Bitumen 85/100

Bitumen 85/100

Bitumen 85/100

Bitumen 85/100

Bitumen, specifically bitumen 85/100, is a crucial component of modern construction and infrastructure development. With its remarkable versatility, durability, and adhesive properties, bitumen 85/100 plays a vital role in a wide range of applications, from road paving to waterproofing. In this article, we will delve into the characteristics, uses, production, and environmental considerations associated with bitumen 85/100.

Properties

Bitumen 85/100, often referred to as paving grade bitumen, is a type of bitumen that falls within a specific viscosity range. The numbers 85 and 100 represent the penetration grade, which measures the consistency of the bitumen. A higher penetration value indicates softer bitumen, making bitumen 85/100 relatively softer than some other grades. This specific grade is well-suited for various construction purposes due to its balance between stiffness and flexibility.

Applications

Road Construction

One of the primary applications of bitumen 85/100 is in road construction and maintenance. It is commonly used as a binder in asphalt mixtures, where it provides adhesive properties, durability, and resistance to deformation under heavy traffic loads and varying weather conditions. The flexibility of bitumen 85/100 allows it to accommodate the movement of the underlying layers, preventing cracks and enhancing the lifespan of roads.

Waterproofing

Furthermore, bitumen 85/100 finds use in the roofing industry. Its waterproofing capabilities make it an ideal material for manufacturing roofing sheets, shingles, and membranes. Bitumen’s ability to form a seamless, watertight layer helps protect buildings from water infiltration, thus contributing to their longevity.

Production process

The production of bitumen 85/100 involves the refining of crude oil. During this process, bitumen is separated from other components of crude oil through fractional distillation. The resulting bitumen is then further processed to achieve the desired penetration grade and other properties. The availability of bitumen 85/100 depends on the quality of the crude oil and the refining techniques employed.

Environmental effects

While bitumen 85/100 offers numerous benefits, its production and use raise environmental considerations. The extraction and processing of crude oil to obtain bitumen contribute to carbon emissions and other environmental impacts. However, the industry is actively researching and implementing more sustainable practices, such as incorporating recycled materials into bitumen mixtures and exploring alternative binders with lower environmental footprints.

Conclusion

In conclusion, bitumen 85/100 plays a vital role in modern construction, particularly in road paving and waterproofing applications. Its unique balance of stiffness and flexibility, along with its adhesive properties, make it a valuable construction material. Despite its environmental challenges, ongoing efforts to improve sustainability within the industry highlight the importance of responsible bitumen production and usage. As construction practices continue to evolve, bitumen 85/100 will likely remain a key component in building resilient infrastructure for the future.

