Bonstone Ultimate Epoxy, Buff (180ml)

Description

Bonstone Ultimate epoxy is a two-component, fast-setting formula built for stone fabricators who need reliable adhesion in cold shop or job-site conditions. This 180ml cartridge cures at a 2:1 ratio and sets fast enough to keep a mitered or laminated joint moving through production without long clamp times. The color is buff, matched to warm-toned limestones and similar natural stone.

Where Bonstone Ultimate Epoxy Is Used

Fabricators reach for this epoxy on anchoring work, bonding stone to stone, stone to concrete, and stone to metal substrates. It handles miter joints on countertop edges and laminates limestone slabs where a strong, color-matched bond line matters. The adhesive cures in temperatures between 40F and 50F, which makes it a practical choice for outdoor installs, unheated warehouses, and late-season jobs where a standard epoxy would sit too long before it sets.

How Bonstone Ultimate Epoxy Holds Up

Once cured, the joint resists UV exposure without yellowing, staining, or bleeding through the stone surface, so buff-colored seams stay clean-looking in sunlit installations. Low odor during application keeps the work area comfortable in enclosed spaces. The formula adheres to porous stone, which is where many general-purpose epoxies struggle to build a lasting bond. Non-yellowing chemistry means color-matched seams keep their look years after installation, which matters most on light and buff-toned stone where a competing epoxy might amber over time.

Larger kit sizes (pint, quart, and gallon) pair the same A-side material with additional B-side tubes for bigger anchoring and lamination runs. For related bonding options, browse Chemical Concepts epoxy adhesives. Bonstone publishes additional stone-restoration product information at Bonstone.

Need Help?

Need help matching Bonstone Ultimate epoxy to a specific stone type or job-site temperature? Call (800) 220-1966 or email [email protected].