WO2010095916A1 - Insulation material - Google Patents
Insulation material Download PDFInfo
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- WO2010095916A1 WO2010095916A1 PCT/KZ2009/000004 KZ2009000004W WO2010095916A1 WO 2010095916 A1 WO2010095916 A1 WO 2010095916A1 KZ 2009000004 W KZ2009000004 W KZ 2009000004W WO 2010095916 A1 WO2010095916 A1 WO 2010095916A1
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- WIPO (PCT)
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- oil
- insulation material
- composition
- insulation
- bitumen
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D195/00—Coating compositions based on bituminous materials, e.g. asphalt, tar, pitch
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N5/00—Roofing materials comprising a fibrous web coated with bitumen or another polymer, e.g. pitch
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
Definitions
- the invention relates to a composition of bituminous, insulating materials, which can be used to protect against underground and atmospheric corrosion of oil, gas and product pipelines and as a roofing waterproofing material for any type of surface.
- Insulation material "Rizolin” is a flexible waterproofing material made on the basis of cotton-polyester fabric impregnated with an electrical insulating bituminous composition, which is a melt of a mixture of oil bitumen construction BH-90/10 and oil bitumen BN-
- composition of the tar composition and the introduced components is the following proportion, mass. %: - construction bitumen oil BN 90/10 - 20%
- the invention relates to a composition of bituminous, insulating materials, to a technology for producing an insulating material for protection against underground and atmospheric corrosion of oil, gas and product pipelines and outlets from them: welded pipe joints, connection points for cathodic, drainage, tread installations, waterproofing material for drainage, tread installations, waterproofing material for metal and concrete surfaces.
- bitumen mastic contains petroleum bitumen, crumb rubber, lignin and industrial oil in the following ratio of components, wt.%: Petroleum bitumen - 80-92%; rubber crumb - 1-5%; lignin - 5-9%; industrial oil - 2-6%.
- lignin into the composition allows to give the mastic a more uniform structure, increase the softening temperature, ductility and viscosity, and the addition of industrial oil improves extensibility.
- the disadvantage of this method is that the preparation of mastic causes difficulty in organizing and controlling the technological process, and the absence of a fabric base does not provide the mastic with sufficient physical and mechanical properties that are necessary for mass application in corrosion protection of product pipelines.
- bitumen-polymer material is applied to fiberglass from 2 sides.
- the bitumen-polymer mixture consists of bitumen and SBS thermoplastic in the following ratio of components, wt.%: - road oil bitumen BN 60/90 - 90%;
- thermoplastic polymer - 10%.
- SBS composition provides the insulation material with the necessary heat resistance and stability.
- a characteristic feature is that the material obtained in this way, with such ingredients, retains its physical and mechanical properties at low temperatures.
- a significant drawback is the lack of elasticity and flexibility of the material, which affects the scope of its application - this is roofing in construction ⁇ , repairs of buildings and structures, i.e. narrow focus applicability.
- the objective of the invention is to develop such a waterproofing material with improved physico-mechanical, electrical insulation properties and protective characteristics, the use of which would greatly expand its field of application in construction (foundations, roofs with slopes, etc.), in the protection of pipelines, welded pipe joints, connection points for cathode, drainage, and tread installations and would increase the service life of these structures.
- the technical result of the invention is the production of flexible, durable, resistant to aggressive environments, hydro and electrical insulation material. Metal surfaces coated with this material increase the service life of the protected structure and protect them from corrosion for more than 20 years.
- the composition penetrates deep into the fabric fibers, which affects the durability, elasticity and gives the material resistance to aggressive environments.
- a plasticizer - industrial and polymerized linseed oil - makes this material flexible and very flexible, the rather high elasticity of the waterproofing material allows it to be used to isolate particularly complex sections of structures and facilities in construction, in electrical insulation and in repair work.
- the bitumen composition is applied with the help of a squeegee impregnation machine installed under a certain fragility in the machine.
- the thickness of the impregnated fabric should be 0.8 ⁇ 0D5mm.
- the impregnated fabric is wound into a roll with a diameter of lbO ⁇ Ymm.
- An impregnated fabric roll should mature at an ambient temperature of t no higher than 25 ° C for at least 8 hours. After that, rollers with waterproofing material of the required width for the customer are cut from the obtained rolls with an impregnated fabric.
