VISCOSITY GRADE 30

VISCOSITY GRADE 30

VISCOSITY GRADE BITUMEN (VG Grade) To grade the bitumen based on viscosity BIS revised IS-73-1992 specifications (Viscosity at 60°C) and as such there are four grades VG-10, VG-20, VG-30 & VG-40. A few qualification tests like specific gravity, water content, ductility, loss on heating & fares breaking point were removed from IS:73-1992 as these tests do not have any relationship with the performance of the product.

Viscosity Grade Bitumen is widely used in spraying applications such as surface-dressing and paving in very cold climate. It is also used to manufacture bitumen emulsion and modified bitumen products.

 
 
  • SPECIFICATION FOR VISCOSITY GRADE BITUMEN
    PROPERTY

    RANGE

     VG-10VG-20VG-30VG-40

    ABSOLUTE VISCOSITY 60°C POISE MIN

    800100024003200

    KINEYATIC VISCOSITY 135°C CST MIN

    250100350400

    FLASH POINT MIN°C

    220220220220

    SOFTENING POINT MIN °C

    40454750

    PENETRATION 0.1 MIN.25 °C

    80-10060-8050-7040-60

    DVCTILITY ON MIN .25°C

    75504025

    VICOSITY RATIO 60°C MAX

    4444

    SOLURILITY IN TCE MIN

    99999999
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