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Multigrade Paving Bitumens

Reference standard: Technical standard TN 23-085

Property Unit Method VMT 25 VMT 45 VMT 65
Penetration at 25°C 0,1 mm ČSN EN 1426
(65 7062)
20 - 30 35 - 50 50 - 70
Softening Point R&B ºC ČSN EN 1427
(65 7060)
64 - 74 59 - 69 54 - 64
Retained penetration after RTFOT %

ČSN EN 1426
(65 7062)

≥ 60

≥ 60

≥ 60

Increase of Softening Point R&B after RTFOT °C

ČSN EN 1427
(65 7060)

≤ 10 ≤ 10 ≤ 10
Penetration Index  - ČSN EN 13924/A
(65 7202)
+0,1 až 1,5  +0,1 až 1,5 +0,1 až 1,5
Solubility % ČSN EN 12592
(65 7080)
≥ 99,0 ≥ 99,0 ≥ 99,0
Flash point, COC °C ČSN EN ISO 2592
(65 6212)
≥ 280 ≥ 260 ≥ 240
Fraass breaking point °C, max. ČSN EN 12593
(65 7063)
≤ -8 ≤ -12 ≤ -15
Density at 25°C kg/m3 ČSN EN 15326
(65 7021)
1020 1020 1020
 
 

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