Huber Engineered Materials supplies both Alumina Trihydrate (ATH) and Ground Calcium Carbonate (GCC) for use in piping applications. 


ATH is commonly used as a non-halogen, low-smoke fire retardant for conduit. 

Cured-In-Place-Pipe (CIPP)

  • Hymod® SB432 SG

Huber developed this hydrophobic, surface-modified Hymod grade for fiberglass reinforced polyester pipes to optimize loading and physical performance while imparting flame retardance.

Contact Us or visit our Product Finder to learn more and obtain samples of our flame retardants and smoke suppressants.