Manufacturer of SABS Quality cast iron and Ductile Iron: building products, civil construction products, cookware products and high-tech industrial products.
Twinstar Precast will manufacture any Precast Concrete Product to your design and need. We specialise in the manufacture of precast concrete products which are not already available on the market, even once-off items…
Both Ductile Iron and Grey Iron have a carbon content of about 3.5% that inhibits corrosion. The addition of magnesium at the molten stage of the metal transforms the flakes of graphite, which is common to the grey iron casting process, into a spheroidal or nodular form.
The time lag between a fire starting, its detection by smoke or heat detectors, and the activation of a suitable suppressant can differ greatly and will mean the difference between a fire being effectively extinguished or not.
