Raw Materials for Refractory:Abrasive White Fused Alumina 99.5 with High Content
- Ref Price:
-
- 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 | |||
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: What is the importance of silicon powder in refractory processing?
- in amorphousness it is mainly the mobility
- Q: How long is the fire resistant limit for ultra thin fire retardant coating?
- The fire resistant limit of ultra-thin fire retardant coating is 1.5 hours, generally fire resisting time for thin fire retardant coatings does not exceed 1.5 hours. If the time exceeds 1.5 hours, thick fire resistive coating should be uesd. There is no detailed stipulation for ultra-thin fire retardant coating, and the thickness of the inside is the fire resistance limit shall reach certain time(at least). If fire resistance limit is 2.5 hours, the thickness shall be 4.9mm. If the fire resistance limit is 2 hours, the thickness is 3.5mm. If fire resistance limit is 1.5 hour, the thickness should be 1.75mm.
- Q: In entering fire door, which material does well?
- Cold rolled steel, or after a flame retardant willow eucalyptus wood, filled up with perlite inside! Fireproof heat insulation. Price is between 300-900, depending on what technology it uses! Company's large-area substrate door (paint) is cheap door, in commonly 350. Followed is without lacquer, which has a layer of decorative materials, generally between 380-500. Finally there is high-grade, which price is around $900. 0...
- Q: Which industry does refractory belong to?
- It belongs to decoration industry.
- Q: What are the new refractories? What are the features? How about their application and development?
- In metallurgy, in what position should it be used, in order to make the best. Answers are as following. In iron, steelmaking or converter. When questioning, pay attention to the ways. Answers: Try to use synthetic refractory materials.
- Q: What things and cement mixed can act as refractory?
- This has a lot. I suggest you can check monolithic refractories.
- Q: Does anyone know about the classification standards of B2-level fireproof and thermal insulation materials?
- 1.The insulation materials with A-level combustion performance: EPS Hairong module, rock wool, glass wool, foam glass, ceramic foam, foam cement, closed-cell perlite, etc. 2. The insulation materials with B1-level combustion performance: specially-treated extruded polystyrene boards(XPS)/ specially-treated Polyurethane(PU), Phenolics, Polystyrene rubber powder particles,etc. 3. The insulation materials with B2-level combustion performance: Expanded polystyrene sheets(EPS), Extruded polystyrene boards(XPS), Polyurethane(PU), Polyethylene(PE), etc. See the 2009 measures of building technology. The A-level insulation material is only fireproof, the insulation performance of it is worse than that of organic XPS \\\\ EPS material. Currently I think that the best insulation material should be Hairong EPS module, it not only achieves the requirement of insulation but also fulfills the goal of fireproofing, and the comprehensive unit price of it is not expensive. The insulation materials in the domestic market have their own disadvantages, you'd better take the building demands into consideration, and use the materials that are within the acceptable range.
- 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: Who knows what kind of fire protection material is better?
- Characteristic of polyurethane rigid foam thermal insulation decorative composite board: (1) ultra high cost performance, increased property's selling point (high cost performance) new model of thermal insulation material, excellent thermal insulation properties, elegant decorative effect, 50 years of service life, reduce maintenance costs and social waste. (2) it overcomes defects of traditional insulation technology (to solve the freezing and thawing, veneer cracking and shedding) traditional benzene board, the phenomenon of freezing and thawing that is easily appear in plastic extruded sheet, paint finish is easy to crack; its veneer facing can easily fall off; thermal insulation materials and wall are poorly adhered, easy off the whole. There is a themal bridge in dry hanging wall. (the characteristics of polyurethane composite board)
- Q: How long is the fire endurance of fire resistant rolling shutter door?
- According to the new national standards GB_12955-2008 for fire doors from January 1, 2009, fire doors are classified acoording to thermal insulation fireproof door(A),part heat insulation fireproof door(B) and non thermal insulation fireproof door(C), rather than thermal insulation fireproof door. At the same time, the original fire endurances of class A, B and C fire doors are adjusted to 1.5h, 1.0h and 0.5h respectively. So, GB is 1.5h
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Raw Materials for Refractory:Abrasive White Fused Alumina 99.5 with High Content
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- 1000MT m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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