- Physico-mechanical properties and protective characteristics are checked according to GOST P 51164-98 or according to TU 16-503.020-91.
- Rizolin is part of the normal type of protective coatings used in the pipeline insulation kit as a sticky inner layer.
- Rizolin can be manufactured with a protective material for the outer layer and without a protective material for the outer layer.
- Protective material is possible in two types:
- the physico-mechanical properties of the waterproofing material according to the proposed method is better than by known methods, and, given its high insulation properties, it is possible to judge the wide scope of its application.
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- Chemical & Material Sciences (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Textile Engineering (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to building insulation materials and is used as an insulation material for protecting against underground and atmospheric corrosion oil-, gas- and product pipelines and the branches thereof such as welded pipe joints, points of connection of cathodic drain protection units, waterproofing material for metal and concrete surfaces, roofing waterproofing material for all types of surfaces and as itself-sufficient coating for insulating flanged joints of pipes. The insulation material is a flexible waterproofing material based on a cotton-polyester fabric impregnated by a bituminous electroinsulating composition with the following added plasticizers: the industrial oil I4OA, a polymerized linseed oil and modified additives. Owing to a specific process, the composition penetrates deeper into tissue fibers, thereby influencing the service life and elasticity of the material by rendering it resistive to the action of corrosive media. The elasticity of the material makes it possible to use it for insulating particularly sophisticated sections of structures and constructions in building and for repair works. Metal surfaces coated with the insulation material extend the service life of the protected structure and protect it against corrosion for more than 20 years.
Description
Изоляционный материал «Pизoлин» Insulation material "Rizolin"
Описание изобретенияDescription of the invention
Изобретение относится к композиции битуминозных, изоляционных материалов, который может быть использован для защиты от подземной и атмосферной коррозии магистральных нефте-, газо- и продуктопроводов и как кровельной гидроизоляционный материал для любых видов поверхностей.The invention relates to a composition of bituminous, insulating materials, which can be used to protect against underground and atmospheric corrosion of oil, gas and product pipelines and as a roofing waterproofing material for any type of surface.
Изоляционный материал «Pизoлин» представляет собой гибкий гидроизоляционный материал, изготовленный на основе хлопкополиэфирной ткани, пропитанной электроизоляционным битуминозным составом, представляющего собой расплав смеси битума нефтяного строительного БH-90/10 и битума нефтяного БН-Insulation material "Rizolin" is a flexible waterproofing material made on the basis of cotton-polyester fabric impregnated with an electrical insulating bituminous composition, which is a melt of a mixture of oil bitumen construction BH-90/10 and oil bitumen BN-
60/90 с добавлением пластификатора - масла индустриального и масла льняного и модифицирующих добавок. Композиция битуминозного состава и введенных компонентов составляет следующую пропорцию, масс. %: - битум нефтяной строительный БН 90/10 - 20%60/90 with the addition of a plasticizer - industrial oil and linseed oil and modifying additives. The composition of the tar composition and the introduced components is the following proportion, mass. %: - construction bitumen oil BN 90/10 - 20%
- битум нефтяной дорожный БН 60/90 или БНД 90/130 - 72%- oil bitumen road BN 60/90 or BND 90/130 - 72%
- масло индустриальное И40A или И80 - 4%
- масло льняное полимеризованное - 2% - модифицирующие добавки - 2%- industrial oil I40A or I80 - 4% - polymerized linseed oil - 2% - modifying additives - 2%
Изобретение относится к композиции битуминозных, изоляционных материалов, к технологии получения изоляционного материала для защиты от подземной и атмосферной коррозии магистральных нефте-, газо- и продуктопроводов и отводов от них: сварные стыки труб, места подключения катодных, дренажных, протекторных установок, гидроизоляционного материала для дренажных, протекторных установок, гидроизоляционного материала для металлических и бетонных поверхностей.The invention relates to a composition of bituminous, insulating materials, to a technology for producing an insulating material for protection against underground and atmospheric corrosion of oil, gas and product pipelines and outlets from them: welded pipe joints, connection points for cathodic, drainage, tread installations, waterproofing material for drainage, tread installations, waterproofing material for metal and concrete surfaces.
