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Paving Grade Bitumen 50/70

1.Description of the product

Road bitumen 50/70 is produced in the process of oxidization of a vacuum residue obtained from the distillation of crude oil by the continuous method on the BITUROX installation (licence of an Austrian engineering company PÖRNER).
Bitumen 50/70 is used in road construction for asphalt mix production, especially for wearing courses and for binder courses (in low volume roads).
 

2.Properties 

Reference standard: EN 12591:2009
 
Property Unit Method Requirement
Penetration at 25°C 0,1 mm EN 1426 50 - 70
Softening Point R&B °C EN 1427 46-54
​Retained penetration at 25°C  ​% ​EN 12607-1
EN 1426
​≥ 50
​Increasing of Softening Point R&B ​°C ​EN 12607-1
EN 1427
​≤ 9 *) ***)
≤ 11 **)
Mass change after RTFOT
%
EN 12607-1
≤ 0,5
​Flash point, COC ​°C ​EN ISO 2592 ​≥ 230
Solubility %
EN 12592 ≥ 99,0
Fraass breaking point °C EN 12593 ≤ -8
Kinematic viscosity at 135°C
mm2/s
EN 12595
≥ 295 ***)
Dynamic viscosity at 60°C
Pa*s
EN 12596
≥ 145 ***)
*) Requirement in Poland: PN-EN 12591:2010 
**) Requirement in Czech Rep.: ČSN EN 12591:2009 
***) Requirement in Lithuania: TRA BITUMAS 08 
 
 Production plant: Płock
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