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  • Difference between expanded perlite, vitrified microbeads and closed-cell perlite

    1. Differences in concepts: In terms of broad terms explained in terms of terms: expanded perlite> closed-cell perlite> vitrified microspheres, in theory, all perlite ore is called expanded perlite after high temperature expansion. In expanded perlite, the surface is closed and the hollow inside is also called closed-cell perlite; in closed-cell perlite, the size of expanded perlite is 30-50
    Release time: 2019-08-31 Clicks: 38

  • Perlite's position in the energy saving and environmental protection industry

    With the continuous improvement of domestic residents' living standards, people's requirements for living environment are getting better and better, and the awareness of environmental protection is getting better. With the continuous improvement of the living environment of buildings, the energy consumption of buildings in our country has also increased significantly, and energy saving in buildings is imminent. We clearly know
    Release time: 2019-08-03 Clicks: 70

  • Expanded perlite due to a wide range of raw materials

    Expanded perlite has a wide range of raw materials, simple production facilities, and harmless to the human body. It is believed that it can be used as the main material in the future. Organic thermal insulation materials Organic thermal insulation materials are mainly polyurethane foam, polystyrene board, phenolic foam, etc. & n
    Release time: 2019-07-20 Clicks: 78

  • Comparison of expanded perlite with other Class A noncombustible materials

    ▲ Glass wool: Glass wool belongs to a category of glass fiber and is an artificial inorganic fiber. Expanded perlite glass wool is a kind of cotton-like material that melts molten glass into perlite to form a cotton-like material. Its chemical composition belongs to glass and is an inorganic fiber. Expert Comments: This type of product achieved a production capacity of 550,000 tons in 2010, mainly used in steel structure workshops and public buildings
    Release time: 2019-05-25 Clicks: 52

  • Analysis on the application and future trend of expanded perlite insulation board

    Perlite insulation board is now a new type of thermal insulation fireproof material. Except for perlite material, many new materials have been applied at present. Let's talk about the application of new building materials. As the load-bearing structure of the building, the quality of the wall directly affects the stability and safety of the building. At present, China's buildings use more walls
    Release time: 2019-03-30 Clicks: 73

  • Product application of expanded perlite:

    Expanded perlite is a kind of white or light-colored high-quality heat insulation made from acid volcanic vitreous lava (perlite) after being crushed, sieved to a certain particle size, and then preheated. Insulation Materials. The inside of the expanded perlite is a honeycomb structure, non-toxic, tasteless, non-corrosive, non-combustible, acid and alkali resistant. Can use different adhesives
    Release time: 2019-01-19 Clicks: 76

  • Perlite filling process for large LNG storage tank

    At present, there are two kinds of perlite construction methods commonly used in industry: manual filling method and expansion filling method at the construction site. Manual filling method: After the expanded perlite powder is produced and packed in the factory, it is transported to the filling construction site, and then the lifting equipment (hoist, crane, etc.) is used to lift the expanded perlite powder to the cold box, storage tank, etc. The top of the cooling equipment, using people
    Release time: 2019-01-05 Clicks: 236

  • After paving the expanded perlite insulation board

    After paving the expanded perlite insulation board, do you know? Let ’s take a look together! After the expansion of the expanded perlite insulation board, depending on the climatic conditions, apply the surface glue in a timely manner after 2-3 days. And should meet the following requirements: 1. The surface coating glue should be constructed in layers. The coating, decorative mortar, and plastering of the curtain wall finish are carried out in two passes.
    Release time: 2018-12-08 Clicks: 97

  • Characteristics and performance of hydrophobic perlite insulation board

    Water-repellent expanded perlite insulation board (also known as FSG waterproof insulation board) is made by using hydrophobic-expanded perlite bulk material as aggregate, adding waterproofing agent and binder for preparation, screening, pressure forming, drying and other processes Insulated waterproof waterproof insulation board. FSG water-repellent insulation board effectively solves the technical problems of all kinds of building roof insulation, heat insulation and waterproof functions, which saves a lot of
    Release time: 2018-11-24 Hits: 93

  • Vigorously promote the technological development of fire-resistant insulation materials

    Rock wool, also known as rock wool, is a type of mineral wool. Fluffy short fine fibers made from natural rocks and minerals. It belongs to non-combustible Grade A exterior wall insulation material. Below we will introduce how to do the construction of the rock wool fire insulation tape. The construction of rock wool fire insulation tape must be adhered to the large wall insulation board.
    Release time: 2018-11-02 Clicks: 63

  • Thermal insulation mechanism of expanded perlite

    The most obvious feature of perlite that distinguishes it from other volcanic rocks is that when perlite is rapidly heated to its softening point (800 ~ 1000 ° C), the glassy substance melts, and the internal water vaporizes, and the volume expansion is 10 to 60 times the original. The inside of the expanded perlite is a microporous structure. This unique microporous structure makes the expanded perlite have a lower
    Release time: 2018-08-18 Hits: 88

  • Are both expanded perlite and vitrified beads used in industrial production the same?

