Various Types of these spacers are made of strong and durable plastic
material that can support a spot load of 100kg, in reference to the
compression test
certificate S/No. M88103011, dated 31 Jan 2010 ,
Amirkabir University of Technology, Tehran-Iran. It has desirable
stability and is adjusted to re-bar diameters of up to 32 mm. Most of
these spacers are used in heavy re-bar cages. Spacers: F130, F131 and
F132 are used in slabs, beams etc… and F108 and F112 in foundations