Ace Seal | Custom Rubber O-Rings, Gaskets, & Seals

Since 1982, Ace Seal has been a worldwide leader in sealing solutions. We specialize in manufacturing rubber O-rings, seals, gaskets, barrel bungs, custom molded rubber products, and more, using a variety of elastomers. A wide selection of stock items at wholesale prices, along with our customization capabilities, make Ace Seal the right choice for all your sealing needs.

The company is the world’s best wholesale rubber ring products supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.

Based in Silicon Valley, we serve clients across the country and around the world. Request a quote on the rubber and plastic sealing products you need, or send us a message to discuss your unique application. 

Standard O-Rings, Gaskets and Seals

Ace Seal maintains a huge inventory of standard/stock molded rubber products. We offer o-rings, quad- and x-rings, and backup rings in all standard AS568 sizes. We also stock a variety of gaskets and other products designed for reliable sealing. 

• Same day shipping on standard items
• 40 years of experience
• Wholesale & volume discounts on top-quality products

Custom O-Rings and Other Rubber Molding Services

Ace Seal specializes in custom molding services to create high quality sealing parts and components designed to your exact specifications. We can accommodate low to high volume requests quickly and at cost-effective prices. We will work with you to develop the right design for your application and select a material that provides the durability and performance you need.

• Injection Molding
• Multi Cavity Molding
• Compression Molding

Elastomer Options for Any Application and Operating Environment

Ace Seal has the molding experience and technology to work with a variety of plastic and rubber elastomers. We can provide O-rings, seals, and gaskets in materials to fit even the most challenging applications. Check out our comparison chart to learn more about the properties of each material.

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Rubber and Plastic
Material Options

Industries Served

Your Trusted Custom Seals, Gaskets and O-ring Manufacturer  

Ace Seal is the #1 leading provider of standard and custom molded rubber products, O-rings, gaskets and seals. When you order from us, you receive high volume discounts, same-day shipping on in-stock items, and high quality products manufactured to your exact specifications. We have a team of qualified sealing experts who can offer you the design assistance you need for any custom application. Request a quote today. We look forward to serving your sealing needs.

O-ring is a very common but important accessory, widely used for sealing various products and parts, which needs strong resistance to water, oil, and high temperature. Hongju has been using high-quality raw materials and precision molds to produce our O-ring to meet various extreme use environments.

Hongju is a one-stop-shop for all your sealing needs. With our wide selection of stock items at wholesale prices, along with customization capabilities that will make any product you need custom made just the way it suits YOUR purposes – there’s no limit to what we can do!

Get your O-ring seals manufactured with Hongju today!

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