$Raw Materials for Refractory - Abrasive White Fused Alumina 180#-220# WFA for Abrasive System 1$
$Raw Materials for Refractory - Abrasive White Fused Alumina 180#-220# WFA for Abrasive System 2$
$Raw Materials for Refractory - Abrasive White Fused Alumina 180#-220# WFA for Abrasive System 3$

$Raw Materials for Refractory - Abrasive White Fused Alumina 180#-220# WFA for Abrasive$

$Raw Materials for Refractory - Abrasive White Fused Alumina 180#-220# WFA for Abrasive System 1$

$Raw Materials for Refractory - Abrasive White Fused Alumina 180#-220# WFA for Abrasive System 2$

$Raw Materials for Refractory - Abrasive White Fused Alumina 180#-220# WFA for Abrasive System 3$

Raw Materials for Refractory - Abrasive White Fused Alumina 180#-220# WFA for Abrasive

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: 1000MT m.t./month

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Specification of Abrasive White Fused Alumina

Item	Chemical Composition
Item	Al2O3 min	NaO2 max	SiO2 max	Fe2O3 max
12#-60#	99.15	0.26	0.08	0.05
60#-100#	99.15	0.28	0.09	0.06
120#-150#	99.1	0.29	0.10	0.08
180#-220#	99.05	0.31	0.12	0.1
230#-800#	98.5	0.5	0.15	0.1
1000#-1200#	98.1	0.6%	0.18	0.1

Packaging & Shipping

In 1MT jumbo bag or as the buyer request.

We ship the cargo in 20' GP containers,each container loads 25MT/20bags.

Application of white fused alumina

Made of abrasive, suitable for grinding hardened alloy steel, high speed steel. Fine-grained flour is also used for precision casting.

Q: Is fireclay corrosive?: No. All of the refractory materials have stable chemical properties and their usability can be guaranteed under high temperatures.

Q: Which industry does refractory belong to?: It belongs to inorganic refractory: Ceramic refractory bricks (used in steel-making furnaces) There is also organic polymer in heavy industry: Halogen-containing and halogen-free It belongs to construction industry.

Q: whether the fire resistant level of aerated concrete building blocks can reach the grade one?: Aerated concrete building blocks is made by calcareous materials (such as cement, lime) and siliceous material (such as sand, fly ash, slag), adding aluminum powder ingredients as filling agent, by mixing with water, casting molding, gas - expansion, raising the pre-cut, and then the high-pressure steam curing of silicate building blocks. when aerated concrete is at the temperatures below 600 ℃, the compressive strength will be increased slightly, when the temperature is at about 600 ℃, the compressive strength is close to the compressive strength at normal temperature, so the aerated concrete, as building materials, the fire performance can meet the national fireproffing safety standards level.

Q: What is the material composition of the new fire-resistant coating?: The basic composition of thick coating steel structure fire is: Binder (Portland cement, magnesium oxychloride or inorganic high-temperature bonding agent), aggregate (expanded vermiculite, perlite, aluminum silicate fiber, mineral wool, rock wool, etc.), chemical additives (modifiers , hardening agent, waterproofing agent) and water. Fireproof coating binders Portland cement, magnesium oxychloride cement and an inorganic binder of the fire-resistant coating for steel structure base material. The conventional inorganic binder include alkali metal silicates and phosphates substances.

Q: What's the refractory material in common use currently?: According to its category, raw material of basic refractory: Mainly magnesite (magnesia), dolomite, lime, olivine, serpentine, high alumina material (sometimes neutral); main neutral raw material: chromite, graphite, silicon carbide (artificial).

Q: Does anyone know about the classification standards of B2-level fireproof and thermal insulation materials?: The classification standards of B2-level fireproof and thermal insulation materials: 1. the national standard GB8624-97 classifies construction materials combustion performances into several grades, B2-level: combustible building materials: combustible building materials can play a certain role in preventing combustion. It will immediately burst into flames when coming across open fire or at high temperature, and will lead to fire spreading, such as wooden pillars, roof frames and beams as well as stairs. 2.The exterior wall thermal insulation materials can be classified according to fire rating, insulation materials with B2-level combustion performance are: Expanded polystyrene sheets(EPS), Extruded polystyrene board(XPS), Polyurethane(PU), Polyethylene(PE), etc.

Q: The performance of refractory material: The mechanical properties of refractory material include withstand voltage strength. The structure properties of the refractory materials include porosity, bulk density, such as thermal emission rate. The physical properties of the refractory materials include temperature conductivity structure performance, wear resistance, hiphotos, electrical conductivity, creep, the hydration resistance, adhesive strength.

Q: what is the material of fixed first rate fire resistant window?: Fixed first rate fire resistant window is produced by the steel sash windows, steel casement, fireproofing glass. Fireproof windows, is composed by steel window frame, steel casement, fire-proofing glass. it refers to the window which can isolate and stop the fire spreading. The fire window product is named after the main material of window frame and the window casement, window frames is made of steel, casement is made of wood or the sash frame is made of wood and the casement is made of fire window.

Q: Can anyone tell me what is a high alumina refractory?: Refractories refer to a class of inorganic non-metallic materials whose refractoriness are no less than 1580 ℃. Refractoriness is the Celsius temperature when cone-shaped samples can resist high temperature without softening and melting down in the absence of a load. But it is not accurate to define refractory merely by judging that whether the refractoriness is no less than 1580 ℃. Currently, the materials whose physical and chemical properties allow them to be used in high temperature environments are called refractories. Refractory materials are widely used in metallurgy, chemical industry, petroleum, machinery manufacturing, power and so on, among which the metallurgical industry is the largest demander in this regard, accounting for 50% to 60% of total output. Hope it will help you out!