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Jesmonite® AC630


Size: Liquid 5kg
Sale price


Please note: This product is not always kept in stock. Please contact us if it's unavailable.

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.

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.
  • 6-month shelf life

Jesmonite AC630 is aimed at the majority of our markets: craft, jewellery, tableware, artwork, sculpture, lighting and furniture, marine vessels, film sets, architectural elements and cladding panels.

The major selling points for Jesmonite AC630 in comparison to Jesmonite AC730 are below:

  • Jesmonite AC630 has a lower/reduced shrinkage and is therefore more dimensionally stable
  • Jesmonite AC630 has passed Hygrothermal Weather Testing (Enhanced durability within extreme weather conditions)
  • When glass reinforced with 3% of Jesmonite 13mm AR Chopped Strands, Jesmonite AC630 achieves an ultimate flexural strength (Grade 18)

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.

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