    In the industrial thermal insulation production work, one of the materials used is expanded perlite, commonly known as expanded powder. However, with the improvement of the scientific research level of perlite in the era, the product of perlite has also been abundant, and its range of use It also surpassed our expectations. China's construction industry is moving towards energy efficiency
    Release time: 2018-07-07 Clicks: 48

  • Overview and application fields of perlite resources in China

    Expanded perlite is a volcanic acid lava with a pearl fissure structure, mainly composed of acid volcanic glass. The ore contains unequal amounts of quartz, periclase phenocrysts, microcrystals, and there are various forms of crystalline and cryptocrystalline minerals such as amphibole, biotite, and hematite. 1. Overview of China's perlite resources By the end of 2015,
    Release time: 2018-06-09 Clicks: 77

  • Characteristics and application range of perlite insulation board

    Perlite insulation board is lightweight and has excellent thermal insulation properties. Fireproof. Moisture-proof, non-deformation and modification, non-rot, mildew, non-toxic, odorless, water-repellent performance, water-repellent rate of more than 98%, safe and simple construction, natural roofing and wall stickers can use natural ore as a raw material, there are good Environmental protection. Perlite insulation board is widely used in various construction fields.
    Release time: 2018-05-05 Clicks: 70

  • What are the commonly used refractory materials?

    Commonly used ordinary refractory materials are silicon brick, semi-silica brick, clay brick, high alumina brick, perlite, magnesia brick, pearl sand, etc. Special materials often used are AZS brick, corundum brick, directly combined magnesium-chromium brick, carbonization Silicon brick, silicon nitride combined silicon carbide brick, nitride, silicide, sulfide, boride, carbide and other non-oxide refractories; calcium oxide, chromium oxide,
    Release time: 2018-04-28 Clicks: 43

  • Challenges in the process of perlite products

    At present, both domestic and foreign perlite products are basically related to expanded perlite. Now the annual output of expanded perlite has become the most important thermal insulation material in domestic thermal insulation materials. Now expanded perlite has been widely used in Building energy conservation and equipment pipeline insulation, but perlite still faces some external challenges in these areas. & n
    Release time: 2018-01-06 Clicks: 44

  • Hydrophilic mechanism of expanded perlite

    In the low-temperature area (air separation, ethylene, LNG ships, etc.), the cold box is insulated, and the currently widely used insulation material is expanded perlite (commonly known as pearl sand). Perlite is a glassy volcanic lava. After being crushed, classified, and preheated, it instantly expands 10 to 25 times in a high-temperature air stream at about 1250 ° C to become expanded perlite.
    Release time: 2017-11-10 Click times: 83

  • Burning performance rating of insulation materials

    With the release of the new version of the "Code for Fire Protection in Building Design" GB50016-2014, the combustion performance rating of the low-temperature insulation perlite building insulation material market has a new standard. B1, B2 and B3. Class A guarantee
    Release time: 2017-06-23 Click times: 116

  • What is perlite composite insulation board?

    Expanded perlite composite thermal insulation board for building roofing, which is formed by mixing water with magnesium oxide, magnesium chloride, expanded perlite, sawdust and other auxiliary materials such as fly ash, which has good thermal insulation effect, light bulk density and no fear of water , Easy construction, high compressive strength and other advantages, can be widely used in various roof buildings. & nb
    Release time: 2017-06-16 Clicks: 31

  • Challenges in the process of perlite products

    At present, whether it is domestic or foreign expanded perlite products are basically related to expanded perlite. Now the annual output of expanded perlite has become the most important thermal insulation material in domestic thermal insulation materials. Now expanded perlite has been widely used. In the fields of building energy saving and equipment pipe insulation, perlite is still facing
    Release time: 2017-05-12 Clicks: 36

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