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NederlandsEnglish (UK)

Sibelco acquires Viaton Industries

Global minerals provider, Sibelco, has this week announced completion of its acquisition of Viaton Industries Limited, the UK-based specialists in mineral fillers for use in chemicals and coatings.

viaton classifier mill thumb








The Viaton deal forms part of Sibelco’s strategy for growth through the acquisition of associated businesses and supports its expansion in core markets such as coatings.  The Viaton plant will immediately become a fully integrated part of Sibelco’s UK operations. Read more>>

Flame Retardants

Composition

Ankerpoort provides a range of flame retardants, each with unique actions based on various mineral raw materials

 

Portaflame®

Properties

  • has flame-retardant properties as a result of the endothermic decomposition and release of water vapour on heating of the mineral on the one hand and the formation of a protective layer during the oxidation process on the other.
  • endothermic decomposition at > 340 ºc
  • natural product
  • has smoke suppressant properties
  • high boron content

Applications

Construction: bituminous roofing material: only as flame retardant or in combination with gibbsite

Plastics: works synergetically with other inorganic flame retardants. Strong tendency to form a protective layer during the oxidation process particularly in OH-bearing polymers; flame retardant in polyolefins (PE, PP), thermoplastic rubbers Ethylene Vinyl Acetate (EVA), Ethylene Propylene Diene Monomer (EPDM), calcium borate and rubber applications in mining

 

Portaflame® SG/G

Properties

  • has flame-retardant properties as a result of the endothermic decomposition and release of water vapour on heating of the mineral on the one hand and the formation of a protective layer during the oxidation process on the other.
  • endothermic decomposition at > 200 ºc
  • chemically inert
  • low specific gravity
  • Portaflame SG: high whiteness, high purity
  • Portaflame G: cream-coloured (suitable for less critical applications which do not require such high whiteness and purity)

Applications

Construction: flame retardant in bituminous roofing material and mineral building boards

Plastics: flame retardant in polymer floor and wall coverings, cable filler, polyurethane (PUR) foam and carpet backings; flame retardant in polyester (sheet and bulk moulding compounds - SMC, BMC) and moulding resins (epoxy, PUR)

 

Securoc®

Properties

  • has flame-retardant properties as a result of the endothermic decomposition and release of water vapour on heating of the mineral on the one hand and the formation of a protective layer during the oxidation process on the other
  • endothermic decomposition at > 300 ºc
  • natural product
  • has smoke suppressant properties

Applications

Plastics: flame retardant in thermoplastics (PP, PA), TP elastomers and rubbers, cable and wire insulation, electrical components, cable ducting and roof and floor coverings

 

Securoc® C

Properties

  • high whiteness
  • high purity
  • platelet structure
  • very fine
  • endothermic decomposition at > 250 ºC (flame retardant properties)

Applications

Plastics: flame retardant for PVC and chloroprene rubber particularly in cable compounds for wire and sheath insulation; effective smoke suppression in polymers.