Valco Multi Purpose Adhesive

Valco HV-350: The Multi Purpose Adhesive Built for High-Vibration Demands

When a single adhesive needs to perform across a workshop, a garage, and a boat dock all in the same week, most products fall short. Valco Cincinnati Consumer Products takes a different approach with its flagship multi purpose adhesive, the HV-350 — a one-part formula engineered specifically for the environments where ordinary glues, epoxies, and silicones routinely fail.

What Makes the HV-350 Stand Apart

The name says it all: "HV" stands for high vibration. Unlike rigid adhesives that crack and delaminate under constant movement, the HV-350 leverages extraordinary elasticity to stay bonded where others give up. The formula can stretch up to 600% of its original length, making it uniquely suited to applications subjected to significant vibration — think motorcycle and scooter frames, marine deck fittings, and automotive interior panels.

Beyond raw flexibility, the HV-350 is a true all-surfaces adhesive. It bonds effectively to highly porous materials like cinder block and fiberglass as well as non-porous surfaces including metal and glass. Once fully cured, it maintains its adhesive and sealant properties even when completely submerged in water — a property that sets it apart from most consumer-grade sealants and makes it a trusted choice for watercraft repairs.

Versatility Across Industries

Valco positions the HV-350 for a remarkably wide range of applications. Professionals and DIYers alike reach for it to adhere mats, repair fiberglass, mend rips in wetsuits, waterproof electrical components, and attach plastic or carbon fiber parts. Its use cases span marine, plumbing, motorcycle, automotive, home improvement, and industrial settings — a breadth that makes it a go-to tube to keep on the shelf.

One additional advantage over silicone-based competitors: unlike silicone, the HV-350 can be sanded and painted with either oil-based or water-based paints after curing. That means repaired or bonded surfaces can be finished to match their surroundings — a critical detail for anyone doing cosmetic work on a vehicle interior or exterior. The product also exhibits abrasive resistance and flexibility for high-wear surface applications.

The Non-Slump Advantage and Tube-Grip Compatibility

Valco offers the HV-350 in a Non-Slump formulation, which is ideal for vertical or overhead application where a runny adhesive would sag before curing. The gel-like consistency stays exactly where you put it. For best results, Valco pairs the HV-350 with its Tube-Grip dispensing tool, which applies significantly more pressure to a flexible tube than squeezing by hand and ensures the tube is fully and evenly emptied — minimizing waste on professional jobs.

Explore all Valco Cincinnati products or browse the full range of multi purpose adhesives to find the right solution for your project.