DUR-O-BOND® MB8721 & MB8770

DUR-O-BOND Multipurpose Bonding 8721 & MB8770

MB8721/MB8770 has a heavy gallon weight, high viscosity, and is an thixotropic isophthalic resin compound. This product bonds with great adhesive strength as well as having a superb sag resistance. This product is mainly used to build holding tanks, and offers great chemical resistance. This is a ideal product for bonding to FRP parts and for a gel-coat back up.This product is highly resistant to corrosion.

Although it is best used for bonding to FRP parts, since it is a multipurpose bonding, it is also sufficient in other instances. This putty can have adjusted dry times with the use of MEKP-9. Click on the TDS pdf below for more information.

It can also be used as a:

  • Gel-coat back up
  • Fillet & Radius Compound
  • Crack filler

MB8721 summer, MB8770 winter version