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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