Roofing bitumen - GOST. Bituminous materials Petroleum building roofing grades BNK 45 190

Price: from 16 rub/kg

Purpose

It is applied during construction, road-building and roofing works.

Delivery:

Pickup
Our logistics service
transport company
(for Russia and the CIS)

Bank transfer
To the map of our company
Cash

The material is able to combine mineral grains of fillers into a monolith. It should be noted its excellent adhesion.

The viscosity of NBR 40/180 or 45/190 depends on the group composition and temperature. It indicates the resistance of the inner layers of bitumen when moving relative to each other.

Bitumen grades

Depending on the main characteristics, plasticity, viscosity, softening point, petroleum bitumen is divided into grades:

for road construction. According to GOST, there are 5 grades of oil road bitumen - from 200/300 to 40/60, where the digital designation indicates the limits of penetration change at + 25 ° C that are acceptable for this composition. This also includes four types of BN from 200/300 to 60/90;
for construction works. According to GOST, there are three grades, they are designated BN and are 50/50, 70/30, 90/10. The upper value of the fraction indicates the softening point, and the denominator indicates the penetration rate at + 25°C;
for roofing. In accordance with GOST, there are such grades of bitumen: BNK 40/180 or 45/190, as well as 90/30. The numerator indicates average melting temperature, and the denominator is the penetration parameter at + 25°C.

In addition to viscoplastic and solid bituminous compounds, there are liquid ones. They have low viscosity at room temperature and are used cold or slightly warm.

Supplies of petroleum bitumen (BNK 40/180) and other viscoplastic, solid and liquid products of oil refining are carried out to all regions of Russia.

Bitumen (Latin bitumen - mountain resin)- a substance that is a solidified or viscous mixture of hydrocarbons and their derivatives, a kind of mix. This product is insoluble in water, complete or partial dissolution is possible with solvents such as benzene, chloroform, ethyl alcohol, acetone, turpentine and others, the density of which is from 0.95 to 1.5 g / cu. cm.

The properties of bitumen are influenced by:

bitumen production method
raw material quality
production parameters

The production of high-grade bitumen is influenced by the component composition of oil, the sequence of the general technological scheme of production.

Stamps

There are differences in the areas of application of roofing bitumen:

BNK-40/180– roofing bitumen used for impregnation;
BNK-45/190- roofing bitumen, used for impregnation and formation of the cover layer;
BNK-90/30- roofing bitumen, used only for the cover layer.

The production of high-grade construction bitumen is influenced by the components that make up the oil and the sequence of carrying out technological process production.

Technical requirements

To comply with the regulations in the production of bitumen, it is necessary to comply with standard technical requirements:

Rationing for the BNK-40/180 brand:

Rationing for the BNK-45/190 brand:

softening temperature - 40 - 50 ° С.
needle penetration depth at 25°C - 160 -220 mm.
discrepancy after heating the mass - 0.80%.
flash point - 240°C.
mass fraction of water - traces.
mass fraction of paraffin - 5.0%

Rationing for the BNK-90/30 brand:

softening temperature - 70 - 95 ° С.
needle penetration depth at 25°C - 25 - 35 mm.
brittleness temperature – -10°С.
solubility with organic solvents - 99.5%.
discrepancy after heating the mass - 0.50%.
flash point - 240°C.

Test Methods

The generally accepted test methods for oil roofing bitumen include the following physical and chemical indicators:

penetration;
softening;
fragility;
discrepancy after heating the mass;
penetration from the original;
flash point;
paraffin content.

Sampling from each batch of bitumen in the amount of 0.5 kilograms is carried out according to.

Acceptance rules

After the whole party roofing oil bitumen will be prepared for shipment, a quality certificate is issued for it. Only one quality certificate is issued for each batch. A batch can be recognized as a different amount of bitumen, homogeneous in terms of quality.

Getting unsatisfactory results testing on one or more indicators leads to repeated tests, but the sample volume must be doubled. The conclusion of repeated test results is valid for the entire batch.

The manufacturer is checking for the presence of water mass fraction) at least once every six months. Once every three months, the solubility and the proportion of paraffin (mass) are determined.

Packaging, labelling, transport and storage

For delivery with subsequent storage in warehouses or for bitumen objects under construction, there is a packaging container that serves as protection against dust and dirt, ensures the compactness of the cargo on vehicles.

Basic packaging methods apply such as clovertainers, euro barrels (metal), big bags and craft bags. Bitumen carriers are used to transport bitumen in a state ready for use.

clovertainer has the shape of a cube. The pallet and cover are made of plywood, the walls are made of corrugated cardboard. Unpacking takes a couple of minutes with a grinder.
metal euro barrel easy to use because the lid has a metal clamp. There is no need to unpack, just open the barrel, heat the bitumen, pour the right amount and close it again. Safety of quality is provided at the expense of a cover with a collar.
big run– the packaging is universal polypropylene bag, which can take the form of the container, which is designed for unloading by loading mechanisms.
kraft bags- the most impractical container, both during transportation and when opening the package.
bitumen carrier– tank truck with double walls and wall heating. Due to heating, bitumen does not need long-term heating at facilities under construction.

