Oxidized Bitumen 105/35

What is Oxidized Bitumen 105/15?

Hot air is blown through an asphalt flux to create Oxidized Bitumen 105/15, a semi-solid form of pure petroleum bitumen.

The figures correspond to the middle of the material’s penetration and softening point, respectively. According to ASTM D36 Standards and regulations, the softening point value is the number of degrees Celsius that can be measured using the Ring and Ball method. The penetration value, as established by ASTM-D5 or IP49, is 1/10 mm.

Oxidized asphalt 105/15 is based on petroleum bitumen which is made by blowing grade 60/70 bitumen by hot air.

For bitumen 115/15 to have flow and viscosity, it must be heated twice as hot as the softening point. When bitumen is in a bale, it typically heats up to 230°C. If it is within a bitumen bag, however, it requires an additional 50°C to melt the bag.

Surfaces must be dry, clean, and free of slurry, loose particles, curing products, and imperfections before bitumen 115/15 is applied. Bitumen 115/15 will be easily removed if this type of asphalt is used without first cleaning the region.

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Blowing process bitumen 105/15

The short residue is added to the blowing column just below the typical liquid level after it has been preheated. At the foot of the column is an air distributor that blows air through the bitumen. The air increases the surface area and the rate of reaction by agitating and mixing the oxidized bitumen 105/15 in addition to acting as a reactant. As air rises through bitumen, oxygen is absorbed by the substance. Water and steam are sprayed into the vapour space above the bitumen level; the latter cools the vapours to avoid after-burning and the subsequent creation of coke, while the former suppresses foaming and dilutes the oxygen content of waste gases.

Applications of Oxidized Bitumen 105/15

Among its various applications are electric cable joint protection, joint filler compound, sealant compound, roofing felts, sound-dampening felts, and under carriage sealant in the automotive industry. Blown Bitumen 105/15 is also used extensively as an anti-slip layer compound in the piling business.

It is used as a raw material for roofing, insulation, and bitumen coatings. It is also used in isolation bitumen membrane sheets. Additionally, blown bitumen 105/15 is used in the production of paints, lacquers, varnishes, paper pulp, board, textile processing, carpet backing, corrosion protection, acoustic panels, chemicals, and fuel. In civil works, roofing, pavement, crack sealing and repair, and road construction. It is also used for dust-binding, coating, adhesive, building material additives, and sealing and insulating structures. Rubber and plastic are made with a variety of insulating and impregnating agents.

For paving, use the Bitumen 105/15 products. Additionally, it is utilized in adhesives for electrical laminates, inclining public works constructions, synthetic turf bases, and asphalt-based paints for metal corrosion protection. Blown Bitumen 105/15 is also frequently used in paint manufacturing, Portland cement pavement, pipe coating, roofing, and hydraulic applications.

Storage and Handling of Oxidized Bitumen 105/15

Blown asphalt 105/15 is best up to 10 years from the day it was manufactured. It is suggested for higher time of warehouse keeping to keep the bitumen under shelter and out of the rain and sun shine.

Health & safety of blown asphalt 105/35

Workers should wear protective masks, gloves, and goggles during application. The asphalt can be removed from equipment and tools with kerosene or gasoline.

Oxidized Bitumen 105/15 VS Oxidized Bitumen 115/15

Oxidized Bitumen 105/15 has a relatively low softening point at 105°C compared to the 115/15 grade, thus having more flexibility for moderate temperature conditions. This flexibility is quite useful in roofing and waterproofing applications where slight movement is expected.

On the other hand, 115/15 is much softer at a higher temperature (115°C), which endows it with better heat resistance and will thus be more suitable for regions at a higher temperature or exhibiting full weathering conditions. Both of the grades are versatile, but a decision depends on specific demands caused by environmental conditions.

Packing

Blown Asphalt 115/15 in various packing, including bitumen 105/15 is available in 20 & 50 Kg Kraft Paper Bags 25 Kg Carton box & 150, 180, 200 Kg Steel Drums:

25kg mold packing:

It is most expensive packing since there is mold on and with same mold we can ship out. The mold is carton and at destination you can remove the mold easily.

25Kg Polyamide bag:

It is heat resistance bag and filling directly in water to cool down fast. It is firstly use not possible to take out the Polyamide from the bitumen and then use.

25kg craft bag:

Craft bag is recycle packing and inside is special material to prevent sticking the bitumen to bag. This grade also possible to load on pallet or without pallet for customer.

Technical Data Sheet

Bitumen 105/15Test methodUnitSpecification
Specific gravity @25/25 °CASTM D70(Kg/m3)1.05 approx.
Penetration @ 25 °CASTM D5mm/1010/20
Softening point °CASTM D36°C100/110
Loss on heating (wt) %ASTM D6Wt. %0.2 max
Flashpoint °CASTM D92°C250 min
Solubility is CS2 (wt) %ASTM D4Wt. %99.5 max
Spot testA.A.S.H.O.T102Negative

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