Description
h2>Product Overview
HH-66 Vinyl Cement is a high-performance, waterproof adhesive designed for bonding and repairing vinyl materials in tough conditions. Manufactured by RH Adhesives in the USA since 1949, this 4 oz. can delivers reliable, long-lasting results for industrial and recreational applications. It bonds effectively underwater and in temperatures ranging from 35 to 95 degrees Fahrenheit, making it ideal for marine, outdoor, and high-temperature environments. The formula is flexible and durable, ensuring repairs remain strong even under stress or UV exposure. The included brush or roller allows for smooth, even application on both vinyl fabric and hard plastic surfaces. This product is a staple for professionals and DIYers alike who need a dependable solution for vinyl repairs.
Usage

HH-66 Vinyl Cement is used in a wide range of applications including inflatable boats, bounce houses, pool liners, tarps, awnings, sports field covers, mats, and marine vinyl. It is ideal for both commercial and residential use, especially in environments where moisture, UV exposure, or temperature fluctuations are common. The adhesive can be applied underwater or in extreme temperatures, making it suitable for marine, outdoor, and industrial settings. It is also commonly used in manufacturing and maintenance of vinyl products, including upholstery and geomembranes. Users can apply it with a brush or roller for smooth, even coverage, and it dries to a flexible, durable bond that withstands repeated use.
Why Choose Us
HH-66 Vinyl Cement is trusted by professionals and DIYers for its superior quality and reliability. Made in the USA by RH Adhesives, a company with over 70 years of experience in adhesive manufacturing, this product is built to last. Its waterproof, high-strength formula ensures repairs remain intact even under harsh conditions. The adhesive is flexible and durable, allowing it to withstand repeated stress and UV exposure without cracking or peeling. RH Adhesives offers excellent customer support and a proven track record of quality, making this product a smart investment for anyone needing a dependable vinyl adhesive. The included brush or roller ensures easy application, and the product’s consistent performance makes it a top choice for both professionals and homeowners.
Key Features
- High Strength & Waterproof – Bonds securely in wet, dry, and extreme temperature conditions for long-lasting repairs.
- Flexible & Durable – Maintains flexibility after drying, resisting cracking or peeling under stress or UV exposure.
- Easy Application – Applies smoothly with included brush or roller, ideal for both professionals and DIY users.
- USA Made – Manufactured in the USA by RH Adhesives since 1949, ensuring quality and reliability.
- Customer Support – RH Adhesives provides reliable customer service and product support for all users.
FAQ
Can I use this adhesive underwater?
HH-66 Vinyl Cement is trusted by professionals and DIYers for its superior quality and reliability. Made in the USA by RH Adhesives, a company with over 70 years of experience in adhesive manufacturing, this product is built to last. Its waterproof, high-strength formula ensures repairs remain intact even under harsh conditions. The adhesive is flexible and durable, allowing it to withstand repeated stress and UV exposure without cracking or peeling. RH Adhesives offers excellent customer support and a proven track record of quality, making this product a smart investment for anyone needing a dependable vinyl adhesive. The included brush or roller ensures easy application, and the product’s consistent performance makes it a top choice for both professionals and homeowners.
Key Features
- High Strength & Waterproof – Bonds securely in wet, dry, and extreme temperature conditions for long-lasting repairs.
- Flexible & Durable – Maintains flexibility after drying, resisting cracking or peeling under stress or UV exposure.
- Easy Application – Applies smoothly with included brush or roller, ideal for both professionals and DIY users.
- USA Made – Manufactured in the USA by RH Adhesives since 1949, ensuring quality and reliability.
- Customer Support – RH Adhesives provides reliable customer service and product support for all users.
FAQ
Can I use this adhesive underwater?
- High Strength & Waterproof – Bonds securely in wet, dry, and extreme temperature conditions for long-lasting repairs.
- Flexible & Durable – Maintains flexibility after drying, resisting cracking or peeling under stress or UV exposure.
- Easy Application – Applies smoothly with included brush or roller, ideal for both professionals and DIY users.
- USA Made – Manufactured in the USA by RH Adhesives since 1949, ensuring quality and reliability.
- Customer Support – RH Adhesives provides reliable customer service and product support for all users.
FAQ
Can I use this adhesive underwater?
Can I use this adhesive underwater?
Yes, HH-66 Vinyl Cement is designed to bond effectively underwater and in extreme temperatures, making it ideal for marine and outdoor applications.
What surfaces can this adhesive bond?
It bonds well on vinyl fabric, hard plastic, and other flexible materials commonly found in inflatables, tarps, awnings, and pool liners.
Is this product suitable for DIY use?
Yes, it is easy to apply with the included brush or roller, making it ideal for both professionals and DIY users.
How long does it take to dry?
It dries to a flexible, durable bond within a few hours, though full curing may take 24 hours for maximum strength.
Is this product made in the USA?
Yes, RH Adhesives manufactures all its products in the USA, including HH-66 Vinyl Cement, since 1949.





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