To determine whether what type of material, its characteristics, characteristics storage and transportation, volume or weight, batch number and certification (if any) there is a marking, information that is applied to each commodity unit.

For oil roofing bitumen - this is BNC, numbers 40/180; 45/190; 90/30 in the numerator is the temperature at which the bitumen becomes soft, and in the denominator is the expected temperature of the solid state.

Ensuring the safety of bitumen oil in containers is produced using racks or pallets. When stored in stacks in closed warehouses, under sheds or on planned industrial sites with concrete or asphalt pavements, which ensures their protection from exposure to sunlight and precipitation.

In cases of bitumen transportation in the solid state, transportation is carried out on specially equipped collapsible forms. Transportation of products from hydrocarbons requires the provision of all necessary requirements fire safety due to spontaneous combustion. Compliance with elementary safety rules eliminates the possibility of accidents and emergencies.

Manufacturer's Warranty

The plant for the produced oil roofing bitumen in the product passport indicates, in accordance with GOST, the material produced, the shelf life and use of no more than one year from the date of production. You can buy construction bitumen for a price of 50 rubles per 1 kg.

Safety requirements

Oil roofing bitumen for roofing mastic belong to the fourth class of danger. This class represents low-hazard combustible substances. For them, the flash point is not lower than 240 degrees Celsius. Self-ignition is possible at a temperature of 300 degrees Celsius.

Like any other construction material, bituminous waterproofing has its own marking system ( symbols), which greatly simplifies the selection and classification finished products. Thanks to a set of established abbreviations and generally accepted abbreviations, the name of the material can be as concise as possible, but at the same time contain the bulk of the necessary information.

For marking bituminous waterproofing materials, letters (Cyrillic, rarely Latin) and numbers (Arabic and Roman) are used. But, unfortunately, in the variety of designations, as a rule, only experienced people who are professionally or often involved in construction are easily oriented. To simplify the task for those who make the choice of waterproofing bituminous materials less often or do it for the first time, we have prepared the following information below.

Hot mastics labeling

Unlike building and road bitumen, bituminous roofing hot mastic is a more plastic (in "working" condition), homogeneous mass, consisting of a bituminous binder and a special filler. Its use is possible only when the material is heated to high temperatures. It is designed for rolled and mastic (glass-reinforced) roofing.

The marking of bituminous roofing hot mastics is diverse due to possible combinations of combinations of characteristics and composition of the substance.

Roofing mastic (MBK) hot (G) can have different heat resistance indicators, measured in degrees Celsius (°C) and displayed in the name of the material, as a natural equivalent of this indicator. According to this, hot roofing mastic has 5 grades:

MBK-G-55
MBK-G-65
MBK-G-75
MBK-G-85
MBK-G-100

Thus, hot mastic brands have heat resistance for 5 hours, not less than 55, 65, 75, 85 and 100 degrees Celsius, respectively.

An additional symbol in the labeling of mastic can be the designation of special additives introduced into the composition of the substance of antiseptics (A) or herbicides (D).

Hot roofing mastic with a heat resistance of 65 ° C and the addition of an antiseptic has the MBK-G-65A brand;
. hot roofing mastic with heat resistance of 55 ° C with the addition of herbicides - brand MBK-G-55G.

Commonly accepted abbreviations and indices make it possible to significantly simplify the process of naming and classifying bituminous products, to make the perception of names as simple, understandable and accessible as possible.

We offer roofing bitumen BNK 45/180. The number 45 in the index indicates that the softening of the bitumen begins to occur at a temperature of +45 o C. The number 180 is the penetration rate. Given these indicators, we can say that this bitumen - the best option for use as an impregnation.

The popularity of this material in construction, repair and other types of work is due to the following factors:

relatively low cost of the material itself, as well as the performance of work using it;
roofing bitumen 45/180 is characterized by absolute moisture impermeability. Due to this, when using it, it is possible to provide reliable protection of buildings and structures from the harmful effects of moisture on them.
the porosity of the material is almost zero. In addition to water resistance, this affects such an indicator as the frost resistance of bitumen.

Working with BNK 45/180 bitumen

To ensure high-quality waterproofing when using this material, it is necessary to pre-prepare the surface to be treated. If necessary, exfoliated areas must be chiselled to a hard layer. Gating points, as well as areas where there are too deep recesses, must be leveled using special tools.

After that, the surface is cleaned from a variety of debris, mastics and special tools. Then the bitumen is applied in the chosen way.

If you are interested in the price of bitumen BNK 45/180, please contact the managers of our company. We work with any volume of this material. Deliveries are organized as soon as possible.

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