ASTRA branded Fiber reinforced Concrete Cover Blocks, For providing proper Cover to rebars. Cover Size:- 20mm Max.Permissible Rebar Dia.: 18mm Min.Breaking Load : 4300 N Packing per bag : 1000nos;- Compressive strength not less than 60 MPa, Provides excellent fire resistance as required in IS 456:2000. Manufactured in accordance with ISO9001:2008. Our spacers confirm to British standard H BS 7973-1:2001.
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