viscosity bitumen

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viscosity bitumen

viscosity Bitumen

Viscous tars are a category of tars in which high viscosity or resistance to flow is observed. Viscosity refers to a material’s resistance to flow and its ability to absorb water. These types of tars, due to their unique characteristics, are utilized in specific applications such as surface coating and insulation using various chemical compounds. The high viscosity in these tars effectively contributes to surface protection and the establishment of strong connections in construction and industrial projects. Given their significant properties for waterproofing and protection, these tars are used in projects that require resistance against water penetration and chemical substances.
NO Test Standard range VG10 Standard range
VG20
Standard range
VG30
Standard range
VG40
Test method
Min Max Min Max Min Max Min Max
1 Absolute Viscosity@60– C,poise 800 1600 2400 3200 IS 1206(Part2):1978 ASTM D2171
2 Kin Viscosity@135–C,c.st 250 300 350 400 IS 1206(Part3):1978 ASTM D2170
3 SP.Gravity@60–F 0.99 0.99 0.99 0.99 ASTM D3298
4 Penetration@25–C-100gr-5s,0.1mm 80 100 80 100 50 70 40 60 IS 1203:1978 ASTM D5
5 Softening point,–C 43 43 47 50 IS 1205:1978 ASTM D36
6 Solubility in T.C.E,wt% 99 99 99 99 IS 1216:1978 ASTM D2042
7 Flash poin,–C 220 220 220 220 IS 1209:1978 ASTM D92
Test on residue TFOT
8 Viscosity ratio@60–C 4 4 4 4 IS 1206(part2):1978 ASTM D2171
9 Absolute Viscosity@60–C,poise IS 1206(part2):1978 ASTM D2171
10 Ductility@25–C 40 40 40 40 40 40 40 40 1978 ASTM D113
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