Известно изобретение композиции битуминозных материалов (предварительный патент PK JУГol.3033 кл.C09D 195/00, 2003 год) - мастика битумная. Мастика битумная содержит битум нефтяной, резиновую крошку, лигнин и индустриальное масло в следующем соотношении компонентов, мac.%: битум нефтяной - 80-92%; резиновая крошка - 1-5%; лигнин - 5-9%; масло индустриальное - 2-6%.The invention of the composition of bituminous materials is known (preliminary patent PK JUGol. 3033 class C09D 195/00, 2003) - bitumen mastic. Bitumen mastic contains petroleum bitumen, crumb rubber, lignin and industrial oil in the following ratio of components, wt.%: Petroleum bitumen - 80-92%; rubber crumb - 1-5%; lignin - 5-9%; industrial oil - 2-6%.
Введение в состав композиции лигнина позволяет придать мастике более однородную структуру, повысить температуру размягчения, пластичность и вязкость, а добавление масла индустриального улучшает растяжимость.
Недостатком этого способа является то, что приготовление мастики вызывает сложность в организации и управлении технологического процесса, а отсутствие тканевой основы не наделяет мастику достаточными физико-механическими свойствами, которые необходимы для массового применения в защите от коррозии продуктопроводов.The introduction of lignin into the composition allows to give the mastic a more uniform structure, increase the softening temperature, ductility and viscosity, and the addition of industrial oil improves extensibility. The disadvantage of this method is that the preparation of mastic causes difficulty in organizing and controlling the technological process, and the absence of a fabric base does not provide the mastic with sufficient physical and mechanical properties that are necessary for mass application in corrosion protection of product pipelines.
Известен наиболее близкий к предлагаемому изобретению изоляционный материал «Pyкaн» (описание изобретения к авт.свид.Known closest to the proposed invention, the insulating material "Pykan" (description of the invention to autosvid.
РФ JV2248602). На стеклоткань с 2-х сторон наносят битумно- полимерный материал. Битумно-полимерная смесь состоит из битума и термопласта СБС в следующем соотношении компонентов, мacc.%: - битум нефтяной дорожный БН 60/90 - 90%;RF JV2248602). A bitumen-polymer material is applied to fiberglass from 2 sides. The bitumen-polymer mixture consists of bitumen and SBS thermoplastic in the following ratio of components, wt.%: - road oil bitumen BN 60/90 - 90%;
- термопластичный полимер - 10%.- thermoplastic polymer - 10%.
Применение СБС-композиции обеспечивает изоляционную материалу необходимую теплостойкость и устойчивость. Характерным признаком является- то, материал, полученный таким способом, с такими ингредиентами, сохраняет свои физико- механические свойства при низких температурах. Но существенным недостатком является недостаточная эластичность и гибкость материала, что отражается на сфере его применения - это кровельные работы в строительств^, ремонтах зданий и сооружений, т.е. применяемость узкой направленности.
Задачей изобретения является разработка такого гидроизоляционного материала, обладающего улучшенными физико-механическими, электроизоляционными свойствами и защитными характеристиками, применение которого намного бы расширило область применяемости его в строительстве (фундаменты, кровли со скатами и пр.), в защите магистральных трубопроводов, сварных стыков труб, места подключения катодных, дренажных, протекторных установок и увеличило бы срок службы этих конструкций.The use of SBS composition provides the insulation material with the necessary heat resistance and stability. A characteristic feature is that the material obtained in this way, with such ingredients, retains its physical and mechanical properties at low temperatures. But a significant drawback is the lack of elasticity and flexibility of the material, which affects the scope of its application - this is roofing in construction ^, repairs of buildings and structures, i.e. narrow focus applicability. The objective of the invention is to develop such a waterproofing material with improved physico-mechanical, electrical insulation properties and protective characteristics, the use of which would greatly expand its field of application in construction (foundations, roofs with slopes, etc.), in the protection of pipelines, welded pipe joints, connection points for cathode, drainage, and tread installations and would increase the service life of these structures.
Технический результат изобретения - это получение эластичного, долговечного, стойкого к воздействию агрессивных сред, гидро- и электроизоляционного материала. Покрытые этим материалом металлические поверхности увеличивают срок службы защищаемой конструкции и предохраняют их от коррозии более 20 лет.The technical result of the invention is the production of flexible, durable, resistant to aggressive environments, hydro and electrical insulation material. Metal surfaces coated with this material increase the service life of the protected structure and protect them from corrosion for more than 20 years.
