KBP 204/103: High Molecular Weight Methacrylate Healer Sealer

Fills and rebonds cracks, 100% solids, 100% reactive material, provides a two hour traffic return View Projects

Used in a broad range of climates, KBP 204/103 High Molecular Weight Methacrylate (HMWM) Healer Sealer has a 2-hour cure even in cold or humid conditions. HMWM has deep penetration into concrete surfaces through very low viscosity, then polymerizes in concrete to form a tough plastic seal.



Easy to specify, easy to apply


High flashpoint means low flammability concerns. The HMWM monomer may also be produced pre-promoted to eliminate other safety concerns.


Low viscosity of the material as well as low surface tension allow the maximum penetration of the HMWM into the cracks.


Successful in a broad range of climates, even in conditions down to 40°F.


With rapid 2 hour cure, even in cold conditions, traffic can be back on the road quickly.


Physical Properties
Percentage solids 100%
Percentage reactivity 100%
Flash Point (Setaflash) ASTM D3278** >180 degrees F
Adhesion (Saturated Surface Dry Bond test, Cal-Trans 551) > 500 psi
Viscosity <25 cps
ASTM D-695 Compressive Strength-RT Cure (24 Hours) >3000 psi
ASTM D-638 Tensile Strength (7 days)*** >2000 psi