Packaging

  • Bulk
  • New Steel Drum
  • 1 MT Jumbo Bag
  • 300 kg Bitubag
  • Bitutainer
Bitumen 85/100
Characteristics
Unit
Specification
Test Method
Penetration @ 25 °C
0.1 mm
85-100
ASTM D-5
Specific gravity @25 °C
gr/cm3
1.01-1.05
ASTM D-70
Softening Point
°C
42-52
ASTM D-36
Ductility @ 25 °C
Cm
100 Min
ASTM D-113
Loss on heating
% wt
0.5 Max
ASTM D-6
Drop in penetration after heating
%
20 Max
ASTM D-6 & D-5
Flash Point
°C
232 Min
ASTM D-92
Solubility in CS2
% wt
99.0 Min
ASTM D-4
Organic matter insoluble in CS2
% wt
0.2 Max
ASTM D-4
Viscosity @ 60 °C
p
1000±200
ASTM D-2171
Spot test
Negative
*A.A.S.H.O.T.102
Different bitumen penetration Grades
Characteristics
Unit
30/40
50/70
100/120
160/220
200/300
Test Method
Specific gravity @25 °C
gr/cm3
1.01-1.06
1.01-1.06
1.01-1.04
1.01-1.06
1.01±0.05
ASTM D-70
Penetration @ 25 °C
0.1 mm
30-40
50-70
100-120
160-220
200-300
ASTM D-5
Softening Point (R &B)
°C
55-63
46-54
42-49
35-43
34-41
ASTM D-36
Ductility @ 25 °C
Cm
100
100
100
100
100
ASTM D-113
Loss on heating, Max
% wt
0.2
0.2
0.2
0.2
1.3
ASTM D-6
Drop in Penetration after heating, Max
%
20
20
20
20
ASTM D-6 & D-5
Flash Point. Min
°C
250
230
250
220
177
ASTM D-92
Solubility in CS2
% wt
99.5
99
99.5
99
99
ASTM D-4
Spot test
Negative
Negative
Negative
Negative
Negative
*A.A.S.H.O.T.102
Oxidized bitumen
Characteristics
Unit
85/25
95/25
90/15
115/15
Test Method
Penetration @ 25 °C, 100 gm,5 Seconds
0.1 mm
20/30
20/30
10/20
10/20
ASTM D-5
Specific gravity @25 °C
gr/cm3
1.01-1.05
1.01-1.05
1.01-1.05
1.01-1.05
ASTM D-70
Softening Point (R & B)
°C
80/90
90/100
85/95
110/120
ASTM D-36
Loss on heating, Max
% wt
0.2
0.2
0.2 Max
0.2
0.2
Flash Point Cleveland open Cup, Min
°C
260
260
225
260
ASTM D-92
Performance Grades Bitumen (PG)
High Temperature performance
Low Temperature Performance
PG 46
-46, -40, -34
PG 52
-46, -40, -34, -28, -22, -16, -10
PG 58
-40, -34, -28, -22, -16, -10
PG 64
-40, -34, -28, -22, -16, -10
PG 70
-40, -34, -28, -22, -16, -10
PG 76
-34, -28, -22, -16, -10
PG 82
-34, -28, -22, -16, -10
Viscosity Grades Bitumen (VG)
CharacteristicsUnitVG 40VG 30VG 20VG 10Test Method
Absolute Viscosity @ 60 °C, Poises°CMin.3200Min.2400Min.1600Min.800IS 1206 (Part 2)
Kinematic Viscosity @ 135 °CcStMin.400Min.350Min.300Min.250IS 1206 (Part 3)
Softening Point (R&B)°CMin.50Min.47Min.45Min.40IS 1205
Flash Point (Cleveland Open Cup).°CMin.220Min.220Min.220Min.220IS 1209
Solubility in trichloroethylene.%Min.99Min.99Min.99Min.99IS 1206
Penetration   @   25   °C   (100   grams,   5 seconds)0.1
mm
40-6050-7060-8080-100IS 1203
Test on residue from thin film oven tests/RTFOT
i) Viscosity ratio @ 60 °C°CMax. 4.0Max. 4.0Max. 4.0Max. 4.0IS 1206 (Part 2)
ii)  Ductility  @  25  °C,  (Thin  film  oven test).CmMin.25Min.40Min.50Min.75IS 1208
Specification Gravity @ 27/27°CMin.0.99Min.0.99Min.0.99Min.0.99IS 1202
Conforms to BIS (IS 73:2006) Specifications
Alkapetroleumoita Cut back Bitumen Grades Slow Curing (SC)
CharacteristicsUnitSC70SC250SC800SC3000Test Method
MinMaxMinMaxMinMaxMinMax
Kinematic  Viscosity  @  60
°C
CST70140250500800160
0
30006000ASTM D-2170
Flash Point,°C667993107ASTM D-92
Penetration @ 25 °C, 100
gm, 5 Second
CM40607080ASTM D-5
Distillate,  volume  percent of total distillate to 360 °C°C10304202125ASTM D-402
Ductility @ 25°C, MinCM100100100100ASTM D-113
Solubility in Trichloroethylene, Min%99999999ASTM D-2042
Water. Max%VOL0.50.50.50.5ASTM D-95
Cut back Bitumen Grades Medium Curing (MC)
CharacteristicsUnitTest Method
MC30MC70MC250MC800MC3000
MinMaxMinMaxMinMaxMinMaxMinMax
Kinematic Viscosity @ 60 °CCST306070140250500800160030006000ASTM D- 2170
Flash Point, Min°C3838666666ASTM D-92
Penetration @ 25 °C, 100
gm, 5 Second
CM120250120250120250120250120250ASTM D-5
Distillate test: Distillate, volume percent of total distillate to 360 °CASTM D-402
To 225 °C°C352520
To 260 °C°C307510705554015
To 316 °C°C75956593609045851575
Residue  from  distillation  to 360 °C, Min%VOL5055677580ASTM D-402
Ductility @ 25°C, MinCM100100100100100ASTM D- 113
Solubility in Trichloroethylene, Min%99.099.099.099.099.0ASTM D-4
Water, Max%VOL0.20.20.20.20.2ASTM D-95
Cut back Bitumen Grades Rapid Curing (RC)
CharacteristicsUnitSpecificationTest Method
RC 30RC70RC250RC800RC3000
MinMaxMinMaxMinMaxMinMaxMinMax
Kinematic Viscosity @ 60 °CCST306070140250500800160030006000ASTM D-2170
Flash Point,°C272727ASTM D-92
Penetration @ 25 °C, 100 gm, 5 SecondCM8012080120801208012080120ASTM D-5
Residue from distillation to 360 °C, MinASTM D-402
To 225 °C°C55503515
To 260 °C°C7570604525
To 316 °C°C9085807570
Residue from distillation to 360 °C, Min%VOL5055657580ASTM D-402
Ductility @ 25°C, MinCM100100100100100ASTM D-113
Solubility in Trichloroethylene, Min%9999999999ASTM D-2042
Water, Max%VOL0.20.20.20.20.2ASTM D-95
Cut back Bitumen Grades Rapid Curing (RC)
Alkapetroleumoita Bitumen EmulsionSpecification of Cationic Bitumen Emulsions
Quick SettingRapid SettingMedium SETTINGSlow Setting
CQS_1hCRS_1CRS_2CMS_2CMS_2hCSS_1CSS_1h
MinMaxMinMaxMinMaxMinMaxMinMaxMinMaxMinMax
Viscosity, Say bolt Furol @ 25°C SFs201002010020100
Viscosity, Say bolt Furol @ 25°C SFs201001004005045050450
Storage Stability test, 24-h, % A1111111
Demulsibility, 35 mL, 0.8 % Dioctyl sodium4040
Particle charge testPositivePositivePositivePositive
Sieve test, % A0.10.10.10.10.10.10.1
Cement Mixing test, %N/A22
Coating ability and water resistance:
Coating, dry aggregategoodgood
Coating, after sprayingfairfair
Coating, wet aggregatefairfair
Coating, after sprayingfairfair
Oil Distillate, by volume of emulsion, %331212
Residue %57606565655757
Tests on residue from distillation test:
Penetration @ 25°C, 100 grams, 5 Second403010025010025010025040901002504090
Ductility, 25°C 5 Cm/Min, Cm40404040404040
Solubility in trichloroethylene, %97.597.597.597.597.597.597.5

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