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Product manufacturing equipment for the production of fiberglass and asbestos filaments

Product manufacturing equipment for the production of fiberglass and asbestos filaments

Cutting Frp Pipe. The development of fiber-reinforced plastic for commercial use was extensively researched in the s. Product Price Catalogue. This product is easy to cut to desired length and install with all of The Duct Shops sheet metal fittings.

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Insulation is found in most all modern buildings, with fiberglass insulation being the most popular type of insulation. Life cycle assessments include the following steps: raw materials acquisition, manufacturing and processing, distribution and transportation, use and maintenance, recycling, and waste management.

In all of these steps, various materials and energy sources are used and various outputs are produced. In the life-cycle of fiberglass insulation—especially during the raw materials acquisition and manufacturing steps—many materials are used including raw materials of glass like silica, soda ash, and borax as well as materials used to heat the glass during manufacturing like coal and natural gas.

The transportation, distribution, packaging, and installation uses other materials as well, though less as the insulation is usually compressed. The lifecycle of fiberglass insulation begins with acquiring the raw materials of soda ash, alumina, borax, silica, and limestone. Though there are variations in the exact recipes of fiberglass insulation that the producing companies use, these materials are fairly universal.

Soda ash, alumina, borax, silica and limestone all require mining, though through a variety of methods, and some require purification. Soda ash, for instance, is mined from trona—a sodium carbonate compound.

The remaining ten percent come from a company in California which uses a different system than Wyoming companies to mine the trona ore. Then, the water is evaporated and the remaining substances becomes recrystallized in a centrifuge to separate the soda ash crystals from any remaining water.

Another major raw material in fiberglass insulation is alumina, which comes from bauxite. Bauxite is mostly found in tropical locations worldwide, with ninety percent of the bauxite concentrations coming from locations like Central and South America, West Africa, India, Vietnam, and Australia Donoghue.

Borax, another major raw material in fiberglass insulation production, has seventy-five percent of its production in either the U.

Once mined, the material is sent to a fiberglass insulation factory. Another one of the major raw materials, silica, is mined from four main sources: massive quartz, quartzite, sandstone, and silica sand Fragasso. The common factor between all of these materials is some kind of quartz, as sandstone and silica sand also consist of quartz. These sources are produced most often in the United States, with In researching limestone, there was very unclear and minimal information about where most limestone mines are located.

Recycled glass is also used sometimes in fiberglass insulation production as a secondary raw material. In , the amount of recycled glass used was over one billion pounds and in the amount used was almost two billion pounds Crane; Bennett. Recycled glass, soda ash, silica, borax, alumina, and limestone make up the majority of the most important raw materials in fiberglass insulation, but other materials are often added as well.

Once all the raw materials are transported to the fiberglass insulation factory, the materials go through the manufacturing stages: dry mixing, melting, the centrifuge technique, hot air blast, trimming, and packaging. First, the raw materials including silica, alumina, borax, limestone, soda ash, and others, are dry mixed.

The materials then go through a melting process in a high-refractory furnace and then flow directly to the fiber-drawing furnace. This technique is called a rotary or centrifuge technique, as the glass strands are created with centrifugal force Manville. The fiberglass is then trimmed and cut to size, with the trimmed pieces routinely returning back to the mixture melted to be used in a new piece of fiberglass insulation Crane.

Though it could be found that often some of the packaging for fiberglass insulation is recyclable, more information on the exact types of packaging were difficult to find Crane. Additionally, information about the materials that are used in the dry mix machines, high-refractory furnaces, the fiber-drawing furnaces, and other machines used at the factory were difficult to find. However, information about the materials used by the machines was readily available, with hard coal, lignite, oil, natural gas, and electricity being used to power the manufacturing and provide energy for heating up the glass Pargana.

During the manufacturing stage of the life cycle assessment, the original raw materials go through steps to become fiberglass insulation and new materials are used in providing energy for the machines and in packaging. The final steps of the life cycle assessment—transportation and distribution, use and maintenance, recycling, and waste management—feature very few new materials. In terms of transportation and packaging, due to the compact nature and compressing of the fiberglass insulation, less transportation methods and less packaging materials are needed as compared to other types of insulation Crane.

As such, less materials like diesel fuel and propane—that run on fossil fuel combustion—are used at this stage of the life cycle Mazor. In the actual use of fiberglass insulation, the next step of the life cycle, no new materials are used. Additionally, in the installation of fiberglass insulation, no new materials are used. The product also requires no maintenance and as such no other materials used at that stage of the life cycle Crane.

