A durable, single component metal repair composite based on a silicon alloy blended with a heat-activated epoxy resin. Designed to repair and protect metal surfaces suffering from Corrosion under Insulation (CUI), Belzona 1251 (HA-Metal) can be easily applied by spatula, applicator or brush.
This heat-activated material can be applied directly onto hot surfaces (70-150°C / 158-302°F) with minimal surface preparation avoiding production downtime. Once cured, this solvent-free repair composite provides outstanding corrosion protection.
Belzona 1251 (HA-Metal) is ideally suited to be over coated with Belzona 5851 (HA-Barrier) to ensure long-lasting performance.
Key benefits:
In-situ application to live equipment operating at high temperature with minimal surface preparation
Multi-purpose durable metal repair composite
Single pack system, no weighing or mixing required
Reduced health and safety risks as it is solvent-free
Fast cure allowing equipment to be re-insulated with minimum delay
Excellent corrosion protection
Impact and abrasion resistance
Good chemical resistance against a wide range of chemicals
Excellent adhesion to metals including stainless steel, carbon steel, aluminium, brass and copper
Does not corrode
Applications for Belzona 1251 (HA-Metal) include:
Repair and prevention of Corrosion under Insulation (CUI)
Resurface of pitted metal surfaces
Repair of thin-wall defects
Bonding of doubler plates
Leak sealing of pipework
Key technical data:
Working life at 25°C (77°F)
Unlimited*
*cure will not commence until the product is heated
Time to mechanical cure 100°C (212°F)
1 hour
Tensile shear adhesion (ASTM D1002)
2,200 psi (15.2 MPa) after cure at 100°C (212°F) applied to clean, ground steel
Compressive strength (ASTM D695)
18,100 psi (124.8 MPa) after 7 days cure at 100°C (212°F)
Temperature resistance
180°C (356°F)
Bonds to
Aluminium, copper, steel, stainless steel, cast iron, and other metals
Typical applications
Repair and protection of CUI problems, leak repairs, bonding, filling and many more
Unit size
750g, 5kg. Unit sizes may vary locally
Availability*
Global
* All products are subject to regional restrictions. Check with your local Distributor for more information
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