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Bitumen Classifcations

Most high perorming roads in Australia are built and

maintained using bitumen because it is durable and

has exceptional waterproong and adhesive properties.

Bitumens used in road construction and maintenance

are rened and blended to meet strict road engineering

requirements and industry specications.

Paving grade bitumens are categorised according to

viscosity (degree o fuidity) gradings. The higher the grade,

the stier the bitumen.

BP Bitumen Class 170

Class 170 is widely used in sprayed sealing and light

asphalt applications to provide durability and atigue

resistance. It is also used to manuacture cutback

bitumens, bitumen emulsions and modied bitumens.

BP Bitumen Class 320

Class 320 is most commonly used to manuacture asphalt

mixes. Due to its higher viscosity, stier asphalt mixes can

be produced to improve resistance to shoving and other

problems associated with higher temperature and trac

loads.

BP Bitumen Class 600

Class 600 is primarily used to manuacture extra heavy-

duty asphalt pavements that need to endure substantial

trac loadings.

Applications

The table below shows typical applications or paving grade

bitumens:

Quality Assurance

BP Bitumen is recognised nationally or its proven track

record in delivering products o consistently high quality.

Every day our products perorm under the most diverse and

demanding road conditions in Australia. This is attributable

to a combination o our unique product technology,

comprehensive quality assurance programs, operational

eciency and sophisticated production processes – all

supported by our highly skilled and experienced sta.

We maintain an in-house national technical centre whichocuses on R&D, as well as providing technical expertise

and support to our customers. Our team o technical

specialists is dedicated to ensuring our products are

thoroughly tested at every stage – rom the selection

o crude oil at the start o the production process, right

through to delivery.

Our product stewardship and rigorous quality management

practices refect our commitment to delivering the highest

quality products that perorm on the road. Our commitment

to quality is recognised by our accreditation to Australian

Standard AS/NZS 9001.

Storage & HandlingThe storage o bitumens or prolonged periods at elevated

temperatures should be avoided as quality may be

adversely aected. As a general rule, bitumen should be

stored at the lowest temperature that enables practical use.

For normal operations, such as blending and transerring

liquid bitumen, temperatures o 10°C to 40°C above the

minimum pumping temperature are recommended.

Class 170, Class 320, Class 600Road Construction and Maintenance Applications

Paving Grade Bitumen

Applications

Bitumen SprayedExtra

 Class Sealing Light Medium Heavy Heavy

Class 170

Class 320

Class 600

Asphalt

Storage & Handling Temperature Recommendations

BP Bitumen BP Bitumen BP BitumenClass 170 Class 320 Class 600

Storage orup to 30 days

135 – 145°C 135 – 145°C 135 – 145°C

Storage orup to 14 days

155 – 165°C 155 – 165°C 155 – 165°C

Storage orup to 7 days

170 – 180°C 170 – 180°C 170 – 180°C

Maximumtemperature

190°C 190°C 190°C

Minimumpumpingtemperature

135°C  145°C  155°C

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Web www.bpbitumen.com.au

E-mail bpbitumenaustralia@bp.com

Technical Helpline 1800 24 88 66 (FREECALL)

For urther inormation, please contact us:

National Ofce 55 Toll Drive, Altona North, VIC 3025

Telephone (03) 8368 8700

Facsimile (03) 8368 8701

Specifcation

BP Bitumen Class 170, Class 320 and Class 600 bitumens

are manuactured to comply with the requirments o

Australian Standard AS2008 Residual bitumens or pavements.

Health & Saety

To ensure hot bitumen is used in a sae and ecient manner

the ollowing saety precautions must be ollowed:

• Wear suitable personal protective equipment (PPE)

at all times. Full skin protection is required to avoid

accidental burns when transerring or handling hot bitumen.

• Always prevent contact between water and hot

bitumen by checking the contents o the previous load

beore loading bituminous products into tankers and by

ollowing procedures to avoid violent boil-over o tanks.

• Avoid exposure to umes by standing back on the

gantry or upwind until the vapours have dispersed.• Minimise bitumen ume by heating bitumen and

asphalt products to the recommended temperatures.

• Minimise the use o diesel when cleaning equipment

as this contributes to the bitumen ume.

For a ull description o hazards associated with the use

o bitumen, please reer to the appropriate material saety

data sheet (MSDS) available on the BP Bitumen website.

Typical Characteristics

The information provided in this Guide is of a general nature and should only be used as a guide. Please contact BP Bitumen staff to ensure you have access to the most current information and for advice relating to any particularcircumstances. BP Australia Pty Ltd (BP) makes no warranty as to the completeness or accuracy of the information provided and, to the fullest extent permitted by applicable law, BP and its subsidiaries are not liable for anycosts, loss or damage incurred in connection with use of the information provided in this Guide. The material contained in this Guide is protected by copyright. BP, Olexobit, Multibit, Aquabit and the Helios Design are registeredtrade marks of BP p.l.c. and licensed to BP Australia Pty Ltd for use in Australia. © BP Australia Pty Ltd ABN 53 0 04 085 616, Melbourne Central, 360 Elizabeth Street, Melbourne 3000, Australia. Printed November 2008.

Application Temperature Recommendations

BP Bitumen BP Bitumen BP BitumenClass 170 Class 320 Class 600

Asphalt

mixing 150 – 160°C 155 – 165°C 165 – 175°C

Asphalt

compaction135 – 150°C 140 – 155°C 150 – 165°C

Sprayed

sealing175 – 185°C 180 – 190°C N/A

Property Typical Value

  BP Bitumen BP Bitumen BP BitumenClass 170 Class 320 Class 600

Viscosity at

60°C, Pa.s170 320 600

Viscosity at

135°C, Pa.s0.40 0.53 0.80

Viscosity at

60°C ater

RTFO, Pa.s300 640 1300

Penetration

at 25°C, dmm70 46 27

Flashpoint, °C 360 360 360

Viscosity oresidue at

60°C % o180 200 215

 

original

Density at

15°C, kg/m3 1.04 1.04 1.04