Bitumen VG 40

Bitumen VG 40

Description of Viscosity Grade Bitumen VG 40:

Bitumen VG 40 is a type of bitumen commonly employed in road construction and maintenance projects. It’s a thick, viscous substance derived from crude oil, offering enhanced viscosity compared to VG-30 bitumen, making it suitable for areas with heavy traffic and substantial vehicle loads.

Properties of Asphat VG 40

With a viscosity range of 4000 to 6000 centipoise (cP) at 60°C (140°F), VG 40 exhibits excellent resistance to flow at higher temperatures. This quality ensures its durability and adherence to aggregates, forming a robust binding matrix in asphalt mixtures.

Applications 

Hot Mix Asphalt (HMA): It is widely used as a binder in producing hot mix asphalt, especially in areas requiring high-temperature resistance, such as warm climates or roads experiencing heavy traffic.

Road Construction: It’s a go-to choice for constructing roads, particularly in high-traffic areas subjected to significant stress. VG 40 helps create durable surfaces capable of withstanding heavy traffic and adverse weather conditions.

Pavement Rehabilitation: In maintenance projects, VG 40 rejuvenates existing asphalt surfaces, prolonging pavement life.

Airport Runways and Taxiways: VG 40 is instrumental in constructing and maintaining airport pavements, ensuring they can handle heavy aircraft traffic and temperature fluctuations.

Bridge Decks: Its high viscosity and temperature resistance make VG 40 suitable for bridge deck overlays, safeguarding bridge structures.

Roofing and Waterproofing: Used in roofing and waterproofing applications to prevent water penetration.

Emulsions and Coatings: VG 40 based bitumen emulsions are employed in surface treatments like chip seals, prime coats, and tack coats.

Industrial Applications: Utilized in various industrial products such as paints, coatings, adhesives, and corrosion protection materials.

Advantages 

Enhanced Durability: VG 40’s higher viscosity ensures superior performance in areas with heavy traffic and significant vehicle loads, resulting in longer-lasting road surfaces.

Excellent Temperature Resistance: With its ability to maintain consistency even at high temperatures, VG 40 provides reliable performance in warm climates and under heavy traffic conditions.

Strong Adhesion: It forms a strong, durable bond with aggregates, resulting in stable and resilient asphalt mixtures capable of withstanding various stressors.

Versatile Applications: Beyond road construction, It finds application in a wide range of industries, from roofing to industrial coatings, due to its robust properties and versatility.

Cost-Effectiveness: Despite its superior performance, it remains a cost-effective option for infrastructure projects, offering long-term durability and reliability at competitive prices.

Packaging of VG 40:

180kg New Steel Drum: 110 Drums in a 20 ft container.

375Kg Bitubag: 24 MT in a 20 ft Container.

Bulk in vessel: 2000 to 20,000 MT in a Bitumen Carrier.

Bulk in Flexi Bag: 20 MT in a Bitumen Flexi Bag.

Bulk in Tanker: 25 MT in a Truck Tanker.

Specification of VG 40

Specification

Unit

Value

Test Method

Absolute Viscosity, at 60 ◦C

Poise

Min 3200

ASTM D4402

Kinematic Viscosity, at 135 ◦C

CST

Min 400

ASTM D2170

Flash Point

◦C

Min 220

ASTM D2170

Solubility in Trichloroethylene

%WT

Min 99

ASTM D2170

Penetration Value, at 25 ◦C

0.1mm

40-60

ASTM D5

Softening Point

◦C

Min 25

ASTM D36

Viscosity Ratio, at 60 ◦C

◦C

Max 4

ASTM D4402

Ductility at 25 ◦C, after thin film oven test

Cm

Min 25

ASTM D113