Благодаря особой технологии, происходит глубокое проникновение состава в волокна ткани, что отражается на долговечности, эластичности и придает материалу стойкость к воздействию агрессивных сред. Добавление пластификатора - масла индустриального и полимеризованного льняного масла - делает этот материал эластичным и очень гибким, довольно высокая эластичность гидроизоляционного материала позволяет применять его для изолирования особо сложных участков конструкций и
сооружений в строительстве, в электроизоляции и в ремонтных работах.Thanks to a special technology, the composition penetrates deep into the fabric fibers, which affects the durability, elasticity and gives the material resistance to aggressive environments. The addition of a plasticizer - industrial and polymerized linseed oil - makes this material flexible and very flexible, the rather high elasticity of the waterproofing material allows it to be used to isolate particularly complex sections of structures and facilities in construction, in electrical insulation and in repair work.
Приготовление материала' осуществляется следующим образом: Битум нефтяной дорожный БН 60/90 или БНД 90/130 закачивают в реактор для приготовления битуминозного состава и расплавляют до исчезновения пены. Битум марки БН 10/90 дробят на мелкие куски и тоже загружают в реактор. Нагревают смесь до t = 120±10°C до получения чистой зеркальной поверхности. Добавляют пластификатор - . взвешенное количество масла индустриального И40A или И80 и полимеризованного льняного масла и проваривают уже с маслом при t = 120±10°C еще в течение 1-2 часов.The preparation of the material is carried out as follows: Road oil bitumen BN 60/90 or BND 90/130 is pumped into the reactor to prepare the bituminous composition and melted until the foam disappears. Bitumen grade BN 10/90 is crushed into small pieces and also loaded into the reactor. Heat the mixture to t = 120 ± 10 ° C until a clean mirror surface is obtained. Add plasticizer. a weighted amount of industrial oil I40A or I80 and polymerized linseed oil and boil with oil at t = 120 ± 10 ° C for another 1-2 hours.
Подготавливаются рулоны ткани к пропитке, путем просушивания в течение суток в теплом проветриваемом помещении. Укладывают ткань, свернутую в виде книжки, в пропиточную машину и заправляют под направляющие валики. Заливают готовый битуминозный раствор под направляющие валики. Заливают готовый битуминозный раствор в машину и поддерживают уровень состава в ванне пропиточной машины не менее 3 см под направляющими валиками. Температуру битумного состава в ванне необходимо поддерживать в пределе t = 90±10°C. Ткань пропитывается со скоростью движения полотна l-7м/мин. Нанесение битумного состава производится с помощью раклей
пропиточной машины, установленных под определенным утлом в машине. Толщина пропитанной ткани должна быть 0,8±0Д5мм Пропитанная ткань сматывается в рулон диаметром lбО±Юмм. Рулон с пропитанной тканью должен вызревать при t окружающей среды не выше 25°C, не менее 8 часов. После чего из полученных рулонов с пропитанной тканью нарезают ролики с гидроизоляционным материалом необходимой ширины для заказчика. Физико-механические свойства и защитные характеристики проверяются по ГОСТ P 51164-98 или по ТУ 16- 503.020-91. По этой классификации «Pизoлин» входит в состав защитных покрытий нормального типа, применяемых в комплекте изоляции трубопроводов в качестве липкого внутреннего слоя. Для расширения области применение и увеличения потенциальных заказчиков «Pизoлин» можно изготавливать с защитным материалом наружного слоя и без защитного материала наружного слоя. Защитный материал возможен двух видов:Fabric rolls are prepared for impregnation by drying during the day in a warm, ventilated room. They put the cloth, folded in the form of a book, in an impregnation machine and tuck it under the guide rollers. Pour the finished bituminous solution under the guide rollers. The finished bituminous solution is poured into the machine and the composition level in the bath of the impregnation machine is maintained at least 3 cm under the guide rollers. The temperature of the bitumen composition in the bath must be maintained in the limit t = 90 ± 10 ° C. The fabric is impregnated with a speed of movement of the canvas l-7m / min. The bitumen composition is applied with the help of a squeegee impregnation machine installed under a certain fragility in the machine. The thickness of the impregnated fabric should be 0.8 ± 0D5mm. The impregnated fabric is wound into a roll with a diameter of lbO ± Ymm. An impregnated fabric roll should mature at an ambient temperature of t no higher than 25 ° C for at least 8 hours. After that, rollers with waterproofing material of the required width for the customer are cut from the obtained rolls with an impregnated fabric. Physico-mechanical properties and protective characteristics are checked according to GOST P 51164-98 or according to TU 16-503.020-91. According to this classification, Rizolin is part of the normal type of protective coatings used in the pipeline insulation kit as a sticky inner layer. To expand the scope of application and increase potential customers, Rizolin can be manufactured with a protective material for the outer layer and without a protective material for the outer layer. Protective material is possible in two types:
- полимерная пленка в качестве защитного материала (в обозначении указывается буква - П, например: «Pизoлин» - П);- a polymer film as a protective material (the letter P is indicated in the designation, for example: “Pisolin” - P);
- алюминиевая фольга в качестве защитного материала (в обозначении указывается буква - Ф, например: «Pизoлин» - Ф).- aluminum foil as a protective material (the letter F is indicated in the designation, for example: “Pisolin” - F).