As the product can be reused, the product is naturally recyclable, so there are no new materials at that stage of the life cycle. As such, the material goes to waste, where there are no new materials used. Though few new materials are introduced in these stages of the life cycle assessment, the materials that are used in these stages are comparatively less than the amounts would be for other sorts of insulation.

Raw materials such as silica, soda ash, limestone, borax, and alumina are mined through open-pit or room and pillar methods. Then, these materials go through dry-mixing, melting, spinning in the fiber-drawing furnace, blasted with hot air, trimming, and packing in the manufacturing stage.

Other materials such as packaging materials and hard coal, lignite, oil, natural gas, and electricity are also introduced during this stage of the life cycle. In the distribution and transportation stage, Diesel fuel and propane that run on fossil fuel combustion are used, though less than they would be used for other insulation types due to the compressed nature of fiberglass insulation.

No new materials are used in the recycling and waste management stages of the fiberglass insulation life cycle either. Overall, fiberglass insulation makes extensive use of the raw materials acquired in the beginning of the life cycle through its long lifetime and reusable and compressed nature; thus, other materials used in providing energy in manufacturing and transportation are saved in comparison to other insulation types.

Bennett, Sophia. Crane, Angus E. Donoghue, Michael A. Occupational and Environmental Medicine, 8 May Fragasso, Dominic and Denis Blackburn. Archive Document, U. Environmental Protection Agency. Manville, Johns. Mazor, Michael H. Mutton, David A. Russell, and Gregory A. Journal of Industrial Ecology , 11 March Wiley Online Library ,. Association, 1 February The fluffy pink stuff in your attic is not ornamental but a tool used in most modern homes.

It's actually fiberglass made from tiny particles of glass and sand or silica as a barrier to protect against extreme temperatures. This material, first invented in the s by the Owens Corning Company, is a reliable and durable source of insulation for long lasting home comfort Ringler. The production of fiberglass insulation, which has become a staple resource in building and home construction, is a relatively simple process of blowing molten glass and silica sand into a blanket or loose fill form, typically performed in a factory using automated equipment Wilson.

Although this process is not particularly lengthy, it can be very energy intensive. In order to accurately convey the energy lifecycle of fiberglass insulation, it is important to examine the entire process, from the collection of raw materials to the re-use or disposal of the final product. This will ensure that unintended consequences caused by the production or disposal of the product are accounted for and mitigated.

The creation of fiberglass requires mining and acquiring several raw materials such as borax, soda ash, alumina, and limestone; which require the use of Geothermal, Mechanical, and Chemical energy to operate mining and transportation machinery for harvesting these materials. The benefits of using materials such as milled limestone in fiberglass are controlled viscosity, increased durability, and chemical wear resistance carmeuse.

This saves energy by preventing the need for future replacements of damaged insulation. Although these raw materials are commonly used in the production process, recycled glass material may also be used to make fiberglass insulation. This more environmentally responsible option is slightly more complicated with the need to sort, collect, clean, and melt down existing glass products Wilson.

However, there are several significant benefits from manufacturers using recycled glass. For instance, recycled glass reduces emissions and consumption of raw materials, extends the life of plant equipment, such as furnaces, and saves energy GPI.

This results in a product that saves 12 times the energy used in production within its first year of installation Wilson. The most energy spent, however, is in the operation of the equipment used to make fiberglass. The process is completed once the blanket is cut into batts and rolls and then labeled based on its resistance to heat Wilson.

This allows for consumers or buyers to know how effective the insulation is at regulating temperature transfer. But the Energy cycle does not end there. After production, insulation is packaged and shipped to home supply stores or construction firms for use. This involves the use of Chemical, Electrical, and Mechanical energy most commonly associated with transportation in the form of cars, boats, trains, and airplanes which all use fuel to transport goods.

The shipment process accounts for a large amount of energy used to carry the product to where it will be sold or distributed. Once the fiberglass insulation is distributed, it is installed in homes and buildings by a professional.

Batts, which are most commonly used in home insulation are stapled or glued to the structure of the interior wall, attic or ceiling. This process using gravitational and kinetic energy secures the insulation and helps to control the temperature of the enclosed and insulated area Ringler.

