VISCOSITY GRADE BITUMEN
AC Standard – 5
Asphalt Cement (AC) 5 is a versatile bitumen grade used in moderate climates for a variety of paving and industrial purposes. Its balanced viscosity and excellent durability make it a popular choice for constructing and maintaining durable and high-performance road surfaces. AC 5 bitumen ensures that pavements can withstand the demands of varying traffic loads and environmental conditions, providing a reliable and long-lasting solution for infrastructure development.
USES:
AC 5 bitumen is suitable for a wide range of applications, particularly in regions with moderate climates where it provides a balance of durability and flexibility. Common applications of AC 5 include:
- Asphalt Paving in Moderate Climates: AC 5 is extensively used in asphalt paving for constructing smooth and durable road surfaces in moderate climates. Its binding properties ensure that the aggregates are well-coated, resulting in a high-quality pavement.
- Cold Mix and Maintenance Work: AC 5 is an excellent choice for cold mix asphalt, which is used for patching and repairing existing bituminous pavements. Its balanced viscosity ensures ease of application and effective bonding.
- Bituminous Primers: AC 5 is used as a primer in surface preparation, enhancing the adhesion of subsequent bituminous layers and ensuring a strong bond.
- Roofing Applications: AC 5’s waterproofing properties make it suitable for roofing applications, protecting structures from water infiltration and damage.
KEY FEATURES
AC-5 bitumen is characterized by several key features that make it a preferred choice for various applications in moderate climates:
· Good Balance of Flexibility and Durability: AC 5 provides a balance of flexibility and durability, ensuring that the bitumen remains workable while also providing a strong and resilient pavement.
· Superior Adhesion to Aggregates: AC 5 provides excellent adhesion to aggregates, ensuring a strong and durable bond that enhances the structural integrity of the pavement.
· Waterproofing Properties: The waterproofing properties of AC 5 protect the underlying layers from water infiltration, preventing damage and extending the lifespan of the pavement or structure.
· Ease of Application: Its balanced viscosity ensures that AC 5 bitumen can be easily applied, facilitating efficient construction and maintenance processes.
TECHNICAL SPECIFICATIONS
AC 5 bitumen is produced to meet
stringent technical specifications set forth by the ASTM D 3381, ensuring consistent quality and
performance. Key technical parameters include:
Penetration Value: AC 5
has a penetration value of 100-150, indicating its relatively soft consistency
suitable for moderate climates.
Viscosity: AC 5 bitumen
has a viscosity of 450-600 poise at 60°C, ensuring its suitability for moderate
regions and ease of application.
Softening Point: The
softening point of AC 5 is typically around 40-50°C, ensuring it remains stable
and effective at moderate temperatures.
Ductility: AC 5 exhibits
high ductility, allowing it to stretch and deform without breaking, which is
crucial for withstanding the stresses of traffic loads and temperature
fluctuations.
STORAGE:
Maintain storage temperatures between 150°C and 180°C to prevent hardening and ensure the bitumen remains workable.
Use steel containers or bitumen tanks that are designed to handle high temperatures and prevent contamination.
Ensure storage facilities are well-ventilated, dry, and protected from moisture to prevent oxidation and degradation.
Avoid prolonged storage at high temperatures and frequent temperature fluctuations, which can lead to the hardening and loss of essential properties.
PACKAGING:
Bitubox
Ideal for convenient bitumen transportation, cost-effective, and environmentally friendly packaging solution.
SPECIFICATIONS:
|
DESCRIPTION
|
UNIT
|
MIN
|
MAX
|
TEST METHOD
|
|---|---|---|---|---|
|
Dynamic Viscosity @ 60°C
|
P
|
400
|
600
|
ASTM D2171
|
|
Kinematic Viscosity @ 135°C Min
|
CST
|
100
|
-
|
ASTM D2170
|
|
Flash Point °C
|
°C
|
177
|
-
|
ASTM D92
|
|
Solubility in Trichloroethylene %
|
%
|
99
|
-
|
ASTM D2042
|
|
Penetration in 25°C
|
0.1MM
|
140
|
-
|
ASTM D5
|
|
Spot Test
|
@
|
Negative
|
-
|
AASHTO 102
|
|
Tests on Residue from Rolling Thin Film Oven Test
|
||||
|
Viscosity 140°F (60°C) Max
|
P
|
-
|
2500
|
ASTM D2171
|
|
Ductility 77°F (25°C) 5cm/min, Min
|
CM
|
100
|
-
|
ASTM D113
|
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