Физико-механические свойства и защитные характеристикиPhysico-mechanical properties and protective characteristics
Claims
Формула изобретенияClaim
Изоляционный материалInsulation material
«Pизoлин»"Rizolin"
Изоляционный материал «Pизoлин», представляющий собой гидро- и электроизоляционный материал, применяемый в трубопроводах для защиты поверхности от коррозии и как кровельной материал для любых видов поверхностей, отличающийся тем, что изготавливается на основе хлопкополиэфирной ткани, которая пропитана битуминозным электроизоляционным составом . в следующем соотношении компонентов, мacc.%:Insulation material "Rizolin", which is a hydro and electrical insulation material used in pipelines to protect the surface from corrosion and as a roofing material for all types of surfaces, characterized in that it is made on the basis of cotton-polyester fabric, which is impregnated with a bituminous electrical insulation composition. in the following ratio of components, wt.%:
- битум нефтяной строительный БН 90/10 - 20%- oil construction bitumen BN 90/10 - 20%
- битум нефтяной дорожный БН 60/90 или БНД 90/130 - 72%- oil bitumen road BN 60/90 or BND 90/130 - 72%
- масло индустриальное И40A или И80 - 4% - масло льняное полимеризованное — 2%- industrial oil I40A or I80 - 4% - polymerized linseed oil - 2%
- модифицирующие добавки - 2%
- modifying additives - 2%
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/KZ2009/000004 WO2010095916A1 (en) | 2009-02-20 | 2009-02-20 | Insulation material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/KZ2009/000004 WO2010095916A1 (en) | 2009-02-20 | 2009-02-20 | Insulation material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2010095916A1 true WO2010095916A1 (en) | 2010-08-26 |
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ID=42634063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KZ2009/000004 WO2010095916A1 (en) | 2009-02-20 | 2009-02-20 | Insulation material |
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| WO (1) | WO2010095916A1 (en) |
Cited By (3)
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| RU2508304C1 (en) * | 2012-08-29 | 2014-02-27 | Общество с ограниченной ответственностью "Кристон" | Insulation composition and method for production thereof |
| RU2539295C1 (en) * | 2013-12-25 | 2015-01-20 | Общество с ограниченной ответственностью "Кристон" | Insulating composition |
| US10291939B2 (en) | 2010-09-30 | 2019-05-14 | Mitsubishi Electric Corporation | Moving image encoding device, moving image decoding device, moving image coding method, and moving image decoding method |
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| RU2192579C1 (en) * | 2001-10-30 | 2002-11-10 | Закрытое акционерное общество "Делан" | Bituminous polymer mastic transcor for polymer roll material |
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| WO2000055271A1 (en) * | 1999-03-16 | 2000-09-21 | Shell Internationale Research Maatschappij B.V. | Pipe coatings |
| RU2192579C1 (en) * | 2001-10-30 | 2002-11-10 | Закрытое акционерное общество "Делан" | Bituminous polymer mastic transcor for polymer roll material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10291939B2 (en) | 2010-09-30 | 2019-05-14 | Mitsubishi Electric Corporation | Moving image encoding device, moving image decoding device, moving image coding method, and moving image decoding method |
| RU2508304C1 (en) * | 2012-08-29 | 2014-02-27 | Общество с ограниченной ответственностью "Кристон" | Insulation composition and method for production thereof |
| RU2539295C1 (en) * | 2013-12-25 | 2015-01-20 | Общество с ограниченной ответственностью "Кристон" | Insulating composition |
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