Viscosity Grades

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Blackgold Viscosity grades Bitumen

Viscosity Grades

Description

Based on viscosity BIS revised IS-73-1992 specifications (Viscosity at 60oC) 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 & Farass breaking point were removed from IS:73-1992 as these tests do not have any relationship with the performance of the product.

Application

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-10

VG-20

VG-30

VG -40

ABSOLUTE VISCOSITY 60°C POISE MIN 800 1000 2400 3200
KINEYATIC VISCOSITY 135°C CST MIN 250 100 350 400
FLASH POINT MIN°C 220 220 220 220
SOFTENING POINT MIN °C 40 45 47 50
PENETRATION 0.1 MIN. 25 °C 80-100 60-80 50-70 40-60
DVCTILITY ON MIN .25°C 75 50 40 25
VICOSITY RATIO 60°C MAX 4 4 4 4
SOLURILITY IN TCE MIN 99 99 99 99

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TECHNICAL

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Our Products

Generating packaging units for giving speedy in product, sale, tile delivery to the customers, facilitating transportation, maintenance and consumption of Bitumen,
optimizing and developing Bitumen carriage Fleet and also in future producing kinds of humidity

Blackgold Bitumen 40/50
Blackgold Bitumen 80/100
Blackgold Emulsion Bitumen

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