If installed properly and kept away from moisture, fiberglass insulation is effective for years after it has been installed How Long. Its fire-retardant properties are another benefit to its use in homes today.

This proves its durability and long lasting effectiveness. However, should the insulation become damaged or moist due to a leak or weather, it is no longer beneficial to the regulation of hot and cold temperatures and will need to be replaced. Assuming that the insulation is undamaged it may be reused in other buildings or construction projects, but this is not usually done since it is considered unsafe and may contain mold or asbestos which can cause serious damage to the lungs if small particles are inhaled.

And as stated above, although fiberglass can often be made from recycled glass material, when it comes to recycling the used insulation itself it is nearly impossible to do in a way that is unharmful to the environment. Unfortunately, disposing of fiberglass insulation in landfills may cause toxic chemicals and small glass fibers to leech into the ground and cause serious harm to the ecosystem since it is not degradable.

With the added force of Gravitational energy this leakage may pollute the groundwater and harm nearby species. Thus, it is important that fiberglass is removed and disposed of responsibly. While fiberglass may be durable and easily produced, the effects of its chemical composition are not worth the detriment it causes our planet.

That is why the insulation industry has begun to look elsewhere, for more environmentally friendly insulation solutions such as soy based materials and wool Hurley.

This simple alternative could drastically decrease the energy used on creating fiberglass insulation and cut down unnecessary waste and chemical emissions. With these alternatives, the opportunity to protect our planet and reduce energy use as well as waste is an easy conversion.

The use of fiberglass insulation is widespread and common in most homes.

Fibreglass reinforced products

Individual fine glass filaments which are drawn from a glass melt and then combined in large multiples to form the continuous filament yarn or the shorter lengths used to produce the staple glass fiber yarn of commerce, are now generally coated with a lubricant size for weaving or a plastic acceptor coating for plastics reinforcement. Practically none is left unsized or uncoated, because of the very abrasive character of a glass surface in contact with another glass surface. However, the present sizing materials do not completely protect the filaments in a glass yarn from destroying each other under bending, twisting, vibration or other stress.

Fibreglass is a synthetic fibre formed by melting glass in a furnace. The molten material is then forced through small holes to form the filaments or fibre. The coarser fibres are woven to form a cloth which can be used to form fibre reinforced plastics FRP , widely used to manufacture sinks, baths, boats, pools, spas and pipes, or as a reinforcement in building materials.

Basis Specialty Material Co. It is mainly used for EMI shielding as a filler to make compounding pellets with various resins. Either or both electroless and electro planting process can offer single or dual metal layers onto the surface of carbon fibers according to the requirements. With sales of EUR

Fiberglass, Dusts

Fiberglass is a substance made when small glass particles are extruded into thin strands of material used to reinforce polymer products or as insulation. As health concerns rose about asbestos throughout the 20th century, leading to its general banning and phasing out as insulation in many countries worldwide, fiberglass production steadily increased and its use replaced asbestos in many applications. Asbestos concerns centered around the particulate air contamination it led to, which caused lung diseases like asbestosis, lung cancer and others. However, with higher amounts of fiberglass insulation nationwide, there have also been higher concerns about possible health hazards. Fiberglass is a synthetic material primarily made of silica, a type of silicon oxide polymer that does not have a melting point and has long been used for its hardness properties. Silica is commonly in sand or quartz, and is used to create many types of glass, including window glass, drinking glasses and optical fibers. There are various types of fiberglass, distinguished by their chemical makeup, including:. The only generally agreed upon fact is that fiberglass is an irritant, a fact immediately apparent when handling the pink insulation common in houses.

US2778763A - Production of composite glass and asbestos yarn - Google Patents

NCBI Bookshelf. Man-made Vitreous Fibres. Man-made vitreous fibre MMVF is a generic name used to describe an inorganic fibrous material manufactured primarily from glass, rock, minerals, slag and processed inorganic oxides. The MMVFs produced are non-crystalline glassy, vitreous, amorphous.

Fiberglass Pipe Uses. Some people choose to install a stouter post between every 10 fiberglass posts.

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Cutting Frp Pipe

Vetrotex fiberglass yarns can be braided to produce tubular structures. The flexibility of the braid structure, as well as the mechanical, thermal and electrical characteristics of glass, make braided fiberglass ideal for many products. A circular braiding machine is composed of two rotating sets of bobbins on which glass filament yarns have been wound. The bobbins of the two sets pass alternatively inside and outside along the path, forming the tubular braid structure.

