.1mm. No more loose or too-tight gaskets.
🔒	Leak-Proof Seal	Our gaskets compress evenly to create an airtight, watertight seal. Tested for jar turning, shipping vibration, and temperature change.
🧪	Material You Can Trust	Raw silicone meets FDA & LFGB food-contact standards.
⚙️	Any Size, Any Shape	Round, square, rectangular, or custom profile. From 10mm to 300mm ID. One gasket or one million

What You Can Customize — Everything.

Size – Inner diameter from 10mm to 300mm, thickness from 1mm to 8mm
Hardness – Shore A20 (soft) to A80 (firm), matched to your sealing pressure
Material – Standard silicone, NBR (oil-resistant), EPDM (weather-resistant)
Color – Any Pantone color. Match your brand or jar type
Surface – Smooth, textured, or with anti-stick coating
Packaging – Bulk, polybag, or custom-printed box with your label

Case:

Customized 70mm silicone gaskets for an American seasoning brand, which solved the problem of leakage of the original gaskets during transportation. The annual order volume was 600,000 pieces.

inner diameter:	10mm - 300mm
Thickness	1mm - 8mm
Material	FDA/LFGB compliant silicone, Nitrile (NBR), or EPDM upon request
Temperature range	-40°C to +230°C
Hardness	Shore A20-80
Color	Pantone color matching available

Ready to solve your sealing issue?

Send us your lid's inner diameter or part drawing.
Quote in 24 hours. Sample in 7-10 days.

-→ Get Your Quote Now,email to jackey@xmguzhan.com or whatsapp:+86-13696920171

FAQ:

Q1: My jar lid has an odd size. Can you match it exactly?

Yes. Send us your lid‘s inner diameter (ID) drawing or a physical sample. We‘ll make a gasket that fits within 0.1mm tolerance. If it doesn‘t fit, we remake it at no cost.

Q2: Do your gaskets have FDA certification?

Our raw silicone material is FDA and LFGB compliant for food contact. Finished gaskets can be tested according to your requirement, and we‘ll provide the test report with your shipment.

Q3: My current gaskets leak during shipping. How do you solve that?

We analyze your jar’s closure design and recommend the optimal hardness and cross-section shape. We also offer gaskets with a sealing lip design that creates extra compression force when the lid is tightened.

Q4: What‘s your MOQ for custom gaskets?

Trial order: 1,000 pcs(to validate fit and seal)
Standard MOQ: 5,000 pcs per size
Volume pricing: Available for 50,000+ pcs

Q5: How fast can I get a sample?

Sample available in 7-10 days after drawing approval. Tooling cost starts from $150, refundable upon bulk order.

Why work with us：

One-stop solution: Molding + trimming + packing

Sample service: Tooling required (one-time cost, from $150). Sample available in 7-10 days.

No minimum quantity for sample order

10-15 days lead time for bulk orders (50,000+ pcs)

100% inspection before shipping

FDA, LFGB compliant

Ideal for glass jar manufacturers, packaging suppliers, and industrial buyers. We accept trial orders from 5,000 pcs and high-volume contracts up to 500,000+ pcs/month. Contact us with your size requirement for a quote within 24 hours

Guzhan specializes in high-temp silicone masking Products for powder coating, anodizing, e-coating, and spray painting industries. we deliver precision-engineered silicone plugs and caps that protect threads, holes, and surfaces from overspray — eliminating rework and reducing waste.

  Other Capabilities: Industrial Seals | Vape  Accessorie | Promtion Gifts | Household Product

Xiamen Guzhan Industy & Trade Co.Ltd

Phone: +86-13696920171

E-Mail: Jackey@xmguzhan.com

Add: 3f, No. 502, Rd 2nd jinyuan west, jimei, xiamen, fujian, china(361022)