CONVENTIONAL BITUMEN

CONVENTIONAL BITUMEN

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CONVENTIONAL BITUMEN

CONVENTIONAL BITUMEN

The most common type of bitumen obtained from the refining of crude oil.
We offer the following grades of conventional bitumen: 50/70, 60/90, 70/100, 85/100, 160/220, 90/130.

Specifications

No. TEST DESCRIPTION METHOD PENETRATION GRADE
50/70 60/90 70/100 85/100 160/220
1 Penetration at 25°C, 0.1 mm ASTM D5 / EN 1426 50/70 60/90 70/100 85/100 160/220
2 Softening point, °C ASTM D36 / EN1427 ≥ 40 ≥ 47 43-51 ≥ 40 35-43
3 Flash point, °C ASTM D92 / EN ISO 2592 ≥ 220 ≥ 230 ≥ 230 ≥ 220 ≥ 220
4 Elastic recovery at 25°C, % ASTM D6084 / EN 13398 NR NR NR - -
5 Storage stability/ Separation test, max EN 13399 - NR NR
After RTFOT
6 Retained penetration, % ASTM D5 / EN 1426 ≥ 55 ≥ 50 ≥ 46 ≥ 55 ≥ 37
7 Softening point, °C ASTM D36 / EN1427 ≤ 9 NR ≤ 9 - -
8 Elastic recovery at 25°C, % ASTM D6084 / EN 13398 NR NR NR - -
Rolling thin film oven
9 Mass loss, max % ASSHTO T240 / ASTM D2872 EN 12607-1 ≤ 1 ≤ 0 ≤ 0.8 ≤ 1 ≤ 1

PENETRATION GRADE 90/130

No. TEST DESCRIPTION VALUE ACC. TO NORMATIVE DOCUMENT
1 Penetration, 0.1 mm
at 25°C
at 0°C, min

91-130
28
2 Softening point (Ring & Ball method), °C, min 43
3 Ductility, cm, min
at 25°C
at 0°C

65
4.0
4 Breaking point, °C, max Minus 17
5 Flash point at open cup, °C, min 230
6 Change of softening point after heating, °C, max 5
7 Penetration index From -1.0 to +1.0
ADVANTAGES

ADVANTAGES OF CONVENTIONAL BITUMEN

Low toxicity

Low cost

Syntex

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