CHRYSO®Dem Bio S is a water-soluble vegetable oil based, biodegradable, non-toxic delayed-release agent for all types of formwork on conventional jobsites.

  • An environmentally friendly product that is non-toxic with simple, easy disposal methods.
  • Is safe to use, has no odour and can be used in confined spaces (mining, tunnelling and poorly ventilated areas).
  • Its non-toxic nature is suitable for water retaining structures.
  • Solvent-free (contains no solvents) and soluble with water
  • May be used with white cement (provided the formwork is spotless and clean)
  • Easy formwork release - temporarily protects and extends the life of metallic formwork from corrosion
  • Ready to use.
  • Reduces the likelihood of imperfections and surface damage (particularly blow holes) to the concrete, creating more durable, blemish free and consistent concrete surfaces
  • Does not affect the adhesion of subsequent finishes and coatings. Plaster, paint and other coatings may be applied subsequently
  • Does not stain or affect the colour of the concrete, when applied correctly
  • Does not modify cement hydration when applied correctly
  • Water repellent and not affected by rain
Domains of application

Suitable for all types of formwork including:

  • Metal (steel/aluminum)
  • Wood (timber/plywood/resin ply/shutter board)
  • Plastic
  • Polystyrene
  • Fibreglass
Technical Data Sheet Download
Material Satefy Data Sheet Download
Attached documents CHRYSO®Dem range BrochureDownload