Jesmonite AC630 is an acrylic polymer modified, cement-based composite. It is a shrinkage-compensated material of low permeability and is durable in all conditions.

Jesmonite AC630 Liquid and powder should be used within six months from the date displayed on the packaging.

Products Benefits:

  • Low shrinkage, excellent dimensional stability
  • Solvent free & no VOCs
  • Ultimate strength when glass reinforced
  • Fire resistant
  • Lightweight


  • Can be used for applications that require greater dimensional stability, overall strength, and enhanced durability within extreme conditions.
  • Compatible with reinforcements such as Jesmonite Alkali Resistant 13mm Chopped Glass Strands and Jesmonite Alkali Resistant Quadaxial Glass.
  • The technology can be utilised for fine surface detail, castings, premix flat panel and lightweight applications.
  • Contains a fine decorative aggregate and powder pigments, carefully controlled to give a consistent decorative surface finish.

Available In:

  • Kit sizes range from 30kg to 1,200kg. A bespoke colour matching service is available in addition to the standard Natural Stone finish.