Glass fiber or glass fibre is a material consisting of numerous extremely fine fibers of glass. Glassmakers throughout history have experimented with glass fibers, but mass manufacture of glass fiber was only made possible with the invention of finer machine tooling. In , Edward Drummond Libbey exhibited a dress at the World's Columbian Exposition incorporating glass fibers with the diameter and texture of silk fibers. Glass fibers can also occur naturally, as Pele's hair. Glass wool , which is one product called "fiberglass" today, was invented in — by Russell Games Slayter of Owens-Corning , as a material to be used as thermal building insulation. Glass fiber when used as a thermal insulating material, is specially manufactured with a bonding agent to trap many small air cells, resulting in the characteristically air-filled low-density "glass wool" family of products.

Frp Pipe Manufacturing Process

Fi g Page. Sales of asbestos in Arizona Southern Rhodesia. Exports of chrysotile from the Union of South Africa by principal countries of destination Fig Page. Summary and introduction.

insulation purposes have ceased manufacturing asbestos containing materials. series of machines that apply heat and rollers to produce a felt with uniform multi-layered grade fiberglass filaments or wire strands may be embedded.

Kanerva's Occupational Dermatology pp Cite as. Histopathology of dermatitis is nonspecific unless the fiberglass is itself visualized in the skin biopsy or skin tape stripping. Treatment is nonspecific except for taking measures to curtail exposure to fiberglass and where possible to identify sources of exposure.

Safety and Health Concerns: Fiberglass

Insulation is found in most all modern buildings, with fiberglass insulation being the most popular type of insulation. Life cycle assessments include the following steps: raw materials acquisition, manufacturing and processing, distribution and transportation, use and maintenance, recycling, and waste management. In all of these steps, various materials and energy sources are used and various outputs are produced.

EP1736449A1 - Method for manufacturing basalt fiber - Google Patents

This is the name for laminated material made from thermosetting resin reinforced with glass fiber mainly unsaturated polyester resin or epoxy resin. We manufacture a wide range of custom storage tanks as well as a variety of standard model above-and-below ground tanks with capacities ranging from Imperial Gallons to 34, Imperial Gallons. This joint can be.

Now in its revised and updated Second Edition, this volume is the most comprehensive and authoritative text in the rapidly evolving field of environmental toxicology.

InspectAPedia tolerates no conflicts of interest. We have no relationship with advertisers, products, or services discussed at this website. This document assists building buyers, owners or inspectors who need to identify asbestos materials or probable-asbestos in buildings by simple visual inspection. We provide photographs of asbestos containing materials and descriptive text of asbestos insulation and other asbestos-containing products to permit identification of definite, probable, or possible asbestos materials in buildings. Asbestos is safe and legal to remain in homes or public buildings as long as the asbestos materials are in good condition and the asbestos can not be released into the air.


Fiberglass refers to a group of products made from individual glass fibers combined into a variety of forms. Glass fibers can be divided into two major groups according to their geometry: continuous fibers used in yarns and textiles, and the discontinuous short fibers used as batts, blankets, or boards for insulation and filtration. Fiberglass can be formed into yarn much like wool or cotton, and woven into fabric which is sometimes used for draperies. Fiberglass textiles are commonly used as a reinforcement material for molded and laminated plastics. Fiberglass wool, a thick, fluffy material made from discontinuous fibers, is used for thermal insulation and sound absorption. It is commonly found in ship and submarine bulkheads and hulls; automobile engine compartments and body panel liners; in furnaces and air conditioning units; acoustical wall and ceiling panels; and architectural partitions. Fiberglass can be tailored for specific applications such as Type E electrical , used as electrical insulation tape, textiles and reinforcement; Type C chemical , which has superior acid resistance, and Type T, for thermal insulation.

В подобной ситуации надо известить только одного человека - старшего администратора систем безопасности АНБ, одышливого, весящего четыреста фунтов компьютерного гуру, придумавшего систему фильтров Сквозь строй. В АНБ он получил кличку Джабба и приобрел репутацию полубога. Он бродил по коридорам шифровалки, тушил бесконечные виртуальные пожары и проклинал слабоумие нерадивых невежд. Чатрукьян знал: как только Джабба узнает, что Стратмор обошел фильтры, разразится скандал.

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  1. Voramar

    Full bad taste