MERCO has become one of the leading manufacturer of Bitumen Products in the Kingdom of Bahrain. Our Bitumen products are manufactured using materials from BAPCO. Our Cutback manufacturing facility can blend up to 1000 liters per minute.

We manufacture the following Bituminous Products:

Penetration graded Bitumen

PROPERTY GRADES BITUMEN STANDARD
40/50 60/70 80/100 85/100 120/150 200/300 ASTM
Penetration @ 25 °C for 5 Sec 40/50 60/70 80/100 85/100 120/150 200/300  
Flash Point °F 450 450 450 450 450 350 D-92
Ductility @ 25 °C - cm/min 100 100 100 100 100 100 D-113
Solubility in Trichloroethylene 99 99 99 99 99 99 D-2042
Retained penetration after thin film oven test 55+ 52+ 47+ 47+ 47+ 37+ D-175
Ductility @ 25 °C - cm/min after thin film oven test - 50 75 75 100 100 D-113
Package 1000 Kg / 500 Kg Meltable Jumbo bags loaded in Containers

Cut backs(Medium & Rapid Curing) Bitumens

PROPERTY UNIT MC30 MC70 MC250 MC3000 ASTM
Kinematic viscosoty at 60°C CST 30/60 70/140 250/500 3000/6000 D2170
Flash Point, Min °C 38 38 66 66 D1310
Residue from Distillation to 360°C Min %VOL 50 55 67 80 D402
Test on Residue from Distillation
Penetration at 25°C, 100g, 5 Sec CM 120/250 120/250 120/250 120/250 D5
Ductility at 25°C, Min CM 100.0 100.0 100.0 100.0 D113
Solubility in Trichloroethylene, Min % 99.0 99.0 99.0 99.0 D2042
Water, Max %VOL 0.2 0.2 0.2 0.2 D95

PROPERTY UNIT RC70 RC250 RC3000 ASTM
Kinematic viscosoty at 60°C CST 70/140 250/500 3000/6000 D2170
Flash Point, Min °C - 27 27 D1310
Residue from Distillation to 360°C Min %VOL 55 65 80 D402
Test on Residue from Distillation
Penetration at 25°C, 100g, 5 Sec CM 80/120 80/120 80/120 D5
Ductility at 25°C, Min CM 100.0 100.0 100.0 D113
Solubility in Trichloroethylene, Min % 99.0 99.0 99.0 D2042
Water, Max %VOL 0.2 0.2 0.2 D95

Bitumen Primer

PROPERTY STANDARD
Type of solvent Kerosene
Solid Content >50%
Specific Gravity 0.9
Flash Point, °C 36 - 38
Film Thickness Wet: 100 microns and Dry: 54 microns
Application Temperature range, °C 5 - 55
Drying Time
BS3416/6949:1991 About 4 -6 hours
Finish BS3416/6949:1991 smooth, Opaque and free from sags or runs.
Chemical & water resistance

Resistance to: most salt solutions, dilute acids/ alkali’s, water and alcohol.

Non Resistance to: oils, solvents and some detergent solutions.

Effect on potable water BS3416/6949:1991/ BS 6920:2000 Passed. Suitable for use in contact with potable water.
Package Flexi Bag Containers/Road Tankers

Bitumen Emulsions

EMULSION TYPE D244 D244 D244 D244 D244 D244 D244 D5 D2042
Min Max Min -/+ Min/Max Min/Max Max Min/Max Min
Residue by
Evaporation
Sieve Storage Stability
at 1 Day
Particle Charge Viscosity at 25 °C Viscosity at 50 °C Oil distillate Penetration at 25 °C, 100g, 5 se Solubility in C2HCI3
Tack-Coat 38% 0.10%
1% +ve 25 Max - 3 60-200 97.5
Rapid Setting 50% 0.10%
1% +ve 20-50 - 3 60-200 97.5
Rapid Setting 57% 0.10%
1% +ve - - - - -
Rapid Setting 60% 0.10%
1% +ve - 20-100 3 60-200 97.5
Rapid Setting 65% 0.10%
1% +ve - 100-400 3 60-200 97.5
Rapid Setting 67% 0.10%
1% +ve - - - - -
Medium Setting 57% 0.10%
1% +ve - - - - -
Medium Setting 60% 0.10%
1% +ve - 50-450 20 60-200 97.5
Medium Setting 65% 0.10%
1% +ve - 50-450 12 60-200 97.5
Slow Setting 56% 0.10%
1% +ve - - - - -
Slow Setting 57% 0.10%
1% +ve 20-100 - - 60-200 97.5

Oxidized Bitumen

PROPERTY UNIT 85/25 95/25 90/40 115/15 ASTM
Specific Gravity at 25°C   1.01 - 1.05 1.01 - 1.05 1.01 - 1.05 1.01 - 1.05 D-70
Penetration at 25°C, 100 gm, 5 sec 0.1MM 20/30 20/30 35/45 10/20 D-5
Softening Point, Ring & Ball °C 80/90 90/100 85/95 110/120 D-36
Ductility at 25°C, after TFOT, Min CM 1.5 1.5 1.5 1.5 D-113
Loss on Heating, Max %Wt 0.2 0.2 0.2 0.2 D-6
Flash Point Cleveland open cup, Min °C 260 260 260 260 D-92
Solubility in CS2, Min %Wt 99 99 99 99 D-4

Anionic Emulsions(Rapid and Slow Settling) Bitumens [A140, RS1, RS2, SS1 ans SS1H]

Cationic Emulsions(Rapid and Slow Settling) Bitumens [K140, K160, CRS1, CRS2, CSS1 and CSS1H]

Polymer Modified Bitumen full range of PG grades [PG70-10 and PG76-10]