PC-11 Epoxy Adhesive Paste Two-Part Marine Epoxy - 4 lb

In this review of the PC-11 epoxy adhesive paste the bottom line is straightforward: this two-part marine epoxy is best for boat owners, repair professionals, and hobbyists who need a high-tack, waterproof adhesive that works on wet or submerged surfaces. The reviewer found the product especially useful for bonding fiberglass and metal on marine repairs because it tolerates fresh and salt water and stays in place for vertical or overhead work. It is a practical choice when extended working time and chemical resistance matter.

Key Features

• Wet and underwater bonding: The formula bonds reliably to wet, dry, and fully submerged substrates so repairs can be done without perfect drying conditions.
• Versatile material compatibility: It adheres to fiberglass, concrete, many metals, glass, ceramic, and rubber, making it useful across marine, industrial, and household projects.
• High tack paste consistency: The thick, tacky paste holds in vertical and overhead applications without sagging or dripping during cure.
• Extended working time: The two-part mix gives room to reposition or adjust parts on larger or more critical jobs before the epoxy sets.
• Chemical and fuel resistance: The cured epoxy resists mild acids, caustics, detergents, gasoline, and fuel oil, helping repairs last in harsh environments.
• Wide service temperature range: Works in ordinary conditions with a service range from -20 to +200 degrees F for many outdoor and indoor uses.

Who It's For

This epoxy is ideal for marine owners repairing fiberglass hulls, decks, and fittings, and for contractors who need an adhesive that performs on damp or submerged surfaces. It also suits DIYers tackling concrete or metal repairs where a high-tack, pastey bond is required.

Those who should look elsewhere include users needing an extremely fast-setting adhesive or a flexible sealant for joints with significant movement; PC-11 is a rigid, longer working-time epoxy best suited to structural bonding and patching rather than flexible gasketing work.

Pros & Cons

Pros

• Works well in wet or underwater conditions, making it dependable for marine repairs.
• High bond strength across a wide range of materials including fiberglass and metals.
• Thick, high-tack paste stays in place for vertical and overhead applications without sagging.
• Good chemical resistance to fuels, detergents, and salt water for long-lasting repairs.

Cons

• Viscosity and thickness can make it harder to spread in cold conditions unless containers are warmed first.
• Not formulated for applications that require a flexible cured compound or very fast cure times.

Specifications

Product Type	Two-part marine epoxy adhesive paste
Weight	4 lb in two cans
Color	Off white
Temperature range (use)	35 to 115 degrees F
Service temperature	-20 to +200 degrees F
Chemical resistance	Resists mild acids, caustics, detergents, gasoline, fuel oil, salt and fresh water
Application types	Dry, wet, and underwater bonding; vertical and overhead

Our Verdict

PC-11 is a pragmatic choice for anyone needing a strong, high-tack epoxy that bonds in wet or submerged conditions and resists fuels and detergents. It delivers good value for marine and structural repairs where a rigid, long-working adhesive is required, though buyers seeking rapid cure or flexibility should consider alternative products.

Frequently Asked Questions

Can PC-11 be applied to wet surfaces?
Yes, it is formulated to bond to wet and even fully submerged substrates for marine repairs.

What materials will it bond to?
It bonds to fiberglass, concrete, many metals, glass, ceramic, and rubber according to the product description.

Does temperature affect mixing and application?
Yes, the paste mixes and spreads easier around 80 degrees F; in cool temperatures warm the containers before use for best handling.