Silicone Valve

Silicone Gasket


Environment friendly high quality silicone materials

Factory price, fast delivery

Custom silicone gasket

Welcome OEM orders

Daily capacity reaches to 200,000pcs per automation production line

Professional engineer team to help you solve all problems



Specification Of Silicone Gasket

Product Name

Factory OEM Customize High Quality Silicone Gasket Flapper In China

Model NumberHHSV21
MaterialEco-friendly FDA Silicone Material
Color Customize Pantone Colors
Hardness40 Shore A
Outer Diameter18mm
Inside Diameter7mm
Mold TypeVacuum Compression Molding
ProcessTool Design - Tool Manufacturing - Compression Molding - Whole Piece Inspection - Secondary Vulcanization  - Quality Checking - Dust Free Packing - Shipping
MOQ50,000 PCS
Daily Capacity200,000pcs/ line
Mold CavityCustomize
IntercomsEXW, FOB, CIF, DDP, Or Delivery To Assembly China Factories


  • Hydration Bottle

    Hydration Bottle

Product Information

What Is Silicone Gasket?

Silicone gaskets are also known as silicone o-ring, made of FDA&LFGB approved food grade silicone material, processed by compression molding, with good sealing function, wide applications.

Silicone Gasket

The Features Of Silicone Gasket?

1. Environmentally Friendly

Silicone gaskets are made of FDA and LFGB approved food grade environment friendly silicone.

2. Good Sealing

 Silicone gasket with soft texture, good sealing performance, strong pulling force, no odor, and not easy to deform when squeezed.

3. Perfect sureface

Silicone gaskets are using high-quality surface technology, smooth and textured surface, no burrs or edges.

4. Accurate Size

Regarding to the silicone gaskets, we use CCD full inspection instrument, accurate detection, with 100% yield rate and zero defect products.

5. Snti-aging Performance

Silicone gaskets are wear resistant, with good anti-aging performance, and can maintain its elasticity and sealing performance for a long time, so have a longer severice time.

6. Temperature Resistance

Silicone gaskets can still maintain their elasticity and sealing properties in low and high temperature environments, and their temperature resistance is excellent in the range of -60°C to +200°C.

7. Weather Resistance 

Silicone gaskets can maintain stable performance even after long-term exposure to outdoor environments or harsh climate conditions, and are not easily affected by ultraviolet rays, oxidation and climate change.

8. Electrical Insulation Properties

Silicone gaskets have excellent electrical insulation properties, making them suitable for applications that require electrical insulation and insulating properties.

Silicone Gasket

About Hopewell

Hopewell is committed to providing high-quality and cost-effective silicone injection molds, plastic injection molds, customized silicone injection molding products and plastic injection molding products to global customers, covering medical, consumer electronics, electronic components and home furnishings, etc. industry. Our strategic cooperation with factories with high technical level and strict management provides us with strong support and enables us to respond quickly to different customer requirements.

Silicone Gasket

If you are interested in silicone gaskets, please feel free to contact us, thank you.

Manufacturing Process

Process Of Silicone Gasket 

Tool Design - Tool Manufacturing - Compression Molding - Whole Piece Inspection - Secondary Vulcanization  - Quality Checking - Dust Free Packing - Shipping

Silicone Gasket


Packing Of Silicone Gasket

For silicone gasket, to keep the product clean and not deformed while in transportation and in storage, normally, the packaging as follow: 

Item NamePCS/ PE BagPCS/ CartonCarton SizeN.W.G.W.
Silicone Gasket1,000pcs5,000pcs35*26*42 cm8.5KG9.5KG

Silicone Gasket


  • 1

    Are you a manufacturer or a trading company?

    We're a manufacturer of silicone molding products, with about 10,000 square meters production workshops.

  • 2

    Can you provide free samples?

    Free samples can be provided for quality checking, freight cost need be charged.

  • 3

    What are the advantages of Hopewell to preduce silicone valves?

    Hopewell started producing silicone valves in 2011, we also have professional engineering team, precision mold manufacturing department and perfect quality control department, a 100,000-level clean production workshop, and has passed ISO9001, ISO13485, IATF16949 and ISO14001 certifications.

  • 4

    What is your MOQ for silicone valve?

    Our moq is 50000 pcs for four sizes cross slit silicone valves in public mold; for customized silicone products, the final quotation shall prevail.

  • 5

    Can you accept OEM/ ODM orders?

    Currently we only accept OEM orders.

  • 6

    What information do I need to provide for custom silicone valves?

    Please provide 2D and 3D drawings (STP format) or actual samples, then our engineering team will provide DFM for your confirmation.

  • 7

    What is the lead time for custom silicone valves?

    For prototype molds, the lead time for silicone valves is about 7-15 working days; for production molds, the lead time is about 15-45 working days.

  • 8

    Can you provide plastic valve seat samples?

    We have 4 sizes plastic valve seats in public mold, the outer diameters are 11.85mm, 12.3mm, 14.6mm and 18.6mm. Free samples are available, please contact us for more information.

  • 9

    Can i vist your factory?

    Of course, highly welcome.

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