Hercules® Cryo-Tek™ 35290 Original Refractometer

HCC35290 MFG #: 35290
  • Manufacturer: OATEY
  • Manufacturer #: 35290
  • Specific Gravity: 1.04
Hercules® Cryo-TeK™ Original Antifreeze is designed for hydronic heating and cooling closed loop systems, most solar heating systems, snow melts, radiant heat and general plumbing systems.

Hercules® Cryo-Tek™ Original Refractometer, 1.04 Specific Gravity
  • Features
  • For heating systems requiring freeze protection as well as corrosion prevention
  • Use in systems fabricated with metal, plastics (except CPVC) and rubber piping, fittings, seals and other parts
  • Blend of 45% virgin propylene glycol and the triple protection inhibitor package
  • Fastest and easiest method for ensuring accurate ethylene and propylene glycol levels