Flint Clay

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Loading Port:
Qingdao
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TT OR LC
Min Order Qty:
-
Supply Capability:
800T m.t./month

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Product Description:

Calcined flint clay has been processed through a series of procedures, such as remove impurities, magnetic-selected to move iron and spraying drying etc. Water-washed kaolin has been used very effectively as functional filler in ceramic and so on.

Calcined flint clay is mainly used for manufacturing high-quality refractory products, refractory castable, sagger, kiln furniture, crucibles, ceramic fiber, precision casting sand, ceramics products, etc.

Features of calcined flint clay:

High refractoriness.

Physicochemical stability.

Volume density high.

Low porosity.

Low water absorption.

Fully calcined.

Low impurity content.

Pure white.

Specifications of calcined flint clay:

Size of particles: 0-1mm, 1-3mm, 3-5mm, 5-8mm, 8-15mm, 0-5mm, 0-50mm.

Size of sand: 8-16, 16-30, 30-60, 30-80, 60-80, 80-120 (mesh).

Size of powder: -200mesh, -270mesh, -325mesh.

Physical and chemical index of calcined flint clay:

Item/GradeYNS45YNS45YNS44YNS44YNS43YNS42YNS40YNS36
ABAB
Al2O3 %46-4845-4844-4844-4843-4842-4640-4636-42
SiO2 %49-5249-5250-5350-5350-5350-5350-5450-55
Fe2O3 % (max)1.01.151.31.52.02.53.03.5
TiO2 % (max)0.80.80.90.91.01.11.21.3
K2O+Na2O % (max)0.30.30.40.40.40.50.50.6
Ca0+Mg0 % (max)0.50.50.50.50.50.60.70.8
Bulk density g/cm3(min)2.582.552.522.502.452.402.372.30
Refractoriness °C(min)17801770176017501740172017101700
Impurities % (max)0.51.52.02.53.03.54.0


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Q:Who knows the roofing fireproofing and waterproof material?
Many waterproof materials are suitable for civil engineering, and almost used in the roof waterproof layer, such as: Paint categories: 911 two-component polyurethane waterproof coating single component polyurethane waterproof coating polymer cement-based waterproof coating JS composite waterproof coating and so on. . Coil categories: single-sided waterproof roll double-sided self-adhesive waterproof roll modified asphalt waterproof roll (SBS, APP) polypropylene, polyester, polymer waterproof roll, PVC waterproof roll, EPDM waterproof roll
Q:how to divided the external wall thermal insulation materials fire rating
Level A: Incombustible building material is a material that does not occur any burning. Level A1: Noncombustible means no open fire. Level A2 It is noncombustible, and should measure smoke to be qualified. 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: inflammable building material has no any flame resisting effects, and is easy to burn, so the fire risk is high.
Q:who knows the requirements of refractory for forge furnace?
Forging heating furnace working temperatures above 1000 ° C, reasonably choosing refractory for build furnace has an important meaning for guaranteeing the normal operation of the heating furnace, improving the service life of furnace and energy saving. refractory is generally required to have the following properities: 1, it should be equipped with the properity of no deformation and melting under certain temperature. 2, it should be equipped with the neccessary structural strength without softening deformation in high temperature. 3, volume stability at high temperature, brick body won't be deformation or cracked due to expansion and contraction; 4, not broken and peel off under rapid changes of temperature or uneven heating; 5, resistant to chemical erosion of molten metal, slag and furnace gas,etc.
Q:The principle of choosing fire-resistant material in Thermal Energy and Power Engineering equipment.
What thermal equipment? The most simple principle is durable, low cost and with no environmental pollution.
Q:How to apply the alumina powder on refractories?
The most common one in use is the refractory bricks.
Q:Is it necessary for the frame of glass fireproof door to be crammed with fire-proof material?
Close the door , and check if the gap is normal, whether the hole and the door leaf are in the same plane, and whether the door leaf has tendency to fall down. Fire resistance steel door——means that use a cold rolled steel sheet as door frame, door plank and framework, and stuff a door leaf with incombustible material. If it is glass fireproof door, then the door frame should be equipped with fire-proof materials. I know a exclusive shop in Beijing dealing with fireproof doors, called Naecame.
Q:What is high alumina refractory?
High alumina refractory: High alumina refractory products, with high refractoriness, compressive strength and refractoriness under load, it is used for masonry of a variety of large-scale blast furnaces such as steel furnace, air heating furnace and electric furnace, and for high-temperature parts of thermal equipment like rotary kilns.
Q:What requirements should refractory materials meet?
The operating temperature of forging furnace is above 1000, which can ensure the normal operation of the furnace, prolong the life of the furnace and save energy. General requirements for refractories are as follows. 1 They should deform at a sufficient temperature without melting. 2, They should have necessary structural strength without softening and deforming. The volume should be stable at high temperature without expansion, contraction or cracking. 4, They can resist erosion of molten metal, slag, gas and other chemicals.
Q:which kind of refractory is used in golden smelting furnace? How about his using temperature
generally the price of the quartz sand refractory material is higher and the temperature can meet the requirement of 2000 degree.
Q:how to use boiler fireclay
Boiler refractory, diluted with water to touch the places where needed, can be used after high temperature baking.

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