ResinTech CG10-HP is a premium grade, high purity strong acid cation resin in the sodium form. It is amber in color and made from a 10% crosslinked gel. CG10-HP offers high resistance to physical, thermal, and chemical degradation. Gold Seal Certified by the WQA for use in potable water applications, it is intended for use when the importance of durability and high capacity outweigh the higher amounts of chemicals needed for regeneration.