Stonchem 691 is a highly cross-linked novolac epoxy, static control
coating applied at a nominal thickness of 5 to 6 mil/125 to
150 microns.When used in conjunction with Conductive Novolac
Primer and tested using the ESD S-71 test method, this
carbon based coating measures an average resistance lower than
1,000,000 ohms.The Stonchem 691 system has excellent resistance
to concentrated sulfuric acid, solvents and caustic