Q:what materials can make external wall fireproofing paint have the fireproofing effect

Fire retardant coatings are generally used for fireproofing and fire?retardant of steel structure buildings, large stadiums, railway stations, thermal power station, nuclear power plants, urban tunnels, large-scale industrial plants, warehouses, flammable material surface. Improve the refractory time of buildings and combustible materials.

Q:Where is the distributing center of refractory materials in China?

Refractories industry is one of the pillar industry of Gongyi City, the city's existing more than 300 refractory enterprises, the annual output value of 10 billion yuan, accounting for three of the city's GDPA share of the domestic market share of about 30% of refractories. Production of stereotypes, not stereotypes of two kinds of aluminum, magnesium, silicon and carbon four series of more than 1000 varieties of products, covering the whole country, and exported to Europe and other regions, is one of the Chinese refractory base. Yongan Road Subdistrict Office area is the center of the hinterland of refractories industry, Yongan is the theme of economic development, Chinese, Gongyi refractory chemical professional market, location, close to the aisle 310, Henan Provincial Highway S31, Yongan road and the construction of the Gong Teng speed transportation is very convenient.There is a good space for development and a relaxed business environment. Very conducive to customer management and development, is conducive to the full enjoyment of preferential policies in Gongyi, backed by trees good shade, head blue sky good development.

Q:Selection of refractory materials?

Basic refractories in Magnesium Oxide and calcium oxide as the main ingredient, commonly used is brick. Magnesium Oxide 80% to more than 85% containing magnesia brick, has good resistance to alkaline slag and slag, refractory clay brick and brick high ratio. Mainly used in open hearth furnace, oxygen converter, electric furnace, non-ferrous metal smelting equipment and high temperature equipment.

Q:Does anyone know what is a lightweight refractory material?

The volume shrinkage is larger, and the corrosion resistance is higher at high temperature. A lightweight refractory material, used as thermal insulation material in industrial furnace and other thermal equipment, has poor wear resistance, weak mechanical strength and small volume density. Compared with ordinary refractory bricks, the lightweight refractory with low thermal conductivity has higher porosity.

Q:how to divided the external wall thermal insulation materials fire rating

Level A: Incombustible building material: It is a kind of material that almost does not occur burning. Level B1: Nonflammable building material: Non-flame material has good flame resistance. It is difficult to fire under the condition of open fire in the air or high temperature, and it is not easy to quickly spread, and when the combustion?source is removed, the combustion will stop immediately. Level B2: Combustible?building?materials: Flame material has a good flame resistance. In case of fire in the air or at high temperature, it will immediately burst into flames, and easily lead to the spread of fire, such as wooden column, timber roof truss, timber beam and wooden stairs. Level B3: Combustible?building?materials: It has no any flame resisting effects, and is easy to burn, so the fire risk is high.

Q:How to deiron refractory?

It cannot be done in conventional approaches, because you are referring to refractories. If using acid liquor soaking method to deiron, the material itself will be also damaged! If just for reducing the corrosion of materials, it will be OK to add a corrosion-resistant and fireproof protection layer.

Q:Fire insulation and fireproof insulation board materials What is the difference in performance?

What is the difference between fireproof insulation board and fireproof materials in their performance? Fireproof Materials prevents burning through insulating while others by chemical reactions. The overall heat conductivity coefficient of Insulation materials are generally lowered by thermal conductivity of the material itself and the structure of the material. Inorganic active insulation material uses ordinary cement, insulation stone, calcium powder, platycodon grandiflorum as the main raw material, produced after numerous tests with advanced production technology and chemical technology. Products features fire retardant,anti-aging properties and stable performance, low deformation coefficient, environmentaly friendly, compatible with the wall base layer and plastering layer. It has good security and stability and is as durable as ordinary buildings. Strong fire resistance: Fire insulation board is made of inorganic materials (cement), fireproofing level reaching to A1. As it does not burn, it is fireproof.

Q:Which basic refractory is better?

Zhengzhou Xindeyuan Refractories Co., Ltd.and Zhengzhou Rongsheng Kiln Refractories cO.,Ltd. Their basic refractories mainly refer to refractories with magnesium oxide and calcium oxide as main components what can resist errosion of basic slag, including magnesia bricks, magnesia-alumina bricks, magnesia-chrome bricks, dolomite?bricka and so on(magnesia bricks), among which magnesia bricks is the most common. Magnesia brick containing more than 80% to 85% magnesium oxide, has good resistance to basic slag and iron slag, and higher refractoriness than clay and silica brick. It is mainly used for open-hearth?furnace, oxygen-blown converter, electric furnace, ferrous metal smelting equipment and other high temperature equipments.

Q:What is the requirement of refractory concrete for raw materials? What is the main principle of commercial mixing station?

There are many kinds of raw materials used, three, two aluminum oxide is one of the most commonly used raw materials, as well as alumina, hollow ball, Magnesium Oxide, zircon, etc., or the specific design temperature and the use of parts.

Q:How many external wall thermal insulation fireproof material are there

Class A exterior wall insulation: Rock wool, glass wool, silicate, aluminum silicate, calcium silicate, phenolic foam, foam glass