| Refractoriness (℃): | 1580< Refractoriness< 1770 |
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| Feature: | Long Time Materials |
| Type: | Refractory Material |
| Shape: | Brick |
| Material: | Alumina Block |
| Size: | Customizable |
| Samples: |
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| Customization: |
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Alumina bubble brick using Alumina hollow ball as main raw material, high performance alumina ultrafine powder as additive, organic matter do binder, forming after drying, alumina hollow ball fired at 1750 ºC , this material with low thermal conductivity, heat preservation,high compressive strength, Alumina bubble brick has excellent heat resistance performance and heat insulation performance, which can be directly used as the working lining of high temperature kiln.Mainly used in the hot face refractory lining of pyrolyzer,hot blast furnace ,preheating furnace,tunnel kiln ,pushed slab kiln,crucible furnace ,electric furnace ,etc .
Features Of Alumina bubble brick
Applications Of Alumina bubble brick
Specifications Of Alumina bubble brick
Physical And Chemical Indicators Of Alumina bubble brick
| Brand Properties |
LG-99 | LG-90 | LG-85 | |
| Chemical Analysis (%) |
Al2O3 | ≥99 | ≥90 | ≥85 |
| SiO2 | ≤0.3 | ≤7 | ≤13 | |
| Fe2O3 | ≤0.1 | ≤0.1 | ≤0.2 | |
| Bulk Density (g/cm3) | 1.45~1.60 | 1.45~1.60 | 1.45~1.60 | |
| Cold Crushing Strength (MPa) | ≥15 | ≥15 | ≥20 | |
| Permanent Linear Change (%)@ 1600ºC | ±0.2 | ±0.2 | ±0.3 | |
| Thermal conductivity (W/m.k)@ 800ºC | ≤1.4 | ≤1.4 | ≤1.4 | |
| Maximum Service Temperature(ºC) | ≥1800 | ≥1700 | ≥1600 | |
| Main Applications | Reheating Furnace Blast Furnace Petrochemical Furnace General Industrial Furnace etc. |
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A1 : For each production processing, JUCOS have complete QC system for the chemical composition and Physical properties. After production, all the goods will be tested, and the quality certificate will be shipped along with goods.
Q2 : What is your lead time?
A2 : It usually needs about 15- 20 days after receiving the PO.
Q3 : Do you provide free samples?
A3 : Yes, free samples are available, generlly speaking, the buyer shall bear all the delivery cost.
Q4 : What is your payments terms?
A4 : We can accept 30% deposit, 70% balance to be against the BL copy or by LC, or other payment terms.
Q5 : Can we visit your company?
A5 : Yes, for sure, you are welcome to visit JUCOS company.
Q6 : What standards do you have?
A6 : Our products meet the standards, such as ASTM, ASME, AMS, DIN, JIS etc.
The third party testing is all available for us.
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Audited Supplier 
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